That is the modeled cost to deliver plus a fair contractor margin, not a sales quote. Built from BLS metro wages, Craftsman labor hours, a real bill of materials, and hand-verified permit data. 2026-08-28
Mid-range here means the reroof most homeowners actually buy: full tear-off and asphalt shingle replacement on a typical single-family roof, disposal included, with up to two sheets (64 sq ft) of decking replacement in the base price. Additional decking prices per sheet. Metal, tile, and slate are the premium rungs of the same job.
Show the math
How $19,088 is built
Labor$4,538
Materials$4,941
Permit fee$349
Direct cost$9,828
Overhead (22% of revenue)$4,092
Cost to deliver (break even)$13,920
Contractor margin (24.7%)$5,168
Typical fair price$19,088
The margin is the gap between break even and a typical quote, not a markup we invent. A fair margin floats by trade and market, most landing at a 15 to 22 percent margin on the bid, about 18 to 28 percent over the cost to deliver, and nobody works for free. Full methodology.
$19,088
Typical installed
72hrs
Skilled labor
24.7%
Contractor margin
31.0% over
vs national avg
Is your roofing bid fair?
Cost index by David Olson · reviewed by Leonard "Chuck" Thompson · 2026-08-28
Independent FatBook v3 cost indexVerified permit/source data where availableReviewed by Leonard "Chuck" Thompson
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Scope Check
San Jose
Within the fair range.
Fair range
Fair range$16,333 to $21,959
Typical market bid$19,088
Lowest realistic price$16,333
Your bid$19,088
Gap to the price floor$2,755
Contractor margin24.7%
Fair range. The red line is break-even, what delivering the job actually costs, and it is a reference, never the ask. Fair bids live in the green band above it: most settle at a 15 to 22 percent margin on the bid, roughly 18 to 28 percent over the cost to deliver, leaner or richer by trade and market. Crews are supposed to earn that margin. Nobody shows up for free, and work that looks simple from the couch rarely is.
Calculate your San Jose true cost.
squares
Technical BlueprintLIVE SCHEMA
True Cost Benchmark
$19,088
Typical range: $16,333 to $21,959 · Lowest realistic price: $16,333
Potential savings $2,755. That is the gap between the true cost benchmark and the lowest realistic price.
Asphalt Shingle Roof Replacement in San Jose costs more than most U.S. metros. At $19,088, you're paying 31% above the national average, though contractor margins here (24.7%) are in the moderate range. The higher price reflects regional labor costs, not excessive padding. Your negotiation strategy should focus on scope, not price-slashing.
Mid-range margins, wide range. San Jose quotes span $16,333 to $21,959, a 29.5% spread. At 24.7% margin, there's a standard amount of negotiating room ($2,755). The wide range means the scope of work matters enormously. Ensure every contractor is bidding on identical scope before comparing prices.
Time it right. San Jose roofing demand peaks in the warm-weather stretch (April through October), when crews book out and quotes drift toward the high end of the $16,333 to $21,959 range. Demand eases through winter (December through February), when contractors have open calendars and more reason to negotiate toward the $16,333 floor. Off-peak quotes historically run 5 to 12 percent under peak pricing, so a flexible timeline can save roughly $954 to $2,291 on a typical job.
The gap between what San Jose homeowners typically pay and what the market can support is $2,755, a wide one for this trade. To put that in context: the floor price of $16,333 isn't a discount or a coupon. That number is the lowest defensible price, cost to deliver plus the thinnest margin a crew can live on. Anything above it is negotiating room, and most quotes for the same scope come in well past it.
San Jose is among the most expensive metros for roofing in our index, with only 2 of 39 tracked markets posting higher average costs. The premium is driven primarily by regional labor rates that run above the national baseline. The floor price of $16,333 accounts for that labor premium while stripping out excess margin.
Show the math: how San Jose Asphalt Shingle Roof Replacement numbers are derivedClick to expand
Derivation for San Jose, Asphalt Shingle Roof Replacement · updated 2026-08-28
Step 1: Craftsman labor hours
BOM hours from Craftsman National Estimator: 71.75 hrs (typical project: 2500 sq ft)
NAHB benchmark: overhead is 21.5% of revenue, the way the NAHB Cost of Doing Business study measures it. Materials pass through at cost and carry no overhead.
overhead = ~21.5% of revenue (NAHB basis) = $4,092
The portion of the typical quote that is not cost-to-deliver. Higher = more room to negotiate.
Step 12: Savings potential
savings = $19,088 - $16,333 = $2,755
The gap between the typical quote and the lowest likely estimate in San Jose.
One parts list prices every service in every metro. Sources: BLS OES wages, FRED PPI series, Craftsman National Estimator, city permit offices. Updated 2026-08-28. Full methodology →
How the cost breaks down
What you pay for in San Jose.
