Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Windows & Doors in Coral Gables, FL
Window installation in Coral Gables typically runs $1,200-$3,800 per opening depending on frame material, glazing specification, and whether the rough opening requires modification in coral rock masonry. Most projects require custom-fabricated products because George Merrick-era homes were built with non-standard dimensions and arched or radius-top configurations that do not match modern catalog sizes. Call (786) 321-3319 to schedule your free measured survey; the written quote you receive is the same document our crew uses for installation.
We are Sightline Windows & Doors, independently owned and operated under the Haven Standard since 2012. Every one of the 18,000+ openings we have completed began with a written price and ended with a documented photo record. In Coral Gables, that discipline matters more than usual because the city’s dual approval track - Miami-Dade County NOA compliance plus Historic Preservation Board review - leaves no room for change orders or improvised solutions.
Why Coral Gables Homes Are Different
Coral Gables is one of the only places in the country where every window and door replacement must simultaneously satisfy Miami-Dade County’s NOA impact-glazing mandate and pass review by the city’s Historic Preservation Board. Off-the-shelf impact windows from big-box suppliers routinely fail architectural review, making the ability to source custom or semi-custom impact-rated products with true divided lites, proper muntin profiles, and wood or clad-wood finishes the defining competitive skill in this market.
The dominant housing stock is George Merrick-era Mediterranean Revival homes built between roughly 1922 and 1950, featuring oolite limestone walls, clay barrel-tile roofs, and original wood casement or single-hung windows with decorative iron grilles and arched openings that are almost never standard catalog sizes. These non-rectangular rough openings, combined with extremely hard coral rock masonry that requires special anchoring techniques, add significant custom-fabrication and installation complexity.
Salt-laden air from Biscayne Bay accelerates corrosion of aluminum frames and hardware faster than locations even a few miles inland, making finish selection and proper thermal breaks critical. Contractors here learn quickly that the Coral Gables Building Division and the Historic Preservation Board are two separate approval tracks; a permit pulled from the building department does not constitute historic approval, and jobs have been halted mid-installation for skipping the Board’s Certificate of Appropriateness step.
Our Main Coral Gables Services
These are the two services Coral Gables homeowners call about most, plus the door system that connects indoor and outdoor living in this climate.
Window Replacement in Coral Gables
Most calls we receive from Coral Gables involve replacing original wood casement or single-hung windows that have reached the end of their service life while preserving the Mediterranean Revival character that the Historic Preservation Board enforces. We specify products from PGT, CGI, and other NOA-approved lines with custom muntin profiles and clad-wood or finished aluminum options that satisfy both the hurricane code and the aesthetic review. Window Replacement in Coral Gables is documented with the same measured survey, written scope, and photo record that governs every Sightline job.

Impact Windows & Doors in Coral Gables
The Miami-Dade high-velocity hurricane zone leaves no exceptions for impact-rated products, and Coral Gables adds the Historic Preservation Board’s Certificate of Appropriateness requirement on top. We source impact windows and doors with true divided lites, radius-top configurations, and period-appropriate hardware from verified manufacturer lines that carry both NOA approval and the custom fabrication capability this market demands. Impact Windows & Doors in Coral Gables begins with a measured survey you keep and a written price that does not change.

Sliding & Patio Doors in Coral Gables
Coral Gables homes were designed for indoor-outdoor flow, with many original floor plans centering on courtyard or loggia access through wide opening systems. Modern replacements must maintain that sightline while meeting HVHZ impact requirements and, in historic districts, passing Board review for frame profile and finish. We specify multi-panel sliding systems from CWS and PGT with low-profile tracks and impact-rated laminated glass. Sliding & Patio Doors in Coral Gables are measured to the rough opening, not the existing frame, because coral rock masonry tolerances differ from standard construction.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterWindow Installation in Coral Gables

