Vinyl Window Replacement cost: Altadena vs San Francisco (2026)
Altadena runs 9% lower than San Francisco for vinyl window replacement — expect around $11,000 in Altadena against $12,000 in San Francisco, a difference of about $1,000.
Altadena CA
Lower costTypically around $11,000
San Francisco CA
Typically around $12,000
Altadena vs San Francisco: full breakdown
| Factor | Altadena | San Francisco |
|---|---|---|
| Typical 2026 cost | $11,000 | $12,000 |
| Estimated range | $5,550–$16,400 | $6,050–$17,900 |
| Labor index (vs US) | ×1.08 | ×1.18 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $150 |
| Labor share | $6,050 | $6,600 |
| Materials/equipment | $4,950 | $5,400 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national vinyl window replacement range for local labor, climate and permits.
Is the gap worth worrying about?
A 9% gap is meaningful on a project this size — about $1,000. That's real money, but it's often within reach of off-season timing and a tighter apples-to-apples bid in San Francisco.
Vinyl window replacement by type: Altadena vs San Francisco
Below, each vinyl window replacement option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Altadena | San Francisco |
|---|---|---|
| Double-hung | $5,550–$13,150 | $6,050–$14,350 |
| Sliding | $5,000–$12,050 | $5,500–$13,200 |
| Casement | $6,650–$15,300 | $7,250–$16,750 |
| Picture | $7,150–$15,300 | $7,850–$16,750 |
| Bay / bow | $9,900–$19,650 | $10,800–$21,500 |
Treat these as 2026 localized estimates for vinyl window replacement, not quotes from a contractor.
Vinyl window replacement by number of windows: Altadena vs San Francisco
Vinyl window replacement is priced per window — figure roughly $450–$1,000 each installed for standard double-hung units, including labor and disposal. Cost scales almost linearly with the number of openings you replace at once.
| Size | Altadena | San Francisco |
|---|---|---|
| 5 windows | $2,850–$5,550 | $3,100–$6,050 |
| 10 windows | $5,550–$10,400 | $6,050–$11,400 |
| 15 windows | $8,250–$15,300 | $9,050–$16,750 |
| 20 windows | $10,950–$19,650 | $12,000–$21,500 |
| 25+ windows (whole home) | $13,650–$23,950 | $14,950–$26,200 |
Treat these as 2026 localized estimates for vinyl window replacement, not quotes from a contractor.
What windows pros earn in each metro
Since labor accounts for around 55% of what a vinyl window replacement job costs, it's the biggest lever behind any price gap between cities. What you're seeing below is actual BLS metro wage data for skilled installers — not a guess.
Los Angeles-Long Beach-Anaheim metro · about 15% above the US average installer wage.
San Francisco-Oakland-Fremont metro · about 34% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for vinyl window replacement in either city
Why fall and winter save money: installers are hungry for work and manufacturers are running promotions, and those two discounts happen to overlap in the same off-season window.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
The value case
Vinyl, double-pane, low-E windows deliver most of the comfort and efficiency for the lowest price. For whole-home replacements on a budget, they're the sensible default.
The install case
A perfect window installed badly leaks and fails. Full-frame replacement with proper flashing beats a cheap pocket insert in a rotted opening — match the install method to your home's condition, not just the price.
The efficiency case
In extreme climates, triple-pane or premium low-E/gas-fill glass pays back in comfort and bills — and ENERGY STAR units may unlock rebates. Spend on the glass package before the frame upgrade.
Buy the glass package your climate needs, default to vinyl frames unless you have a reason not to, and never let install quality be the thing you cut to hit a number.
Altadena vs San Francisco
Is vinyl window replacement cheaper in Altadena or San Francisco?
In 2026, vinyl window replacement is cheaper in Altadena at about $11,000, versus $12,000 in San Francisco — a difference of about $1,000 (9%).
Why does vinyl window replacement cost more in San Francisco than Altadena?
The main driver is local labor rates: San Francisco's labor index is 1.18 versus 1.08 in Altadena. Climate zone (mixed vs mixed) and permit fees also shift the total.
How much is vinyl window replacement in Altadena, CA?
In Altadena, vinyl window replacement typically runs $5,550–$16,400 in 2026, with most homeowners paying around $11,000.
Do windows pros really charge more in one city?
Real wage data backs this up — skilled installers earn roughly $35.9/hr in Los Angeles-Long Beach-Anaheim compared with $41.6/hr in San Francisco-Oakland-Fremont (BLS OEWS). Labor is about 55% of a vinyl window replacement job, so that wage gap is what mostly drives the price difference.
When is the cheapest time to buy vinyl window replacement — and does it differ by city?
No, the seasonal pattern is the same in Altadena and San Francisco: book during Late fall and winter for about 5–15% in savings. Spring and summer peak is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on vinyl window replacement cost?
That would be a stretch. $1,000 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in San Francisco can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare vinyl window replacement in other cities
Updated June 2026 · By Serhat Özçelik