A Meridian company - serving San Francisco, CA
Meridian Windows and Doors San Francisco windows & doors team

Impact Window Installation Cost - Free In-Home Measure, Written Price

Free in-home measure and an exact written price before anything is ordered. Energy-rated units, professional installation by our own crews, and a workmanship warranty on the install.

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New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors San Francisco pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.

1

Choose your installer

The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.

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2

Select the right products

Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.

Compare the lines →

3

Prepare your home for install

Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.

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Compare the Lines We Quote

Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.

PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
  • More impact certifications than any other line we quote
  • WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
  • 99% on-time delivery keeps your install date on the calendar
See it quoted on your openings →
CGIThe heavyweight impact line$$$$$
  • Large-missile impact ratings for the strictest wind zones
  • Architectural-grade aluminum with commercial-depth frames
  • The line we quote when protection is the whole point
See it quoted on your openings →
CWSThe value pick$$
  • Vinyl systems built to strict wind codes
  • Strong energy packages at the friendliest price point
  • The smart start for whole-home replacements on a budget
See it quoted on your openings →
ESWSlim lines, big glass$$$$
  • Narrow-sightline aluminum for modern elevations
  • Oversized openings and floor-to-ceiling glass
  • Impact-rated without the bunker look
See it quoted on your openings →
ECOThe aluminum impact workhorse$$$
  • Factory-built aluminum impact systems
  • A strong price-to-protection ratio for coastal homes
  • Proven inventory lines with short lead times
See it quoted on your openings →

How Much Does Impact Window Installation Cost in San Francisco?

Impact window installation in San Francisco typically costs $95 to $145 per square foot, with most whole-home projects landing between $18,000 and $42,000 before any rebates or incentives. A single standard-size impact window (36″ x 48″) runs $1,450 to $2,800 installed, depending on frame material and glass package. For a typical 1,800-square-foot San Francisco home with 12 to 15 windows, expect a total project cost of $26,000 to $38,000 for mid-range products from PGT or CGI.

These numbers reflect what we see on actual bids across the city in 2026, from the Sunset to Bernal Heights. Not every job fits a square-foot formula, but the table below gives you a straight answer before anyone walks your property.

Key Takeaways

  • San Francisco impact window installation averages $95 – $145/sq ft installed, labor included.
  • Single window replacement: $1,450 – $2,800.
  • Whole-home retrofit (12 – 15 windows): $26,000 – $38,000.
  • Aluminum frames run 15 – 25% less than vinyl or thermally broken aluminum in most San Francisco specs.
  • PGT WinGuard and CGI Sentinel are the two lines we quote most often for SF single-family homes.
  • San Francisco’s local energy codes and coastal wind exposure affect product choice and, by extension, price.
  • Meridian Windows & Doors San Francisco gives a written price before work starts. Call (831) 273-7126 for a free estimate.

Impact Window Installation Cost Breakdown (2026)

Impact windows are not one product with one price. The line items below are what determine the final number on your written estimate. We break it out this way because a written price means you see exactly where the money goes.

Line Item Typical Range (San Francisco, 2026)
Standard impact window (36″ x 48″, aluminum frame, single-hung) $1,450 – $2,100 installed
Mid-range impact window (PGT WinGuard, vinyl or aluminum, low-E) $2,100 – $2,800 installed
Premium impact window (CGI Sentinel or ES Windows, thermally broken) $2,800 – $4,200 installed
Patio door impact slider (6 ft, standard finish) $4,800 – $8,500 installed
French door with impact glass (pair, inswing) $6,500 – $11,000 installed
Full tear-out and replacement (per opening, includes framing repair) $350 – $750 additional per opening
Permit fees (city of San Francisco, residential window replacement) $450 – $1,400 per project
Stucco repair and trim work (common in Sunset, Richmond, Excelsior homes) $40 – $90 per linear foot
Interior sill and casing replacement (per window) $180 – $400
Debris removal and disposal (full job) $350 – $700

What moves the number up or down: window count and size, frame material, glass package (clear vs. low-E vs. tinted), the condition of existing framing, and whether the job is a full tear-out or an insert replacement. Homes in the Outer Richmond with heavy fog exposure often spec low-E glass with a higher visible light transmittance, which adds $30 to $55 per window but keeps interiors from feeling like a cave in July.

If your project involves a historic district, the picture changes. Homes in areas like Liberty Hill or the Alamo Square Historic District may require custom millwork and specific muntin patterns per San Francisco Planning Department review. That review itself adds time and typically $500 to $1,200 in architectural and planning costs before the first window is even ordered.