Window installation in Coral Gables almost always involves custom-fabricated products because the George Merrick-era housing stock was built with rough openings that do not match modern catalog dimensions, particularly the arched and radius-top configurations common in Mediterranean Revival facades. Salt air from Biscayne Bay corrodes standard aluminum hardware within years, so we specify finishes and thermal breaks rated for coastal exposure on every Window Installation we perform here. The dual approval track - Miami-Dade NOA plus Historic Preservation Board Certificate of Appropriateness - means the product selection must be correct before any work starts, because change orders mid-project are not viable when both compliance and aesthetic review are at stake.
Single & Double Hung Windows
Signs you need it
Sashes that no longer stay open without a prop, visible rot in the bottom rail of the lower sash, or single-pane glass that transmits heat and does not meet current energy code.
What it costs in Coral Gables
Single and double hung window installation in Coral Gables typically ranges from $1,200 to $2,800 per opening for vinyl or aluminum units, and $2,400 to $3,800 for clad-wood or custom-finished products that satisfy Historic Preservation Board requirements.
How we do it
We measure the rough opening in coral rock masonry, specify the unit with proper sightline dimensions and muntin profile, pull permits through both the Building Division and Historic Preservation Board, install with masonry anchors rated for oolite limestone, and document with before-and-after photography.
Casement Windows
Signs you need it
Crank mechanisms that have stripped or seized, hinges corroded by salt air, or original wood casements with glazing compound that has dried and fallen away.
What it costs in Coral Gables
Casement window installation in Coral Gables typically ranges from $1,800 to $3,200 for aluminum or vinyl units with impact-rated laminated glass, and $2,800 to $4,500 for clad-wood or custom-finished products with period-appropriate hardware and true divided lites.
How we do it
We verify the hinge placement and swing clearance against the original architectural drawings when available, specify corrosion-resistant hardware with stainless steel fasteners, coordinate the unit’s NOA documentation with the permit application, and install with the frame pre-drilled for coral rock anchoring.
What Window Installation Costs in Coral Gables
| Item | Typical range in Coral Gables |
|---|---|
| Single/Double Hung (vinyl/aluminum) | $1,200 - $2,800 |
| Single/Double Hung (clad-wood/custom finish) | $2,400 - $3,800 |
| Casement (aluminum/vinyl, impact-rated) | $1,800 - $3,200 |
| Casement (clad-wood, custom hardware) | $2,800 - $4,500 |
Do I need Historic Preservation Board approval to replace windows in Coral Gables?
Yes, if your property is in a designated historic district. The Certificate of Appropriateness is required even for like-for-like replacements, and a building permit alone does not satisfy this requirement. Call (786) 321-3319 and we will verify your property’s status during the measured survey.
Why can’t I use standard-size windows in my Coral Gables home?
George Merrick-era homes were built with rough openings sized to the masonry coursing, not to modern catalog dimensions, and many feature arched or radius-top configurations. We measure each opening individually and fabricate to specification; the measured survey you keep documents every dimension. Call (786) 321-3319 for a free estimate.
Door Installation in Coral Gables

Door installation in Coral Gables requires products that satisfy Miami-Dade County’s NOA impact requirements while meeting the Historic Preservation Board’s strict fidelity to 1920s-1940s Mediterranean Revival aesthetics, particularly for front entries visible from the public right-of-way. Salt-laden air from Biscayne Bay corrodes standard hardware and finishes, so we specify coastal-rated materials and document every specification in the written scope that becomes your invoice. Door Installation under the Haven Standard means the person at your door is the person on the record, identified by license number before arrival.
Hurricane-Proof Front & Entry Doors
Signs you need it
Your current entry door lacks impact-rated glazing or a Miami-Dade NOA label, or the frame shows corrosion at the threshold from salt-air exposure.
What it costs in Coral Gables
Hurricane-proof front and entry door installation in Coral Gables typically ranges from $2,800 to $5,500 for fiberglass or steel units with impact-rated glass inserts, and $4,500 to $8,500 for custom wood or clad-wood products with period-appropriate panel profiles and hardware that satisfy Historic Preservation Board review.
How we do it
We measure the rough opening in coral rock masonry, specify the unit with NOA documentation and appropriate panel or lite configuration, submit for both building permit and Certificate of Appropriateness, install with masonry anchors and a composite or bronze threshold rated for salt exposure, and photograph the completed installation.
French & Double Doors
Signs you need it
Original French doors with single-pane glass that does not meet HVHZ requirements, or units that have sagged on their hinges and no longer seal properly against weatherstripping.
What it costs in Coral Gables
French and double door installation in Coral Gables typically ranges from $3,500 to $6,500 for aluminum or vinyl units with impact-rated laminated glass, and $5,500 to $9,500 for clad-wood or custom-finished products with true divided lites and period-appropriate hardware.
How we do it
We verify the structural header capacity for the wider rough opening, specify multi-point locking hardware with stainless steel components, coordinate the unit’s NOA and aesthetic documentation with both approval tracks, and install with precise alignment to maintain the sightline between panels.
What Door Installation Costs in Coral Gables
| Item | Typical range in Coral Gables |
|---|---|
| Hurricane-Proof Front/Entry (fiberglass/steel) | $2,800 - $5,500 |
| Hurricane-Proof Front/Entry (custom wood/clad-wood) | $4,500 - $8,500 |
| French/Double Doors (aluminum/vinyl) | $3,500 - $6,500 |
| French/Double Doors (clad-wood/custom) | $5,500 - $9,500 |
Does my front door replacement need Historic Preservation Board approval?
Yes, if your property is in a designated historic district and the door is visible from the public right-of-way. The Board reviews panel profiles, lite configurations, and hardware finishes for fidelity to the original aesthetic. Call (786) 321-3319 and we will identify your district status and specify accordingly.
Can you match my original wood door’s appearance with impact-rated materials?
Yes, we specify clad-wood and custom-finished fiberglass products from Therma-Tru and other lines that carry both NOA approval and period-appropriate panel profiles. The measured survey includes photographic documentation of your existing door for reference. Call (786) 321-3319 for a free estimate.
Energy-Efficient Windows in Coral Gables

