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

How Much Does New Window Installation Cost in San Francisco?

New window installation in San Francisco typically costs between $650 and $1,450 per window for a standard double-hung vinyl unit with professional labor included. Most homeowners replacing all the windows in a 1,500-square-foot home spend between $9,000 and $24,000 total, depending on window count, frame material, and whether the existing frames need repair. Projects involving premium materials like fiberglass or wood, or homes in historic districts like Pacific Heights or the Castro with preservation requirements, can push costs above $2,000 per window.

These figures reflect what we charge and what we see from other licensed contractors across the city. The single biggest variable is rarely the window itself, it’s what the installer finds when the old unit comes out. San Francisco’s housing stock skews old. Roughly 60% of homes here were built before 1945, and many still have original single-pane sashes with dry rot hiding in the rough opening. You’re not paying for the window so much as you’re paying for the person who knows how to handle what’s behind it.

New Window Installation Cost Breakdown (2026)

Here’s what you can expect to pay in San Francisco this year, broken down by window type and material. These ranges include the window unit itself, standard installation labor, basic weatherproofing, and haul-away of the old window.

If you’re replacing a full house of windows, a typical 8-to-12-window job in a San Francisco single-family home lands between $7,000 and $16,000 for mid-range vinyl. The same job with fiberglass or clad wood runs $13,000 to $28,000. Larger projects in neighborhoods like St. Francis Wood or Sea Cliff, where windows tend to be oversized and architectural detail matters, regularly exceed $30,000.

These numbers assume the rough opening is in usable condition. If the framing around the window has water damage or termite exposure (both common within a few blocks of Ocean Beach and the Presidio due to fog and salt air), expect $150 to $500 per opening in additional repair work before the new window goes in.

Labor vs. Materials: Where the Money Goes

On a typical vinyl window job in San Francisco, the window unit itself accounts for roughly 45% to 55% of the total price. The rest is labor, weatherproofing, flashing, trim work, and disposal. San Francisco labor rates for window installation run higher than the national average, typically $75 to $140 per hour per crew member, because of the city’s permitting requirements, parking logistics, and the complexity of older structures.

One thing we tell every homeowner: the cheapest bid on a San Francisco window job is rarely the cheapest final bill. When a crew is under-pricing the labor, they’re usually under-pricing the prep work too. A window installed without proper flashing will leak. The repair costs more than the installation ever did. Get a written price, and make sure that price includes flashing, insulation around the rough opening, interior trim, and disposal. If it doesn’t say those things on paper, they aren’t included. At Meridian Windows and Doors, the price goes on paper before any work starts, and it does not move at the door.

What Affects New Window Installation Pricing in San Francisco

• Frame material. Vinyl is the most economical. Fiberglass costs 40% to 70% more but delivers better thermal performance. Clad wood doubles the price of vinyl in most cases. The right material depends on your home’s architecture and how long you plan to stay in it.
• Window count and size. A single standard window costs more per unit than a multi-window job because fixed costs (permits, crew mobilization, disposal) get spread across more openings. Oversized windows and custom sizes add 25% to 50% per unit.
• Historic district requirements. Homes within designated historic districts, including large portions of Pacific Heights, the Mission, and Telegraph Hill, often require wood windows or historically accurate replacements. This can double or triple material costs and extends the permitting timeline.
• Condition of existing framing. Rot, water damage, and settling are common in San Francisco’s pre-war housing. Repairs to the rough opening add $150 to $500 per window. Homes in the fog belt (Sunset, Richmond, Ingleside) see more weather-related framing issues than homes on the east side of Twin Peaks.
• Floor level and access. Second- and third-story installations require scaffolding or ladder work. On steep lots, which San Francisco has plenty of, access can be complicated enough to add $50 to $150 per window in labor.
• Glass package. Standard dual-pane low-E glass (a thin coating that reflects heat while letting light through) is included in most mid-range pricing. Upgrading to triple-pane, impact-rated glass like PGT WinGuard or CGI products, or acoustic glass for homes near the 101 or BART corridors, adds $150 to $500 per window.
• Permit fees. San Francisco’s Department of Building Inspection charges permit fees for window replacement that varies by project scope. Simple like-for-like replacements on single-family homes often qualify for over-the-counter permits, which are inexpensive. Anything involving structural work, new openings, or historic review requires plan checks and longer timelines.

How to Save on New Window Installation

The most reliable way to control window installation costs isn’t chasing discounts. It’s making decisions before the crew shows up and knowing exactly what’s in your contract.