What Affects Impact Window Installation Pricing in San Francisco

  • Frame material and thermal performance. Standard aluminum runs less than thermally broken aluminum or vinyl. San Francisco’s Title 24 energy code pushes many projects toward thermally improved frames, which adds $250 to $500 per window but gets the home to compliance without additional tradeoffs.
  • Glass package: clear, low-E, or tinted. Low-E glass (a thin coating that reflects heat while letting light through) is standard on most of our San Francisco quotes. Tinted or laminated glass with acoustic interlayers for homes near the 1, 101, or Muni lines adds $140 to $320 per window.
  • Window size and orientation. Large picture windows in Mid-Century homes in Diamond Heights or Miraloma Park require thicker impact glass to meet design pressure ratings. A 48″ x 96″ picture window can hit $5,000 installed before trim work.
  • Existing framing conditions. Wood rot around sills and jambs in older Richmond and Sunset homes is common. Rot repair runs $120 to $300 per window opening, but it has to be done right or the new window will not seat properly.
  • Access and height. Second- and third-story windows require scaffolding or lift equipment, which adds $800 to $2,500 to a multi-story San Francisco project. Narrow setbacks in neighborhoods like Noe Valley or Glen Park also add labor hours.
  • Product line selection. We carry eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. PGT WinGuard and CGI Sentinel are the two we quote most often in San Francisco because they hit the balance of wind-load ratings, price, and lead time. ES Windows and ECO Window Systems come in on the premium end for thermally broken aluminum.
  • Permit and inspection requirements. San Francisco requires a building permit for window replacement when the opening size changes or when the exterior wall is altered. Straight insert replacements into existing openings may not require a permit, but we pull one whenever the scope calls for it. Expect permit fees of $450 to $1,400 depending on the project.

How to Save on Impact Window Installation

You do not save money by buying the cheapest window. You save money by getting the right window for each opening, installed correctly, the first time. Here is where San Francisco homeowners find legitimate savings without cutting corners:

  • Use insert replacements where the opening is sound. If the existing frame is square and the flashing is intact, an insert replacement saves $350 to $750 per window compared to a full tear-out. We will tell you which openings qualify after inspecting the home.
  • Group the full home into one project. Replacing all windows in one phase reduces per-window labor cost. Mobilization, permitting, and disposal get spread across more openings, typically saving 8 to 15 percent versus doing the job in phases over two or three years.
  • Choose standard sizes where possible. Custom-sized impact windows carry a 15 to 30 percent premium over standard manufactured sizes. Some San Francisco openings are non-standard by nature, but we will flag any window that can be ordered stock without changing the architecture.
  • Ask about utility and manufacturer rebates. PG&E and BayREN run energy-efficiency rebate programs that apply to qualifying low-E impact windows. Manufacturer rebates from PGT and CGI also cycle throughout the year. We handle the paperwork on our end and the rebate comes off your total.
  • Get the written price before you commit. A written price that does not move at the door is not a marketing line at Meridian. It is how every job runs. Call (831) 273-7126 and we will walk the property, spec the right product from our eight lines, and hand you a written estimate. That estimate is free and it is yours to keep.

Full Project Examples: What San Francisco Homeowners Actually Pay

Square-foot averages help, but real numbers from real project types give a clearer picture. Here are three common scenarios we price in San Francisco:

Sunset District Stucco Home, 1950s, 10 Windows

Vinyl retrofits with impact glass, low-E coating, and new interior trim. Full tear-out required on three openings due to sill rot. Total project cost: $21,000 to $27,500. The fog belt drives a higher-grade low-E spec here to keep rooms bright without heat gain.

Bernal Heights Edwardian, 15 Windows, 2 Exterior Doors

Thermally broken aluminum impact windows with divided lites to match the original architecture. Two impact French doors at the rear. Total project cost: $38,000 to $52,000. The historic character adds custom muntins and matching hardware, which accounts for roughly $4,500 of the total.

Glen Park Craftsman, 8 Windows, 1 Patio Door

PGT WinGuard single-hungs in aluminum, plus a 6-foot impact slider. Insert replacement on six openings, full tear-out on two. Total project cost: $17,500 to $22,000. Standard sizes on most openings kept the number lean without changing the look of the house.

These are not estimates pulled from a national database. They are the price ranges we write on San Francisco proposals in 2026. Your home will have its own number, and you will see it on paper before any work starts.

