Home Project Cost Index 2026
Every price and material constant behind our calculators, with its source. 169 values across 19 topics.39 are editorial estimates (marked Estimate) where we couldn't find a single published source.
Concrete
| Item | Range | Unit | Source |
|---|---|---|---|
| Ready-mix concrete, deliveredCovers delivery within about 20 miles, standard 3,000–4,000 psi mix. | $119 – $147 | per cubic yard | HomeGuide (2026) — concrete prices |
| Short-load fee (below truck minimum, typically under ~8–10 yd)Some suppliers instead charge a flat short-load fee per delivery. | $30 – $60 | per cubic yard short | Angi (2026) — how much does it cost deliver concrete |
| Quikrete Concrete Mix 40 lb bag yield | 0.3 | cu ft | Quikrete data sheet (Concrete Mix No. 1101) |
| Quikrete Concrete Mix 60 lb bag yield | 0.45 | cu ft | Quikrete data sheet (Concrete Mix No. 1101) |
| Quikrete Concrete Mix 80 lb bag yieldAbout 45 bags per cubic yard. | 0.6 | cu ft | Quikrete data sheet (Concrete Mix No. 1101) |
| 80 lb concrete mix bag priceLowe's listed the Quikrete 80 lb at $5.68 (2026). The high value is an estimate. Prices vary by store. | $5.38 – $6.98 | per bag | ShopSavvy price tracker (Lowe's listing) — quickrete 80lb concrete mix |
| 60 lb concrete mix bag price | $4.25 – $5.75 | per bag | Estimate |
| 40 lb concrete mix bag priceAce Hardware listed $6.59 (high end). The low value is an estimate for big-box stores. | $3.75 – $6.59 | per bag | Estimate |
| Concrete slab (4 in), installedA basic 4 in slab runs about $6–$8/sq ft. Thicker slabs, rebar and decorative finishes push it to the high end. | $6 – $12 | per sq ft | HomeGuide (2026) — concrete slab cost |
Decks
| Item | Range | Unit | Source |
|---|---|---|---|
| Pressure-treated wood deck, installedMaterials run $10–$20 and labor $15–$30. | $25 – $50 | per sq ft | HomeGuide (2026) — pressure treated decking cost |
| Cedar deck, installed | $30 – $50 | per sq ft | HomeGuide (2026) — cedar decking cost |
| Composite deck, installed (incl. substructure) | $40 – $80 | per sq ft | HomeGuide (2026) — composite decking prices |
| Pressure-treated deck materials (boards, framing, supplies) | $10 – $20 | per sq ft | HomeGuide (2026) — pressure treated decking cost |
| Cedar deck materials (boards plus other supplies)Cedar boards run $5–$10/sq ft plus $5–$10 for other materials. | $10 – $20 | per sq ft | HomeGuide (2026) — cedar decking cost |
| Composite deck materials | $16 – $32 | per sq ft | HomeGuide (2026) — composite decking prices |
Drywall
| Item | Range | Unit | Source |
|---|---|---|---|
| Common sheet sizes4x8 (32 sq ft), 4x10 (40), 4x12 (48). Thickness is 1/2 in for walls and 5/8 in for fire-rated or ceilings. | 32 – 48 | ft | Estimate |
| 1/2 in drywall, 4x8 sheetTypical is an estimate. | $10 – $20 | per sheet | HomeGuide (2026) — sheetrock drywall prices |
| 1/2 in drywall, 4x12 sheetTypical is an estimate. | $13 – $23 | per sheet | HomeGuide (2026) — sheetrock drywall prices |
| Drywall hung, taped and finished | $1.5 – $3 | per sq ft of wall/ceiling | Angi (2026) — what cost install drywall |
| Joint tape usage | 370 | linear ft per 1,000 sq ft of board | USG — 1977 |
| Ready-mix joint compound usageUSG says about two 4.5 gal pails of UltraLightweight compound per 1,000 sq ft. Heavier all-purpose mixes use somewhat more. | 9 | gallons per 1,000 sq ft of board | USG — 1977 |
Electricity & appliances
| Item | Range | Unit | Source |
|---|---|---|---|
