How much does a window replacement cost in San Francisco?

A standard window replacement in San Francisco, California models at $8,600 – $18,200 at a mid specification, before property-specific conditions.

What changes the price most?

Local labour rates (index 1.42), the specification tier, access and existing conditions. Renolume applies each condition as a named rule and shows which ones fired.

How accurate is this estimate?

This page states a confidence score of 88/100 (High confidence) for a generic property. Answering the planner questions raises it, because the model has more to work with.

Window Replacement cost in San Francisco, CA

A typical window replacement in San Francisco models at $8,600 – $18,200 at the Better specification, using measured local wage data and a 1.42× labour index. This is a baseline for a standard property — your roofline, access and existing conditions move it.

Price my window replacement

Confidence: High confidence · 88/100 for this generic case

Good

$6,200 – $13,500

Around $8,800 · 18 days elapsed

Better

$8,600 – $18,200

Around $12,100 · 28 days elapsed

Best

$14,000 – $31,900

Around $20,900 · 49 days elapsed

What drives the price in San Francisco

Labour index 1.42 · material index 1.12 · permit index 1.55. Labour rates derived from published wage data for San Francisco, CA (measured).

Set, shim, level and fasten windows$5,900 – $9,700
Remove existing windows$400 – $900
Insulate, flash and seal$200 – $500
Field measure and order$100 – $300
Haul old units and clean up$100 – $200

Contractor overhead and profit is shown separately at 25%, contingency at 7%. How the confidence score works.

12 conditions that change this number

None apply to the generic baseline — they depend on answers only you can give.

Full-frame replacement
Structural enlargement
Engineering required for multiple enlargements
Egress conversion
Pre-1978 lead paint
Second storey
Third storey
Masonry openings

What the job involves

Measure & order0.5 days
Removal0.6 days
Install & flash1.2 days
Cleanup & inspection0.5 days

Unit pricing assumes standard sizes at the average size you supplied; oversize or custom-shape units cost materially more.

The same project in other metros

Get this priced for your actual house

Answer six questions and the range narrows to your roof, your access, your conditions.

Planning estimate only. This is not a quote, bid or appraisal. Ranges reflect typical market conditions for the stated data version and do not account for site-specific concealed conditions, local code interpretation or contractor availability. Always obtain written bids. Data version v2026.1. Last updated April 1, 2026. Methodology.