Energy-efficient windows in Coral Gables must perform under conditions that differ from inland Florida: salt air corrodes standard frames, intense solar gain through unshaded southern and western exposures drives cooling loads, and the Historic Preservation Board limits exterior shading modifications that might otherwise reduce heat gain. We specify glazing systems with low U-factors and appropriate SHGC values for each orientation, installed in frames with proper thermal breaks rated for coastal exposure. Energy-Efficient Windows from Sightline include the measured survey, written price, and documented photo record as standard, not as upgrades.
Low-E & Argon Gas Glass
Signs you need it
Rooms with southern or western exposure that stay uncomfortably warm despite air conditioning, or visible ultraviolet damage to interior furnishings near windows.
What it costs in Coral Gables
Low-E and argon gas glass upgrades for window installation in Coral Gables typically add $180 to $350 per opening to the base unit cost, with total installed costs ranging from $1,400 to $3,200 for standard sizes and $2,600 to $4,200 for custom-fabricated units in historic applications.
How we do it
We assess each opening’s orientation and shading context, specify low-E coatings with appropriate solar heat gain coefficients from PGT or CGI lines, verify argon fill retention in the coastal climate, and document the glazing specifications in the written scope.
Insulated Laminated Glass
Signs you need it
Single-pane original windows that transmit noise from adjacent streets, or units where the glass itself is cold to the touch in winter months.
What it costs in Coral Gables
Insulated laminated glass for window installation in Coral Gables typically ranges from $1,600 to $3,400 per opening for standard configurations, and $2,800 to $4,500 for custom sizes with impact-rated interlayers required by the HVHZ code.
How we do it
We specify dual-pane units with laminated outboard lites that satisfy both impact requirements and thermal performance targets, verify the warm-edge spacer system for coastal durability, and install with the same masonry anchoring techniques required for all coral rock openings.
What Energy-Efficient Windows Costs in Coral Gables
| Item | Typical range in Coral Gables |
|---|---|
| Low-E/Argon upgrade (standard size) | $1,400 - $3,200 |
| Low-E/Argon upgrade (custom/historic) | $2,600 - $4,200 |
| Insulated Laminated Glass (standard) | $1,600 - $3,400 |
| Insulated Laminated Glass (custom/impact-rated) | $2,800 - $4,500 |
Will energy-efficient windows lower my cooling bills in Coral Gables?
Yes, particularly for south- and west-facing openings with unshaded exposure. We specify SHGC values by orientation, and the measured survey documents each opening’s solar load. Call (786) 321-3319 for a free estimate with projected performance specifications.
Do energy-efficient windows still meet impact requirements?
Yes, all products we specify carry Miami-Dade NOA approval with the low-E and argon options factory-installed. The energy performance and impact ratings are documented on the same product label. Call (786) 321-3319 to review the specifications.
Impact Garage Doors in Coral Gables