| Average US residential electricity price, 2026EIA STEO Sept 2026: 2026 annual average 18.2¢ (about +5% vs 2025's 17.3¢). 2027 forecast is 18.6¢. State rates vary widely, from about 11¢ to 40¢+. | 17.3 – 18.6 | cents per kWh | EIA Short-Term Energy Outlook (Sept 2026) — elec coal renew.php |
| RefrigeratorRunning watts while the compressor cycles. Energy use is about 400–700 kWh/yr. | 300 – 800 | watts | EnergySage — house watts |
| Microwave | 600 – 1,000 | watts | EnergySage — house watts |
| Electric oven/stove | 2,000 – 5,000 | watts | EnergySage — house watts |
| Television | 50 – 200 | watts | EnergySage — house watts |
| Light bulbLEDs are about 8–15 W. | 10 – 60 | watts | EnergySage — house watts |
| Space heater | 1,500 | watts | EnergySage — house watts |
| Central air conditioner | 3,000 – 4,000 | watts | EnergySage — house watts |
| Window AC unit | 500 – 1,400 | watts | EnergySage — house watts |
| Heat pump | 545 – 7,500 | watts | EnergySage — house watts |
| Washing machine | 400 – 1,400 | watts | EnergySage — house watts |
| Electric clothes dryer | 1,500 – 5,000 | watts | EnergySage — house watts |
| Computer | 30 – 70 | watts | EnergySage — house watts |
| Hair dryer | 1,500 – 2,000 | watts | EnergySage — house watts |
| EV charger, Level 2Common 32 A at 240 V. 48 A units are about 11,500 W. | 7,200 | watts | EnergySage — house watts |
| Dishwasher | 1,200 – 2,400 | watts | Estimate |
| Electric tank water heater | 3,000 – 5,500 | watts | Estimate |
Fencing
| Item | Range | Unit | Source |
|---|---|---|---|
| Wood privacy fence (6 ft), installedWood fences in general run $20–$50/LF installed. | $25 – $50 | per linear ft | HomeGuide (2026) — privacy fence cost |
| Vinyl fence, installed6 ft vinyl privacy runs $40–$85/LF. | $30 – $60 | per linear ft | HomeGuide (2026) — fence installation cost |
| Chain link fence, installedGalvanized 4 ft sits at the low end. Vinyl-coated or taller fences sit at the high end. | $10 – $40 | per linear ft | HomeGuide (2026) — fence installation cost |
| Aluminum fence, installed | $25 – $75 | per linear ft | HomeGuide (2026) — fence installation cost |
| Wood fence materials only | $10 – $30 | per linear ft | HomeGuide (2026) — wood fence cost |
| Vinyl fence materials onlySources disagree. Another guide quotes $25–$45/LF for materials alone. | $10 – $30 | per linear ft | Angi (2026) — vinyl fence cost |
| Chain link materials only (galvanized)Covers fabric, posts, top rail and hardware. Vinyl-coated runs $8.75–$20.50/LF. | $3 – $8.5 | per linear ft | HomeGuide (2026) — chain link fence cost |
| Aluminum fence materials only | $15 – $40 | per linear ft | Estimate |
| Walk gate (~4 ft), installedInch Calculator gives $400–$800 for a 48 in gate with hardware. Angi says a manual wood gate in a privacy fence averages about $400. Double drive gates run $500–$3,000. | 400 – 800 | each | Inch Calculator — cost to install fence |
| Line post spacingMatches standard 6 ft and 8 ft prefab panels. Chain link is commonly up to 10 ft (estimate). | 6 – 8 | ft on center | Angi — how far apart should fence posts be |
Flooring
| Item | Range | Unit | Source |
|---|---|---|---|
| Luxury vinyl plank, material | $1.5 – $10 | per sq ft | This Old House (2026) — cost to install vinyl plank flooring |
| Luxury vinyl plank, installed | $4 – $16 | per sq ft | HomeGuide (2026) — flooring installation cost |
| Laminate, material | $1 – $5 | per sq ft | HomeGuide (2026) — flooring installation cost |
| Laminate, installedLabor runs $2–$8/sq ft. | $4 – $14 | per sq ft | HomeGuide (2026) — flooring installation cost |
| Engineered hardwood, material | $3 – $16 | per sq ft | Angi (2026) — engineered hardwood flooring installation cost |
