Roof Replacement Cost in San Mateo, CA (2026)
Updated October 2026 · San Mateo, CA · index 1.23
How much does a new roof cost in San Mateo? For a 2,000 sq ft roof with architectural asphalt shingles, homeowners in San Mateo, CA pay about $16,200 on average, and most quotes land between $12,700 and $19,700 — $6.33 to $9.87 per sq ft. The price covers tearing off one layer to the deck, ice and water shield, synthetic underlayment, drip edge, the roofing itself, ridge vent, flashing, the permit, the dumpster and cleanup.
The roof replacement price in San Mateo runs 23% above the U.S. average: construction labor in the San Mateo area runs 36% above the national mean, materials 4% above. The same job averages $13,200 nationally and about $14,900 at the California statewide index.
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800 to 5,000 sq ft
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Roof replacement price in San Mateo by roofing material
What a 2,000 sq ft roof costs in San Mateo with each roofing material, installed:
| Option | Average · range |
|---|---|
| Architectural asphalt shingles30-year laminated shingle, the most common re-roof$8.10 per sq ft | $16,200$12,700 – $19,700 |
| 3-tab asphalt shinglesflat single-layer shingle, the budget option$7.32 per sq ft | $14,600$11,300 – $18,000 |
| Impact-resistant (Class 4) shingleshail-rated shingle; some insurers discount it$9.04 per sq ft | $18,100$14,300 – $21,900 |
| Standing-seam metalconcealed-fastener steel panels$18.70 per sq ft | $37,400$30,500 – $44,300 |
The least expensive option in San Mateo is 3-tab asphalt shingles, at about $14,600; standing-seam metal averages $37,400, 2.6 times as much.
Cost to replace a roof in San Mateo by size
With architectural asphalt shingles, priced for San Mateo, CA:
| Size | Average · range |
|---|---|
| A 1,500 sq ft roof$8.45 per sq ft | $12,700$9,800 – $15,600 |
| A 2,000 sq ft roof$8.10 per sq ft | $16,200$12,700 – $19,700 |
| A 3,000 sq ft roof$7.75 per sq ft | $23,200$18,400 – $28,100 |
Some costs stay the same whatever the size — roof measurement and inspection, permit and final inspection, site protection — so a bigger job costs less per unit: $7.75 per sq ft for a 3,000 sq ft roof against $8.45 for a 1,500 sq ft roof.
What a roof replacement in San Mateo includes
Line by line, the $16,200 average for a 2,000 sq ft roof breaks down like this: 54% labor, 45% materials and equipment, and $300 in permit fees passed through at cost.
| Line | Low – high |
|---|---|
| Roof measurement and inspection | $90 – $310 |
| Permit and final inspection | $150 – $450 |
| Site protection | $180 – $430 |
| Tear-off to the bare deck (one layer) | $1,600 – $2,450 |
| Dumpster and landfill fees | $390 – $740 |
| Ice and water shield at eaves and valleys | $560 – $890 |
| Synthetic underlayment | $520 – $840 |
| Drip edge | $370 – $640 |
| Starter strip | $210 – $370 |
| Roofing material, delivered | $3,450 – $4,550 |
| Installation labor | $3,700 – $5,150 |
| Valleys | $70 – $130 |
| Ridge and hip cap | $330 – $550 |
| Pipe boots and vent flashing | $280 – $620 |
| Step and wall flashing | $150 – $300 |
| Ridge vent | $240 – $390 |
| Cleanup and magnetic nail sweep | $310 – $550 |
| Warranty registration | $60 – $370 |
Each line is the price book's U.S. rate for that step times San Mateo's index of 1.23; permit fees are not scaled.
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What affects roof replacement prices in San Mateo
Labor and materials in San Mateo
Construction wages in the San Mateo metro run 39% above the U.S. mean (BLS, May 2025), and specialty-contractor pay in the city's county moves that down by 2%, to 36% above the national mean. Materials in the area's ZIP codes price 4% above the national average. Together they give San Mateo a construction cost index of 1.23.
Where San Mateo sits in California
San Mateo is the 5th most expensive of the 22 California cities in our index, against a statewide index of 1.13. San Francisco is the dearest at 1.30; Riverside is the least expensive at 1.05.