• Replace in groups, not one at a time. Replacing all windows on one elevation or the entire house in a single project brings the per-window labor cost down meaningfully. Crew mobilization and setup time get spread across more units.
• Avoid moving or enlarging openings. A like-for-like replacement where the new window fits the existing rough opening is significantly cheaper than resizing. Structural headers, new framing, and re-siding around the opening add $1,000 or more per window.
• Choose the right material for the long term. Vinyl is cheapest upfront. But if you plan to stay in the home for 20 years and you’re in a fog-exposed neighborhood like the Sunset, fiberglass or clad wood will need fewer replacements. The cheapest window isn’t the one with the lowest sticker price. It’s the one that doesn’t have to be replaced again in 10 years.
• Ask about the full scope before you sign. A written estimate should include window units, labor, flashing, weatherproofing, interior trim, exterior trim, disposal, and permit fees. If any of those line items is absent, you’ll pay for it later as a change order. At Meridian Windows and Doors, we write every price down before work starts because that’s simply how it should work. Call (831) 273-7126 and we’ll walk you through the numbers with no obligation.

Vinyl vs. Wood vs. Fiberglass: San Francisco-Specific Considerations

San Francisco’s climate is unusual among California cities. We don’t have the extreme heat of the Central Valley or the hard freezes of the Sierra. What we have is fog, salt air, and a 365-day damp season in the western neighborhoods. That changes the window material calculation in ways generic buying guides miss.

Vinyl

Vinyl windows dominate the San Francisco replacement market for good reason. They cost the least, they don’t rot, and modern vinyl frames with foam-filled chambers deliver solid thermal performance. The weakness is frame expansion in direct sun, which can cause seal failures over time. In foggy neighborhoods like the Outer Sunset or Parkside, where direct sun is less consistent, vinyl holds up well. In south-facing exposures on steeper streets like those in Glen Park or Bernal Heights, you’ll want to verify the manufacturer’s warranty covers seal failure under high UV exposure.

For a standard single-hung replacement, vinyl from manufacturers like ECO Window Systems or Mr-Glass runs in the $650 to $950 installed range. Most homeowners choose vinyl when the priority is budget and the home doesn’t fall under historic preservation rules.

Wood and Clad Wood

Wood windows are beautiful, and in San Francisco’s Victorians and Edwardians they’re often the architecturally correct choice. But wood against San Francisco fog doesn’t always end well. Unprotected wood sashes in neighborhoods west of Sutro Tower absorb moisture, swell, and rot. That’s why we rarely recommend solid wood for installation anywhere west of Twin Peaks. Clad wood, which puts an aluminum or vinyl cladding on the exterior while leaving wood exposed inside, gives you the interior look without the exterior maintenance. Clad wood from manufacturers like CWS or ViewLux runs $1,400 to $2,400 per window installed.

If you’re in a historic district and the planning department requires wood windows, you’ll need to budget for that higher cost and understand the maintenance commitment. The Done Right Promise from Meridian Windows and Doors covers installation labor and workmanship for 365 days, but wood windows themselves need regular painting and sealing no matter who puts them in.

Fiberglass

Fiberglass is the quiet workhorse of the San Francisco window market. The frame material expands and contracts at nearly the same rate as the glass itself, which means fewer seal failures over time and better long-term air tightness. It’s strong enough to hold large picture windows without the bulk of wood. We install fiberglass from ES Windows and PGT, and homeowners in fog-heavy neighborhoods like Forest Hill and West Portal consistently choose it when they want to install once and stop thinking about the windows for 30 years.

Fiberglass typically runs $1,100 to $1,800 per window installed. That’s more than vinyl upfront, but the lifecycle math changes when you factor in San Francisco’s specific moisture and temperature swings.

San Francisco Permit Requirements for Window Installation

San Francisco requires permits for most window replacement work. The exact permit type depends on the scope.

A like-for-like replacement, where the new window is the same size and type as the old one and no structural changes occur, usually qualifies for an over-the-counter permit through the Department of Building Inspection. The fee is modest, generally under $300 for a typical single-family home scope, and the permit is often issued the same day.

Anything involving a change in window size, a new opening, or work on a building in a historic district requires plan review. Plan review fees and timelines vary, but homeowners should budget $500 to $1,500 in permitting costs for more complex projects and allow several weeks to several months before work can start. Multi-unit buildings have additional requirements under the city’s energy performance ordinances.

Meridian Windows and Doors handles permit paperwork for every installation. It’s part of the written price. You shouldn’t have to figure out which DBI form applies to your project, and you shouldn’t have to make a follow-up trip to 49 South Van Ness. That’s our job.

How Much Does Window Replacement Cost for a Whole House in San Francisco?