| Engineered hardwood, installed | $7 – $20 | per sq ft | Angi (2026) — engineered hardwood flooring installation cost |
| Solid hardwood, material | $6 – $15 | per sq ft | HomeGuide (2026) — hardwood flooring cost |
| Solid hardwood, installedLabor runs $3–$10/sq ft. | $11 – $25 | per sq ft | HomeGuide (2026) — hardwood flooring cost |
| Carpet (incl. pad), material | $1 – $5 | per sq ft | HomeGuide (2026) — carpet installation cost |
| Carpet, installedLabor runs $0.50–$1.50/sq ft. | $2 – $8 | per sq ft | HomeGuide (2026) — carpet installation cost |
| Ceramic/porcelain tile, materialCeramic is about $0.50–$7 and porcelain about $3–$25. See the tile topic for detail. | $1 – $15 | per sq ft | Estimate |
| Ceramic/porcelain tile floor, installedLabor runs $8–$20/sq ft. Basic ceramic floors often land at $10–$20 (estimate). | $10 – $50 | per sq ft | HomeGuide (2026) — tile installation cost |
Gravel
| Item | Range | Unit | Source |
|---|---|---|---|
| Crushed stone / gravel, bulkMaterial only. Delivery is extra. | $10 – $50 | per ton | HomeGuide (2026) — gravel prices |
| Crushed stone / gravel, bulk | $15 – $75 | per cubic yard | HomeGuide (2026) — gravel prices |
| Pea gravel, bulk | $30 – $55 | per ton | HomeGuide (2026) — pea gravel cost |
| Pea gravel, bulk | $45 – $80 | per cubic yard | HomeGuide (2026) — pea gravel cost |
| Crushed stone density | 1.4 – 1.5 | tons per cubic yard | HomeGuide (2026) — gravel prices |
| Pea gravel density | 1.3 – 1.5 | tons per cubic yard | HomeGuide (2026) — pea gravel cost |
HVAC
| Item | Range | Unit | Source |
|---|---|---|---|
| Central AC, 2-ton, installedStandard efficiency, replacing a unit on existing ductwork. | 5,000 – 6,800 | each | HomeGuide (2026) — install ac unit cost |
| Central AC, 3-ton, installed | 5,800 – 7,800 | each | HomeGuide (2026) — install ac unit cost |
| Central AC, 4-ton, installedInterpolated in search summaries between HomeGuide's 3-ton and 5-ton rows. This Old House 4-ton page is a cross-check. | 6,500 – 8,800 | each | This Old House (2026) — 4 ton ac unit cost |
| Central AC, 5-ton, installed | 7,000 – 9,500 | each | HomeGuide (2026) — install ac unit cost |
| Air-source heat pump, installed (ducted)HomeAdvisor's survey range. HomeGuide quotes a much higher $10,000–$25,000 for whole-home systems, so show both scopes. | 4,237 – 7,943 | each | HomeAdvisor — install a heat pump |
| Air-source heat pump, whole-home system (high scope) | 10,000 – 25,000 | each | HomeGuide (2026) — heat pump cost |
| Gas furnace replacement, installedOther guides quote $3,800–$10,000. | 2,823 – 6,897 | each | HomeAdvisor (2026) — install a furnace |
| Rule-of-thumb cooled area per tonOlder or leaky homes are near 400. Newer tight homes are 600+. A Manual J load calculation is the real standard. | 400 – 600 | sq ft per ton | Trane — how many tons should my central ac unit be |
Insulation
| Item | Range | Unit | Source |
|---|---|---|---|
| Fiberglass batt insulation, installed | $0.8 – $2.6 | per sq ft | HomeGuide (2026) — batt roll insulation cost |
| Blown-in attic insulation (cellulose/fiberglass), installed | $0.9 – $2.4 | per sq ft | HomeGuide (2026) — attic insulation cost |
| Blown-in insulation (any location), installed | $1 – $2.8 | per sq ft | HomeGuide (2026) — blown in insulation cost |
| Open-cell spray foam, installed | $1.5 – $3.5 | per sq ft | HomeGuide (2026) — spray foam insulation cost |
| Closed-cell spray foam, installed | $3 – $5 | per sq ft | HomeGuide (2026) — spray foam insulation cost |
| Recommended attic R-value, climate zone 1 (uninsulated attic)R25 when adding to 3–4 in of existing insulation. | 30 – 49 | R-value | ENERGY STAR / DOE — insulation r values |