Every roofing dollar in San Jose, split into labor, materials, permit, overhead, and the contractor margin. The first four are the cost to deliver. On top of that sits the margin a fair job earns.
23.8%
25.9%
23.8%
24.7%
Labor$4,538 (23.8%)
Materials$4,941 (25.9%)
Permit$349 (1.8%)
Overhead & site$4,542 (23.8%)
Margin$4,718 (24.7%)
Cost to deliver plus a fair margin = $19,088
Fig. Roofing work in San Jose: the 72 hours priced above.See cost by project size
What asphalt shingle roof replacement costs at your size.
Scales with project area at this metro's rate. The calculator lets you dial in your exact size.
Size
Typical
Range
1,500 sq ft
$13,814
$11,820 to $15,892
2,000 sq ft
$16,451
$14,076 to $18,925
2,500 sq ft
$19,088
$16,333 to $21,959
3,250 sq ft
$23,043
$19,717 to $26,510
3,750 sq ft
$25,680
$21,974 to $29,543
Scaled from TheFatBook's per-size cost model, the same one behind the calculator.
San Jose roofing sits 31 percent above the national average. The city average for asphalt shingle roof replacement lands at $19,088 while the lowest realistic price sits at $16,333. That gap matters because it tells you exactly how much room exists before a bid turns expensive. What drives the price here is Bay Area labor and a housing stock full of Eichlers, and both show up in the numbers below.
Numbers on this page come from Craftsman labor hours, BLS OES May 2025 wages for San Jose, FRED material prices, and the verified local permit fee. How we calculate
City average
$19,088 for asphalt shingle roof replacement, 31.0% above the national average of $14,568 (TheFatBook cost index, 2026)
Bid range
$16,333 low to $21,959 high, with the lowest realistic price at $16,333 (TheFatBook cost index, 2026)
Contractor margin
24.7% contractor margin, with $2,755 between average price and floor (TheFatBook cost index, 2026)
Labor hours
71.8 hours for asphalt shingle roof replacement (Craftsman, 2026)
Labor cost
$4,538 labor, at $63.21/hr loaded wage ($42.11 base + 50.10% burden) (BLS OEWS, 2026)
Materials
$4,941 material cost (PPI adjusted) (FRED PPI, 2026)
Permit fee
$349 total permit cost (final, do not add taxes) (PermitCalculator, 2026)
Overhead & site costs
$4,542 covering overhead allocation and disposal (NAHB, 2026)
Cost to deliver
$14,370 fully loaded, before the contractor's margin (TheFatBook cost index, 2026)
Local Market
$19,088 is the city average for asphalt shingle roof replacement (TheFatBook cost index, 2026). That figure runs 31 percent above the national average of $14,568. High Bay Area wages push the loaded labor rate to $63.21 per hour. The cost to deliver comes in at $14,370 before any margin. San Jose home values and household incomes are among the highest anywhere. Prop 13 tax math keeps many owners in place and remodeling instead of selling. The permit counter here moves fast with many reroofs clearing same day. Those efficiencies cut holding costs that other cities carry for weeks. I found the 24.7 percent average contractor margin interesting given how many Eichler homes dot the city with their flat and low slope roofs.
San Jose wages run high and crews stay busy with all those Eichler roofs and ADU work. That loaded rate near sixty three an hour is real money. The numbers show steady demand and quick permits but material costs still add up fast on a twenty five hundred square foot house. If this were my money I'd line up two solid local crews and take the lower one that actually shows up with the right insurance.
Understanding Your Bid
$19,088 average leaves $2,755 between it and the floor of $16,333 (TheFatBook cost index, 2026). That spread is your potential savings. The cost to deliver sits at $14,370. The 24.7 percent contractor margin equals average minus cost to deliver divided by average. A bid above the floor is not automatically unfair, but many land closer to $21,959 and that deserves hard questions. A quote well above the $19,088 average on a standard 2500 square foot house should show you exactly where that extra money lives. Some of it's profit. Some of it's padding.
$4,538 covers labor on the average asphalt shingle roof replacement. That comes from 71.8 craftsman hours at the loaded wage of $63.21 per hour which includes the $42.11 base BLS wage plus the 50.1 percent burden for taxes and insurance. Materials add $4,941 according to FRED PPI data. The permit runs a flat $349 in San Jose. Overhead and site costs total $4,542 which includes disposal. Add it all up and you reach the $14,370 cost to deliver. The floor of $16,333 sits above that delivery number by a lean margin. Eichler homes complicate things because their post and beam construction and single pane glass often require extra flashing and sealing details that standard quotes miss. The 24.7 percent margin lives in the gap between delivery cost and average price. (BLS OEWS wage input) (FRED PPI, 2026) (PermitCalculator, 2026)
Seventy two hours of labor sounds about right for a full tear off and shingle job. I've torn off plenty of roofs and that lines up with what a good crew needs on a standard house. The about forty five hundred in labor at that loaded rate leaves room but not much fat. What does your contractor plan to do when he hits rotted decking under the old shingles.