Impact garage doors in Coral Gables face the same dual compliance requirement as other openings: Miami-Dade NOA approval for the high-velocity hurricane zone, plus Historic Preservation Board review when the garage faces a public street in a designated district. The large surface area of a garage door creates significant wind-load exposure, and the track and hardware must be anchored to coral rock or concrete with sufficient embedment depth to resist the design pressures. Impact Garage Doors from Sightline include wind-load engineering documentation, permit coordination, and the Haven Standard photo record.
Hurricane-Rated Garage Doors
Signs you need it
Your current garage door lacks a Miami-Dade NOA label, the panels show corrosion or delamination, or the track hardware is fastened to wood framing without masonry embedment.
What it costs in Coral Gables
Hurricane-rated garage door installation in Coral Gables typically ranges from $2,200 to $4,500 for standard single-car steel or aluminum units with impact-rated panels, and $3,800 to $6,500 for double-car or custom-finished units that satisfy historic district requirements.
How we do it
We verify the wind-load design pressure for the specific Coral Gables location, specify the door and track system with appropriate NOA documentation, anchor the track to concrete or coral rock with embedded fasteners rated for the calculated uplift, and photograph the completed installation including the hardware detail.
Wind-Load Code Compliance
Signs you need it
A permit application that has been rejected for insufficient product documentation, or an existing door installed before the current HVHZ requirements took effect.
What it costs in Coral Gables
Wind-load code compliance verification and garage door replacement in Coral Gables typically ranges from $2,500 to $5,000 when the existing opening and structure require modification, and $3,200 to $6,000 for complete replacement with engineering documentation and permit coordination.
How we do it
We calculate the design pressure based on the door size, building exposure, and Coral Gables wind speed requirements, specify the product with matching NOA documentation, prepare the permit submittal with structural calculations when required, and install with the documented photo record that verifies anchor embedment and track alignment.
What Impact Garage Doors Costs in Coral Gables
| Item | Typical range in Coral Gables |
|---|---|
| Hurricane-Rated (single-car, steel/aluminum) | $2,200 - $4,500 |
| Hurricane-Rated (double-car/custom finish) | $3,800 - $6,500 |
| Wind-Load Compliance (modify existing) | $2,500 - $5,000 |
| Wind-Load Compliance (complete replacement) | $3,200 - $6,000 |
Does my garage door need Historic Preservation Board approval?
Yes, if the garage faces a public street in a designated historic district. The Board reviews panel profile, finish color, and hardware visibility. Call (786) 321-3319 and we will verify your property’s district status and specify accordingly.
Can you reuse my existing garage door opener with a new impact-rated door?
Sometimes, if the opener’s horsepower and rail configuration match the new door’s weight and balance specifications. We verify compatibility during the measured survey and document the determination in writing. Call (786) 321-3319 for a free estimate.
Custom & Geometric Windows in Coral Gables

Custom and geometric windows in Coral Gables are not a specialty service but a routine requirement because the George Merrick-era housing stock was built with arched, radius-top, and other non-rectangular openings that standard catalog products cannot fill. The Historic Preservation Board enforces strict fidelity to these original configurations, meaning that vinyl or aluminum snap-in retrofits are routinely rejected even when they carry NOA approval. We fabricate to the measured rough opening dimensions in coral rock masonry, specifying products from PGT, CGI, and ViewLux with the custom capabilities this market demands. Custom & Geometric Windows from Sightline include the same written price guarantee and documented photo record as every other installation.
Arched & Curved Windows
Signs you need it
An original arched window with rotted sash or failed glazing that cannot be matched by a rectangular replacement unit, or a previous owner’s improper flat-top retrofit that the Historic Preservation Board has flagged.
What it costs in Coral Gables
Arched and curved window installation in Coral Gables typically ranges from $2,800 to $5,500 for aluminum or vinyl units with custom-radius frames and impact-rated glass, and $4,500 to $8,500 for clad-wood or finished-steel products with true divided lites and period-appropriate muntin profiles.
How we do it
We field-measure the radius and springline dimensions with a digital template, fabricate the frame to specification with NOA-approved materials, submit the shop drawings for both building permit and Certificate of Appropriateness, and install with masonry anchors positioned to avoid coral rock fracturing.
Oversized Openings
Signs you need it
Original multi-lite openings that have been partially infilled or divided with mullions that do not match the historic pattern, or single-pane units in openings too large for standard impact-rated products.
What it costs in Coral Gables
Oversized opening window installation in Coral Gables typically ranges from $3,500 to $6,500 for engineered aluminum or steel units with reinforced frames and laminated glass, and $5,500 to $10,000 for custom wood or composite systems with structural mullions and period-appropriate sightlines.
How we do it
We verify the structural header capacity for the span, engineer the frame with reinforcement as required by the NOA, specify glazing with appropriate thickness and interlayer for the size, coordinate the lifting and placement with the documented photo record, and seal with coastal-rated sealants.
What Custom & Geometric Windows Costs in Coral Gables
| Item | Typical range in Coral Gables |
|---|---|
| Arched/Curved (aluminum/vinyl, impact-rated) | $2,800 - $5,500 |
| Arched/Curved (clad-wood, custom profile) | $4,500 - $8,500 |
| Oversized Openings (engineered aluminum/steel) | $3,500 - $6,500 |
| Oversized Openings (custom wood/composite) | $5,500 - $10,000 |
How long does custom window fabrication take for Coral Gables?
Typically 8-14 weeks from measured survey to delivery, depending on the complexity of the radius or custom mullion configuration and the current manufacturer backlog. We submit for permits concurrently with fabrication to avoid delays. Call (786) 321-3319 to schedule your measured survey and receive a written timeline.
Will the Historic Preservation Board approve modern materials for my arched windows?
Yes, if the sightline, muntin profile, and finish match the original aesthetic. We have specified clad-wood and finished aluminum products from PGT and ViewLux that received Certificates of Appropriateness. The measured survey includes photographic documentation of your existing windows for reference. Call (786) 321-3319 for a free estimate.
Brands We Service in Coral Gables

