Roof Replacement cost in Ontario, CA
Ontario homeowners typically pay $8,950 – $35,700 for roof replacement. Local labor and materials price 5% above the national average.
Ontario average
$12,100
Typical low
$8,950
Typical high
$35,700
Per square foot
$4 – $42
Sample ZIP
91761
What drives Ontario pricing
Local labor
Licensed Ontario contractors carry California workers' comp and prevailing wage pressure, and crews here quote roughly 5% above the national labor average. Demand in the Inland Empire market peaks in spring, so booking early usually beats a rush premium.
Permits & code
Ontario follows the California Building Standards Code, so most structural, electrical, plumbing and re-roof work needs a permit from the Ontario building department plus Title 24 energy compliance. Inland Empire jurisdictions add high-wind and fire-hardening requirements in foothill zones.
Climate & conditions
Ontario sits in a hot, dry inland climate with Santa Ana wind events, so expect wind-rated fasteners, fire-resistant materials and heat-tolerant finishes.
Instant cost calculator
Adjust the inputs to see live pricing
Estimated project cost
$6,783 – $10,175
Most homeowners pay around $8,479
Compare roofing material
Cost by material in Ontario
Installed Ontario pricing per square foot.
| Option | Installed cost |
|---|---|
| 3-tab asphalt shingle | $4 – $6 |
| Architectural shingle | $6 – $9 |
| Standing seam metal | $11 – $19 |
| Clay or concrete tile | $13 – $26 |
| Natural slate | $21 – $42 |
| Cedar shake | $9 – $17 |
| TPO / flat membrane | $6 – $13 |
Where the money goes in Ontario
A typical $12,100 Ontario project, broken down by line item.
- Materials40% · $4,840
- Labor45% · $5,445
- Tear-off & disposal10% · $1,210
- Permits & inspection5% · $605
Common add-ons
Extras that show up on Ontario quotes but rarely in the headline price.
Plywood deck replacement
Per 4x8 sheet installed
Ridge vent
New gutters & downspouts
Skylight replacement
Each
Chimney flashing rebuild
Ice-and-water shield upgrade
Per square foot
Ways to save in Ontario
- Bid in late winter or early spring — roofers discount before storm season demand.
- Ask whether your insurance covers hail or wind damage before paying out of pocket.
- Architectural shingles cost ~15% more than 3-tab but last 50% longer.
- Bundle gutters and attic ventilation into the same job to avoid a second mobilization fee.
- Never accept a storm-chaser door knock without checking a local license and physical address.
Ontario FAQs
Get a Ontario price you can budget against
Answer a few questions about your project and we'll model a low, average and premium price for your CA ZIP code — then connect you with vetted local pros.
Get 3 local roofing quotesMore Ontario research
Roof Replacement cost near Ontario
Roof Replacement cost in Riverside, CA
$9,035 – $36,040
Roof Replacement cost in San Bernardino, CA
$8,780 – $35,020
Roof Replacement cost in Temecula, CA
$9,206 – $36,720
Roof Replacement cost in Eastvale, CA
$9,206 – $36,720
Roof Replacement cost in Rialto, CA
$8,694 – $34,680
Roof Replacement cost in Victorville, CA
$8,439 – $33,660