How to Negotiate
$2,755 separates the city average from the lowest realistic price. Shop your roofing job in late fall or early winter when demand eases after the dry season rush. San Jose permit speed helps too since reroofs clear quickly and cut scheduling delays. Know the $14,370 cost to deliver before you sit down with any contractor. Ask the roofer to break out labor hours and disposal costs separately. Push back on anything that exceeds the floor without clear justification. Timing matters in this market. A fair contractor will explain the bid instead of defending it.
Watch for a bid that lists the permit at exactly about three fifty and shows disposal separate. That tells me the guy did his homework on San Jose rules. Honest contractors hit the floor when work slows after the dry season. In Missouri we had slower winters and I could usually get a better price in January than in June.
$19,088 feels normal here until you compare it to the rest of the country. San Jose carries one thousand plus Eichler homes with their flat low slope roofs that leak faster than traditional pitches. Those post and beam houses fight every roofing job because the exposed ceilings leave no room for mistakes. The tax code pushes owners to remodel instead of sell since a new purchase resets Prop 13 protections and can triple property taxes. That creates steady demand and supports higher prices. AB 1033 lets owners sell backyard ADUs separately which adds even more roofing work across the city. The permit office issues most reroof permits over the counter the same day unlike San Francisco. Yet high home values and a loaded labor rate of $63.21 per hour keep the floor at $16,333. I get annoyed when lead gen sites pretend every city works the same. The data shows San Jose plays by its own rules.
How much does asphalt shingle roof replacement cost in San Jose?
Our local Cost Index shows it averages $19,088 for a typical 2500 square foot home. The lowest realistic price sits at $16,333 and the high end reaches $21,959.
What's a fair roofing bid in San Jose?
Our cost database shows a fair range starts near the $16,333 floor. The cost to deliver the job is $14,370 so anything under the $16,333 floor deserves a close look.
How much is a roofing permit in San Jose?
The verified permit cost is $349 for asphalt shingle roof replacement according to our data. This comes straight from PermitCalculator and should appear in every legitimate bid. Our Cost Index folds that exact fee into the $14,370 cost to deliver figure.
Why is roofing more expensive in San Jose than other cities?
San Jose sits 31 percent above the national average of $14,568. High BLS wages create a $63.21 loaded hourly rate and Eichler homes add extra flashing details. Our local Cost Index captures these factors and shows why the floor lands at $16,333 instead of the national $12,885.
TheFatBook models roofing from Craftsman labor hours, BLS regional wages, burden, PPI-adjusted materials, permit data where available, and contractor overhead benchmarks. Cost index version: 2026-08-28. Updated Aug 2026.
Typical roofing costs in San Jose: low, average, and high for the most common services. Source: TheFatBook Cost Index. The full line-item table is below.Embed this chart on your site (free, with attribution)
Service
Low
Average
High
Asphalt Shingle Roof Replacement · 2,500 sqft
$16,333
$19,088
$21,959
Roof Repair
$730
$855
$986
Metal Roof Installation · 2,500 sqft
$37,062
$43,390
$49,986
Flat Roof Installation · 1,200 sqft
$9,520
$11,101
$12,748
Gutter Installation · 200 linear ft
$3,140
$3,682
$4,246
Tear Off Roofing · 2,500 sqft
$4,155
$4,811
$5,495
Roof Deck Repair
$784
$920
$1,060
Roof Flashing Repair
$1,828
$2,047
$2,277
Tile Roof Installation · 2,500 sqft
$28,820
$33,727
$38,842
Slate Roof Installation · 2,500 sqft
$61,059
$71,523
$82,430
Wood Shingle Roof Installation · 2,500 sqft
$37,300
$43,669
$50,307
Roof Vent Installation · 2,500 sqft
$377
$442
$510
Attic Vent Installation · 2,500 sqft
$399
$468
$539
Gutter Guard Installation · 200 linear ft
$2,337
$2,740
$3,160
Downspout Installation · 60 linear ft
$1,079
$1,265
$1,459
San Jose permits.
Structure
San Jose prices permits by staff time with printed minimums for FY 2026-27: issuance $211 an hour (half when filed online), plan review $325 and inspection $315. Every permit adds a 10% record retention fee, and building permits also pay two construction taxes on a valuation the City sets per square foot.
Department
Planning, Building and Code Enforcement (PBCE), City of San Jose
Source-backed permit facts from PermitCalculator.com and the underlying permits_compiled dataset. Always confirm final requirements with the local building department before filing.
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Cost index built by David Olson, Creator of the Cost Index & Permit Dataset · Methodology reviewed by Leonard "Chuck" Thompson, LC Thompson Construction Co., Owner (retired) · 2026-08-28