We install and service eight manufacturer lines in Coral Gables: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For this market we most often specify PGT and CGI for impact-rated aluminum and vinyl systems with custom fabrication capability, and ViewLux for geometric and oversized openings requiring engineering review. We stock common hardware and weatherstripping components locally, with most special-order parts arriving within 5-7 business days. See our brands for full specifications by performance tier and price range.
Pricing for Windows & Doors in Coral Gables, FL
| Service | Typical range in Coral Gables |
|---|---|
| Single/Double Hung Window (vinyl/aluminum) | $1,200 - $2,800 |
| Single/Double Hung Window (clad-wood/custom) | $2,400 - $3,800 |
| Casement Window (aluminum/vinyl, impact) | $1,800 - $3,200 |
| Casement Window (clad-wood, custom) | $2,800 - $4,500 |
| Hurricane-Proof Entry Door (fiberglass/steel) | $2,800 - $5,500 |
| Hurricane-Proof Entry Door (custom wood) | $4,500 - $8,500 |
| French/Double Doors (aluminum/vinyl) | $3,500 - $6,500 |
| French/Double Doors (clad-wood/custom) | $5,500 - $9,500 |
| Low-E/Argon Energy-Efficient Window | $1,400 - $4,200 |
| Insulated Laminated Glass Window | $1,600 - $4,500 |
| Impact Garage Door (single-car) | $2,200 - $4,500 |
| Impact Garage Door (double-car/custom) | $3,800 - $6,500 |
Prices in Coral Gables trend toward the upper end of these ranges when the rough opening requires modification in coral rock masonry, when Historic Preservation Board review necessitates custom profiles or finishes, or when the location’s wind-load design pressure exceeds the standard product rating. The written quote you receive before any work starts is the same document our crew uses for installation; Haven Clause 1 means no change orders, no surprises.
Neighborhoods We Serve in Coral Gables

We perform window and door installation throughout Coral Gables, from the original George Merrick planned sections to later developments, with the same measured survey and written price guarantee. Crews are dispatched from our Miami office and typically arrive within the scheduled window.
- Coral Gables Historic District (Merrick Manor, Country Club Prado)
- Cocoplum
- Gables Estates
- Gables by the Sea
- Granada
Service Area - Cities Near Coral Gables
Our crews serve the full Miami-Dade County high-velocity hurricane zone from our South Florida office, with window and door installation available in Pinecrest, Palmetto Bay, Key Biscayne, South Miami, and Coconut Grove. Each municipality has its own permit requirements and, in some cases, historic review procedures; we coordinate the approvals as part of every job.
Serving Coral Gables, FL - Our Local Coverage Area

We’re based in the Coral Gables area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Windows & Doors in Coral Gables
The Coral Gables Historic Preservation Board maintains a map of designated districts on the city website; we also verify your status during the initial measured survey. If you are in a district, the Certificate of Appropriateness is required before any window or door replacement begins, even for like-for-like materials. Call (786) 321-3319 and we will handle both permit tracks.
Yes, permit coordination is included on every Sightline job. In Coral Gables this means simultaneous submittal to the Building Division for Miami-Dade NOA compliance and to the Historic Preservation Board for aesthetic review when required. The written scope documents every permit number and approval date.
A uniformed, background-checked technician identified by license number will arrive at the scheduled time, photograph and measure each opening including rough opening dimensions in coral rock masonry, document existing conditions, and leave you with a written survey and a line-item quote that cannot change. The survey and quote are the same document; Haven Clause 1.
Call (786) 321-3319 to schedule your free measured survey. The written price you receive before any work starts is the same document our crew uses for installation, and every completed job leaves a documented photo record under the 365-Day Done Right Promise.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Coral Gables Customers Say
"Replaced eight windows. They showed me the U-factor on the units they were actually fitting rather than the brochure numbers."
- Kofi B."Patio door had dropped and would not lock. They adjusted it rather than selling me a new one, and charged accordingly."
- Simone T."The road noise in the front bedroom is genuinely gone. They recommended the laminated glass and explained why, with figures."
- Delia F.










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