Impact Windows vs. Standard Windows: The San Francisco Price Comparison

If you are replacing windows anyway, the natural question is how much more impact glass costs compared to standard tempered or annealed glass. In San Francisco, impact windows run 28 to 40 percent more than equivalent non-impact windows. That means a $1,600 standard replacement becomes $2,100 to $2,300 in impact glass, same size, same frame, same installer.

Whether that premium is worth it depends on your priorities. San Francisco does not sit in a hurricane zone like Miami, but impact glass does more than stop wind-borne debris. It holds together under impact and reduces noise transmission, adds a layer of security against break-ins, and many insurers extend premium credits for impact-rated glazing in California. For homes on the west side of the city where ocean wind gusts are real, impact windows also carry a higher design pressure rating, which matters as the building envelope ages.

We tell homeowners to run the math on their own homeowners policy. The premium credit may cover a chunk of the difference over five to seven years, especially for homes with large glass areas facing the Pacific.

E-E-A-T and Pricing Authority

This page was written from our project data in San Francisco from January through December of 2025, with 2026 pricing updated quarterly. We install and replace windows, impact windows, and patio doors across the city, and the numbers here come from written proposals we have put in front of homeowners, not from a national cost estimator.

Elliot Vance runs Meridian Windows & Doors San Francisco. He sets the pricing structure, specs the product lines, and reviews every written quote before it leaves the office. The Garrison Standard, which governs how we run job sites, has been in place since 2009.

FAQs – Impact Window Installation Cost

How much does a single impact window cost installed in San Francisco?

A single standard-size impact window costs $1,450 to $2,800 installed in San Francisco, including labor, trim work, and disposal. Larger openings or premium lines like ES Windows push the per-window number past $4,000. Call (831) 273-7126 and we will give you a written price for your exact openings.

Is it cheaper to repair or replace an impact window?

If the glass laminate is cracked but the frame is intact, a sash replacement or glass replacement runs $600 to $1,100 per window, which is cheaper than full replacement. If the frame is warped, the seal has failed, or the window no longer meets code, full replacement at $1,450 to $2,800 per window is the honest answer. A technician at Meridian will tell you which applies after inspecting the window, not before.

How much does whole-home impact window installation cost in San Francisco?

Whole-home impact window installation in San Francisco runs $18,000 to $42,000 for most homes with 10 to 15 windows. Larger homes, historic properties, and multi-story projects with access complications land higher. The free estimate we provide gives you the exact number for your floorplan.

Can you install impact windows the same day?

Most single-window insert replacements are installed in one visit, typically 2 to 4 hours. A whole-home project takes 2 to 5 days depending on window count, tear-outs, and weather. When you call (831) 273-7126, a live person answers and schedules the first inspection, day or night.

Do impact windows increase home value in San Francisco?

Impact windows add resale value in San Francisco through energy savings, security, and insurance premium credits, but the return is not dollar-for-dollar. We tell homeowners to expect 60 to 75 percent of the project cost to translate to resale value in the current market. The bigger return is lived-in: lower utility bills, quieter interiors, and a window that does not buckle in a Pacific wind event.

What is the cheapest impact window brand that is still good?

PGT WinGuard is the entry point we recommend. It starts around $1,450 per window installed in San Francisco and carries the same structural rating as lines that cost 40 percent more. The cheapest option that holds up is not the same as the cheapest option, period. We carry eight manufacturer lines so we can spec the right window at the right price without pushing a single brand.

How Meridian Windows & Doors San Francisco Prices a Job

A meridian is a fixed line you measure everything against. That is what the name means and how we run every install.

Every project starts with an on-site inspection. Elliot Vance or one of our background-checked, uniformed technicians walks the home, opens each window, checks the framing, and takes measurements. Then we spec the right product from our eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. No brand gets pushed because it happens to be in stock.

Then the price goes on paper. Written down. Before a single screw turns. That number does not move at the door.

Every installation carries the 365-Day Done Right Promise in writing: if the work is not done right, we make it right. If a repair or installation fails within the guarantee period, the crew returns at no charge. No fine print about labor exclusions. No chasing a warranty department.

Phones are answered by a live person, 24 hours a day, seven days a week. No voicemail loops, no next-business-day callbacks. If you call (831) 273-7126 at 2 a.m. with a question, a person picks up.

San Francisco-Specific Considerations Other Pages Do Not Mention

San Francisco is not one flat market. Three local factors affect impact window pricing more than most national guides acknowledge.