Against the rest of the country
Of the 306 U.S. cities in JobFlex's index, San Mateo ranks 24th from the most expensive. The job that averages $16,200 here averages $13,200 at the national rate.
Sales tax in California
California's base state sales tax is 7.25%, and cities and counties can add their own. How it applies to a home-improvement contract varies, so ask whether a quote includes it. Prices on this page are before tax.
What a San Mateo contractor will ask before quoting
- How many layers come off, and is the decking sound?
- Roof pitch and stories — steep or two-story work adds 15-30% labor
- Ventilation and flashing details (ridge vent, chimney, skylights)
Roof replacement cost in other California cities
A 2,000 sq ft roof with architectural asphalt shingles averages $16,200 in San Mateo; $15,800 in Walnut Creek, $17,000 in Palo Alto, $16,600 in Oakland.
| City | Average · range |
|---|---|
| Walnut Creek, CA2% less | $15,800$12,300 – $19,300 |
| Palo Alto, CA5% more | $17,000$13,300 – $20,700 |
| Oakland, CA2% more | $16,600$13,000 – $20,200 |
| San Jose, CA4% more | $16,800$13,200 – $20,500 |
| San Francisco, CA6% more | $17,100$13,400 – $20,800 |
| Santa Rosa, CA6% less | $15,300$11,900 – $18,600 |
| San Diego, CA10% less | $14,600$11,400 – $17,900 |
| Sacramento, CA10% less | $14,600$11,400 – $17,900 |
roof replacement price in San Mateo: questions
How much does a new roof cost in San Mateo, CA?
About $16,200 for a 2,000 sq ft roof with architectural asphalt shingles, and most San Mateo quotes fall between $12,700 and $19,700. That is 23% above the U.S. average, where the same job averages $13,200.
What is the roof price per square foot in San Mateo?
$6.33 to $9.87 per sq ft, about $8.10 on average, or $810 per square (100 sq ft), with architectural asphalt shingles. Smaller jobs cost more per unit, because the fixed costs are spread over less.
How much is a 3,000 sq ft roof in San Mateo?
$18,400 to $28,100, about $23,200 on average, with architectural asphalt shingles — $7.75 per sq ft.
Do you need a permit for roof replacement in San Mateo?
It depends on the city: for a roof replacement some building departments want a permit and some don't, so check with San Mateo's. The prices on this page carry $150–$450 for the permit and inspection.
Does the price include sales tax in California?
No. The prices here are before tax; California's base state rate is 7.25%, plus any local rate.
What is the cheapest roofing material for roof replacement in San Mateo?
3-tab asphalt shingles, at about $14,600 for a 2,000 sq ft roof. Standing-seam metal runs about $37,400.
Other home projects in San Mateo
Roof replacement cost in California
- Roof replacement cost in Walnut Creek, CA
- Roof replacement cost in Palo Alto, CA
- Roof replacement cost in Oakland, CA
- Roof replacement cost in San Jose, CA
- Roof replacement cost in San Francisco, CA
- Roof replacement cost in Santa Rosa, CA
- Roof replacement cost in San Diego, CA
- Roof replacement cost in Sacramento, CA
How these prices are built
Every price on this page comes from JobFlex's contractor price book: what a homeowner pays a licensed contractor for each step of the job, as a U.S. national average per unit, with the contractor's overhead and profit included and sales tax left out. The roof replacement is priced step by step, then multiplied by San Mateo's construction cost index of 1.23.
The index weighs local construction wages (BLS Occupational Employment and Wage Statistics, May 2025) at 60% and the area's material prices (Craftsman ZIP-area factors) at 40%. Published indices for San Mateo, each on its own base: HUD 1.28, Craftsman 1.19. Treat any city figure as about ±5%; a contractor's quote for your house is the number to plan with.
Contractors in San Mateo build quotes like these with JobFlex's roof estimator.
- HomeGuide 2026: architectural shingles $400-$600 per square installed, $7,500-$16,000 average roof
- Roof tear-off guides 2026 (SquareDash, RoofingCalculatorHQ): tear-off $1.00-$2.40/sqft incl. dumpster; permit $100-$500