A full-house window replacement in San Francisco, assuming a 10-to-14-window home with standard-size openings, runs between $8,500 and $20,000 for vinyl. Fiberglass whole-house jobs typically land between $13,000 and $28,000. Clad wood for a full house starts around $17,000 and can exceed $35,000 for larger homes with architectural detailing.

The wide range comes down to three things: how many windows the house actually has (San Francisco row houses often have fewer windows than sprawling suburban homes), how complicated the access is (three-story Victorians with steep front stairs cost more to work on), and whether the rough openings are in good shape.

When you call us at (831) 273-7126, we’ll ask about the age of the home, the neighborhood, and the current window condition. Then we’ll schedule a walkthrough, measure the actual openings, and give you a written price for the whole job. No callbacks that dial you into a call center. A live person answers the phone, day or night.

How Does Meridian Windows and Doors Price Window Installation?

We write the price before any work starts, and it doesn’t move at the door. That’s one of the disciplines that comes with being held to The Garrison Standard. Meridian Windows and Doors is the windows-and-doors specialist within the Garrison Partners family, and we’ve operated to that standard since 2009.

A meridian is a fixed line you measure everything against. That’s what the name means and how we run every install. The crew follows The Garrison Code on every job site: show up when we say we will, protect the floors and furniture, keep the job site clean at the end of every day, and don’t leave until the caulk lines are straight and the sills wipe clean.

We carry eight manufacturer lines, including PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. That matters because the right window for a fog-belt home in the Richmond District isn’t the same as the right window for a south-facing Noe Valley flat. We spec for the job, not for whatever happens to be on the warehouse shelf.

FAQs – New Window Installation Cost

How much does new window installation cost in San Francisco in 2026?

Standard vinyl window installation in San Francisco runs $650 to $950 per window in 2026, with fiberglass at $1,100 to $1,800 and clad wood at $1,400 to $2,400 per window installed. A whole-house replacement of 10 to 14 windows typically costs $8,500 to $28,000 depending on material. For an exact number on your home, call (831) 273-7126 and we’ll provide a free written estimate.

Is it cheaper to repair or replace a window?

Minor repairs like replacing a broken balance, a failed seal, or worn weatherstripping run $80 to $350 per window in San Francisco, which is far less than replacement. But if the frame is rotted, the glass is failed on both panes, or the window is 20-plus years old and leaking air, replacement at $650 to $1,450 per window is the better long-term investment. We’re happy to assess the condition before recommending either direction. Call (831) 273-7126 and we’ll take a look.

Can you install windows the same day?

For a single standard-size window where the rough opening is in good condition, we can often complete the installation the same day we arrive on site. Multi-window projects take longer, typically one to three days for a full house depending on access and framing conditions. The timeline is part of the written estimate you’ll receive before any work starts.

Do San Francisco window installations require a permit?

Yes, most window replacement work in San Francisco requires a permit from the Department of Building Inspection. Like-for-like replacements usually qualify for an over-the-counter permit with modest fees, while size changes or historic district work requires plan review. We handle the permit paperwork as part of the installation, and it’s included in your written price.

How much do labor costs add to window installation in San Francisco?

Labor accounts for 45% to 55% of the total window installation cost in San Francisco, with typical installation labor running $75 to $140 per hour per crew member. On a $900 vinyl window replacement, expect roughly $400 to $500 of that to be labor, weatherproofing, and disposal. The remaining cost is the window unit itself. Our written estimates break out labor separately so you can see exactly what you’re paying for.

Are more expensive windows worth it in San Francisco’s climate?

In most San Francisco neighborhoods, the answer is yes, particularly west of Twin Peaks. Fiberglass and clad wood windows handle the city’s fog, salt air, and temperature swings better than entry-level vinyl over a 20-to-30-year span. The premium is real, typically 40% to 100% over vinyl, but it’s often cheaper than a second full replacement in year 12 or 15. We’ll help you match the material to your specific microclimate and exposure. Call (831) 273-7126 for a consultation.

Get a Written Estimate for Your San Francisco Window Installation

If you’re planning window installation in San Francisco, the best next step is a free walkthrough and a written price. No pressure, no pricing games, no surprise line items added at the door. You’ll get a specific number for your windows, your home, and your neighborhood, and you’ll have time to think it over before deciding anything.

Meridian Windows and Doors San Francisco is led by Elliot Vance, and every job is covered by the 365-Day Done Right Promise. If something isn’t right within the first year, we come back at no charge. That’s in writing. Call (831) 273-7126 today, or visit our New Window Installation in San Francisco page to learn more about how we work. You can also return to our home page to see the full range of window and door services we provide.

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

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