Coastal fog and corrosion. Homes in the Sunset, Richmond, Forest Hill, and any neighborhood west of Twin Peaks get persistent marine air. Standard aluminum frames show pitting within a decade. We spec powder-coated or anodized frames with marine-grade finishes for these homes, which adds $60 to $110 per window but doubles the frame’s serviceable life.

Soft-story retrofits and window replacement. San Francisco’s soft-story ordinance applies to buildings with large garage openings at the ground floor. If your home falls under the ordinance and you are doing a larger remodel, window replacement may be sequenced with structural work. We coordinate with the structural engineer and the city inspector so the window permit and the retrofit permit do not conflict. That coordination saves 2 to 4 weeks on average.

Design pressure ratings for west-facing elevations. A window on the ocean-facing side of a home in the Outer Sunset carries a higher wind-load requirement than the same window on the sheltered east side. We spec different products for different elevations on the same house when needed. That is the kind of detail that shows up on a Meridian written quote and gets missed by a one-price-per-window bid.

Why the Cheap Bid Costs More in San Francisco

We have replaced windows that were installed less than five years ago by a low-bid crew. The common failure points: wrong flashing detail on stucco, no sealant backer rod, and glass packages that did not meet design pressure for the elevation. The rework cost more than the original install.

San Francisco stucco is unforgiving. Once water gets behind the flashing, the damage runs into the sheathing and the framing. A $300-per-window “savings” becomes a $2,500-per-opening teardown three years later.

The Garrison Standard is not a slogan. It is a written code that every technician on our crew follows: the opening gets flashed properly, the sealant goes on with a backer rod, the window is shimmed and squared before it is fastened, and the sill caulk is tooled clean. No shortcuts, no exceptions.

When you get a written price from Meridian, you are not just paying for the window. You are paying for the install that does not fail. Covered in writing for 365 days. If it fails, we come back at no charge.

Internal Resources and Next Steps

If you are still researching, start with our home page for an overview of how we operate. For a deeper look at how we approach full window packages in the city, read our Impact Window Installation in San Francisco guide, which covers product selection, wind-load ratings, and what to expect on install day.

Get Your Written Estimate

Call (831) 273-7126 and a live person will answer. We will schedule an inspection, walk the home with you, spec the right impact windows from our eight manufacturer lines, and hand you a written price. That price goes on paper before any work starts, and it does not move at the door. Every job is covered by the 365-Day Done Right Promise in writing.

Pricing reflects the San Francisco market as of 2026. Meridian Windows & Doors San Francisco offers free estimates – call (831) 273-7126.

Written by Elliot Vance, Owner at Meridian Windows & Doors San Francisco, serving San Francisco since 2009.

Why Impact

Six Reasons Homeowners Choose Meridian Windows and Doors San Francisco

Storm Protection

Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.

Energy Savings

Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.

Noise Reduction

Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.

Burglar Resistant

Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.

Year-Round Comfort

Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.

Property Value

A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.

Other Services

Other Meridian Windows and Doors San Francisco Services

Reviews

What Neighbors Say About Meridian Windows and Doors San Francisco

★★★★★

"Installed six replacement windows in a day and a half. Crew was punctual, disciplined, and clean. The owner is a veteran and the standards show."

PPhil R.
★★★★★

"Patio door replacement. Smooth sliding and a tight seal. Old door hauled away."

LLena C.
★★★★★

"Front door and sidelights replaced. Weatherstripped and foamed properly. No more drafts."

BBrett A.
★★★★★

"Straight talk, on time, and clean. Four windows done by early afternoon and the old frames were hauled away."

EEd S.
★★★★

"Good windows. One came with a scratch, so they reordered the sash. It took two weeks but they fixed it free."

OOtis M.
★★★★★

"Quoted fairly with the glass package explained. No hard sell."

GGloria B.
★★★★★

"Crew trimmed the interior neatly and caulked the outside. Looks professional."

JJulia N.
★★★★★

"Noise from the street dropped noticeably with the laminated glass."

HHarvey D.

What Our Customers Say

★★★★★ 4.8 from 9+ reviews

"Installed six replacement windows in a day and a half. Crew was punctual, disciplined, and clean. The owner is a veteran and the standards show."

- Phil R.

"Patio door replacement. Smooth sliding and a tight seal. Old door hauled away."

- Lena C.

"Front door and sidelights replaced. Weatherstripped and foamed properly. No more drafts."

- Brett A.
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