Slate roof installation costs $13,348 on average, with most homeowners paying between $4,389 and $22,377.1,2 Fixr publishes a higher range of $20,000 to $60,000, with a national average of $40,000.3 Installed pricing runs $10 to $30 per square foot at Angi and HomeAdvisor and $9 to $30 at Fixr. Prices below are national averages*.
*National averages, not local quotes. Angi and HomeAdvisor figures are from guides updated in 2026; Fixr figures are from a guide updated January 2026. Your price depends on roof size, slate type, and whether the structure needs reinforcement.
$13,348
average install (Angi/HomeAdvisor, 2026)
$4,389–$22,377
typical range (Angi/HomeAdvisor, 2026)
$40,000
national average (Fixr, 2026)
$10–$30
per sq. ft. installed (Angi/HomeAdvisor, 2026)
What the sources say
| Source | Headline figures | Notes |
|---|---|---|
| Angi (updated Sep 2026) | $13,348 average, based on 255 verified projects; most pay $4,389 – $22,377; $10 – $30 per sq. ft. installed | Labor $75 – $150 per hour or $5 – $12 per sq. ft.; permits $200 – $1,000 |
| HomeAdvisor (updated Jun 2026) | Same average and range; real slate $10 – $30 per sq. ft. installed | Corporate sibling of Angi – matching figures alone don’t establish independent corroboration. Labor 40% – 50% of total ($1,800 – $10,900) |
| Fixr (updated Jan 2026) | $20,000 – $60,000 range; $40,000 national average; $9 – $30 per sq. ft. including materials and labor | Labor 40 – 60% of total; repairs $300 – $1,600 |
Angi and HomeAdvisor publish identical averages and ranges; they are corporate siblings, so matching figures alone don’t establish independent corroboration. Fixr’s figures are separately published, and the pages state no shared sourcing. Both ranges are presented as published, with no conclusion about why they differ.
Cost by roof size (Angi, 2026)
| Roof size (sq. ft.) | Cost range |
|---|---|
| 1,000 | $10,000 – $20,000 |
| 1,500 | $15,000 – $30,000 |
| 2,000 | $20,000 – $40,000 |
| 2,500 | $25,000 – $50,000 |
| 3,000 | $30,000 – $60,000 |
Cost by home size (Fixr, 2026, materials and labor)
| Home size (sq. ft.) | Average roof size (sq. ft.) | Typical cost range |
|---|---|---|
| 800 | 1,000 | $9,000 – $30,000 |
| 1,000 | 1,200 | $10,800 – $36,000 |
| 1,500 | 1,800 | $16,200 – $54,000 |
| 1,700 | 2,000 | $18,000 – $60,000 |
| 2,000 | 2,400 | $21,600 – $72,000 |
| 2,500 | 3,000 | $27,000 – $90,000 |
| 3,000 | 3,600 | $32,400 – $108,000 |
Cost by slate type (Angi, 2026, installed)
| Slate type | Average cost per sq. ft. |
|---|---|
| Natural slate | $15 – $30 |
| Synthetic slate | $10 – $15 |
| Architectural grade | $15 – $20 |
| Premium grade | $25 – $30 |
| Imported slate | $20 – $35 |
| Domestic slate | $15 – $25 |
Cost by slate type (HomeAdvisor, 2026, installed)
| Slate type | Average cost per sq. ft. |
|---|---|
| Bituminous | $10 – $15 |
| Concrete | $10 – $20 |
| Metal | $15 – $25 |
| Natural | $20 – $30 |
| Synthetic | $10 – $15 |
Cost by slate type (Fixr, 2026)
| Slate type | Cost range per sq. ft. |
|---|---|
| Synthetic | $9 – $15 |
| Hybrid | $10 – $18 |
| Natural | $15 – $30 |
Each publisher groups slate types differently, and the natural-slate span differs ($15–$30 at Angi and Fixr, $20–$30 at HomeAdvisor); all are presented as published. Fixr adds that within natural slate, soft slate runs $15 to $20 per square foot and hard slate $20 to $30.1,2,3
Labor
| Source | Labor figure |
|---|---|
| Angi (2026) | $75 – $150 per hour or $5 – $12 per sq. ft. |
| HomeAdvisor (2026) | 40% – 50% of total cost, or $1,800 – $10,900 |
| Fixr (2026) | 40 – 60% of total cost |
Additional costs
| Item | Cost | Source |
|---|---|---|
| Permits | $200 – $1,000 | Angi (2026) |
| Structural reinforcement | $1,000 – $10,000 | HomeAdvisor (2026), Fixr (2026) |
| Old roof removal and disposal | $1,000 – $5,000 per project | HomeAdvisor (2026) |
| Old roof removal and disposal | $50 – $150 per square (100 sq. ft.) | Fixr (2026) |
| Dumpster rental | $300 – $480 | HomeAdvisor (2026) |
| Repairs to hidden damage found during removal | $150 – $1,000 | Fixr (2026) |
| Roof inspection | around $250 | Fixr (2026) |
| Slate roof cleaning | $600 – $1,000 | Fixr (2026) |
| Ongoing maintenance (inspections, cleaning, gutter upkeep) | $300 – $800 per year | Angi (2026) |
Reinforcement matches across HomeAdvisor and Fixr; those figures are separately published with no shared sourcing stated. The two removal figures use different units (per project vs. per square) and no shared project size is stated, so they are presented as separate figures with the basis gap noted.
Repair costs
Angi prices standard slate repairs at $50 to $200 per tile, or $1,000 to $5,000 for larger sections.1 Fixr puts slate roof repairs at $300 to $1,600 depending on the extent of the damage.3
| Scenario | Repair cost | Replacement cost |
|---|---|---|
| Minor tile damage (few tiles) | $200 – $800 | $15,000 – $45,000 |
| Large section damaged | $1,500 – $5,000 | $15,000 – $45,000 |
| Widespread leaks, old roof | $5,000 – $15,000 | $15,000 – $45,000 |
| Structural damage | $5,000 – $10,000 | $20,000 – $50,000 |
Scenario table as published by Angi (2026).
Slate vs. asphalt shingles
Fixr prices standard asphalt shingles at around $4 per square foot versus $9 to $30 for slate, and puts a standard asphalt shingle roof at about $12,000 against its $40,000 slate average.3
Related guides
Wood Shake Roof Cost
Copper Roof Cost
Flat Roof Replacement Cost
Tile Roof Cost
Roof Replacement Cost
Roof Repair Cost
Roof Inspection Cost
All cost guides
Sources
1. Angi — How Much Does a Slate Roof Cost? (2026)
2. HomeAdvisor — How Much Does a Slate Roof Cost to Install? (2026)
3. Fixr — How Much Does a Slate Roof Cost? (2026)