- Slate roof installation usually costs $20,000 to $26,000, about $23,500 typical.
- A natural or synthetic slate roof on an average home.
What slate roof installation costs
Slate roof installation usually runs $20,000 to $26,000. A typical job lands near $23,500. A natural or synthetic slate roof on an average home.
| Price | |
|---|---|
| Low end | $20,000 |
| Typical | $23,500 |
| High end | $26,000 |
National figures from Fixr, HomeAdvisor and Today's Homeowner, combined as shown below. Labor rates move the price by state: about $28,470 typical in Hawaii against $20,529 in Arkansas.
What drives the price
- Natural or synthetic. Natural slate costs the most. Synthetic slate is lighter and cheaper.
- Weight. Natural slate is heavy. The frame may need strengthening.
- Skilled labor. Few roofers install natural slate, and they charge for it.
Slate roof installation cost by slate type
| Slate | Price | Source |
|---|---|---|
| Synthetic | $9 to $15 a sq ft | Fixr |
| Hybrid | $10 to $18 a sq ft | Fixr |
Extra costs to plan for
| Item | Price | Source |
|---|---|---|
| Old roof removal and disposal | $1,000 to $5,000 | HomeAdvisor |
Not every quote includes these. Check each line before comparing slate roof installation bids.
Slate roof installation cost by state
Estimates by state, made by Koira: the national slate roof installation range with its labor part, roughly 55%, adjusted to local wages for construction and extraction workers. Real quotes vary with the job.
| State | Low | Typical | High |
|---|---|---|---|
| Alabama | $17,833 | $20,954 | $23,183 |
| Alaska | $22,970 | $26,990 | $29,861 |
| Arizona | $19,720 | $23,170 | $25,635 |
| Arkansas | $17,472 | $20,529 | $22,713 |
| California | $22,240 | $26,132 | $28,912 |
| Colorado | $20,304 | $23,857 | $26,395 |
| Connecticut | $22,232 | $26,123 | $28,902 |
| Delaware | $19,965 | $23,459 | $25,955 |
| District of Columbia | $21,952 | $25,793 | $28,537 |
| Florida | $18,117 | $21,288 | $23,553 |
| Georgia | $18,198 | $21,383 | $23,657 |
| Hawaii | $24,230 | $28,470 | $31,499 |
| Idaho | $19,374 | $22,764 | $25,186 |
| Illinois | $23,884 | $28,064 | $31,050 |
| Indiana | $20,426 | $24,001 | $26,554 |
| Iowa | $19,985 | $23,482 | $25,980 |
| Kansas | $19,155 | $22,507 | $24,901 |
| Kentucky | $18,817 | $22,110 | $24,462 |
| Louisiana | $18,225 | $21,414 | $23,692 |
| Maine | $20,142 | $23,667 | $26,185 |
| Maryland | $20,061 | $23,572 | $26,080 |
| Massachusetts | $23,312 | $27,391 | $30,305 |
| Michigan | $20,304 | $23,857 | $26,395 |
| Minnesota | $22,409 | $26,331 | $29,132 |
| Mississippi | $17,645 | $20,733 | $22,938 |
| Missouri | $20,403 | $23,974 | $26,524 |
| Montana | $20,261 | $23,807 | $26,340 |
| Nebraska | $18,936 | $22,249 | $24,616 |
| Nevada | $20,403 | $23,974 | $26,524 |
| New Hampshire | $20,100 | $23,617 | $26,130 |
| New Jersey | $22,570 | $26,520 | $29,341 |
| New Mexico | $18,217 | $21,405 | $23,682 |
| New York | $22,006 | $25,857 | $28,607 |
| North Carolina | $18,125 | $21,297 | $23,563 |
| North Dakota | $20,300 | $23,852 | $26,390 |
| Ohio | $20,480 | $24,064 | $26,624 |
| Oklahoma | $17,983 | $21,130 | $23,378 |
| Oregon | $21,214 | $24,927 | $27,578 |
| Pennsylvania | $20,181 | $23,712 | $26,235 |
| Rhode Island | $20,645 | $24,258 | $26,839 |
| South Carolina | $18,156 | $21,333 | $23,603 |
| South Dakota | $18,260 | $21,455 | $23,737 |
| Tennessee | $18,333 | $21,541 | $23,832 |
| Texas | $18,083 | $21,247 | $23,508 |
| Utah | $19,558 | $22,981 | $25,426 |
| Vermont | $20,035 | $23,541 | $26,045 |
| Virginia | $19,428 | $22,827 | $25,256 |
| Washington | $22,947 | $26,963 | $29,831 |
| West Virginia | $19,643 | $23,080 | $25,535 |
| Wisconsin | $20,757 | $24,389 | $26,984 |
| Wyoming | $20,038 | $23,545 | $26,050 |
Big metro areas often run above their state's figure.
How we got these numbers
| Guide | Range | Average | Use |
|---|---|---|---|
| Fixr | $20,000 to $60,000 | $40,000 | Counted |
| HomeAdvisor | $4,389 to $22,377 | $13,348 | Counted |
| Today's Homeowner | $20,825 to $26,010 | Not given | Counted |
How the slate roof installation range is combined: low end from the middle of the guides' lows, high end from the middle of their highs, typical from the middle of their averages (a range's midpoint where no average is given). Figures read on each guide's page on October 9, 2026.
Labor share used: 55%. None of the guides splits labor out for this job, so this share is Koira's working assumption for roofing and gutters work. State factor: the state's median hourly wage for construction and extraction workers over the national $28.63 (BLS, May 2025), kept between 0.7 and 1.4.
For contractors: price this job in Koira
Roofs are priced by the square, so measure once, show the squares, the tear-off and the extras, and send it the same day.
With Koira's free Office plan, the slate roof installation estimate, the deposit and the final invoice live in one place, sent by text. See estimates. Price this job in Koira, free.
Sources: Fixr, slate roof installation cost; HomeAdvisor, slate roof installation cost; Today's Homeowner, slate roof installation cost; BLS Occupational Employment and Wage Statistics, May 2025 (state and national files). Prices checked October 9, 2026. More for your trade: how the trade runs on Koira.