| Recommended attic R-value, climate zones 2–3 (uninsulated attic)R38 when adding to existing insulation. | 49 – 60 | R-value | ENERGY STAR / DOE — insulation r values |
| Recommended attic R-value, climate zones 4–8 (uninsulated attic)R49 when adding to existing insulation. | 60 | R-value | ENERGY STAR / DOE — insulation r values |
| R-value per inch, fiberglass batt (standard density)High-density batts run R-3.7 to 4.3. Typical is an estimate. | 2.9 – 3.8 | R per inch | DOE Building Technologies Program insulation guide |
| R-value per inch, loose-fill fiberglass | 2.2 – 2.9 | R per inch | Estimate |
| R-value per inch, blown celluloseLoose-fill is R-2.9–3.4. Dense-pack or sprayed is R-3.6–3.8. | 2.9 – 3.8 | R per inch | DOE Building Technologies Program insulation guide |
| R-value per inch, open-cell spray foam | 3.5 – 3.7 | R per inch | DOE Building America spray foam guide |
| R-value per inch, closed-cell spray foam | 5 – 7 | R per inch | DOE Building America spray foam guide |
| R-value per inch, mineral wool batt | 3 – 4.2 | R per inch | Estimate |
Mulch & topsoil
| Item | Range | Unit | Source |
|---|---|---|---|
| Bulk mulchMaterial only. Delivery is about $50–$100. | $20 – $80 | per cubic yard | HomeGuide (2026) — mulch prices |
| Bulk topsoilScreened or blended soils cost more. Delivery is extra. Typical is an estimate. | $10 – $55 | per cubic yard | Angi (2026) — topsoil cost |
| Standard bagged mulch sizeSome bags are 1.5 cu ft. 13.5 two-cu-ft bags = 1 cubic yard. | 2 | cu ft per bag | Angi — mulch calculator |
| Bagged mulch (2 cu ft)Dyed wood mulch is about $4–$6. Premium or cedar mulch runs higher. | $2 – $8 | per bag | HomeGuide (2026) — mulch prices |
| Bagged topsoil (0.75–1 cu ft) | $2 – $6 | per bag | Estimate |
| Recommended mulch depth1 cubic yard covers about 162 sq ft at 2 in or 108 sq ft at 3 in. Keep mulch off trunks. | 2 – 3 | inches | Penn State Extension — mulching landscape trees |
Paint
| Item | Range | Unit | Source |
|---|---|---|---|
| Interior paint coverageSuperPaint Interior Latex Flat: 350–400 sq ft/gal at 4 mils wet. Plan 2 coats. | 350 – 400 | sq ft per gallon per coat | Sherwin-Williams product data sheet — 035777309247 |
| Interior paint priceConsumer grade runs $20–$30 and premium/pro $40–$60+. Typical is an estimate. | $20 – $60 | per gallon | HomeGuide (2026) — how much does a gallon of paint cost |
| Professional interior paintingWalls only sits at the low end. Walls, ceilings and trim sit at the high end. Labor is 70–85% of cost. | $2 – $6 | per sq ft of floor area | HomeGuide (2026) — cost to paint interior of house |
| Professional interior painting | $1 – $3 | per sq ft of wall area | Angi (2026) — how much does it cost paint room |
Pavers
| Item | Range | Unit | Source |
|---|---|---|---|
| Concrete paver patio, installedThe full range including complex jobs is $8–$25/sq ft. | $10 – $17 | per sq ft | HomeGuide (2026) — paver patio installation cost |
| Concrete pavers, material onlyBase materials add about $1.20–$1.70/sq ft: geotextile $0.30–$0.50, Class II road base $0.60–$0.80, bedding sand $0.30–$0.40. | $4 – $6 | per sq ft | HomeGuide (2026) — paver patio installation cost |
| Compacted gravel base depth, patio/walkwayDriveways need 8–12 in. Clay or freeze-thaw soils need more. | 4 – 6 | inches | Angi — paver base calculator |
| Compacted gravel base depth, driveway | 8 – 12 | inches | Angi — paver base calculator |
| Bedding sand depthScreeded concrete sand, about 1 in. Do not exceed about 1.5 in. | 1 | inches | Unilock — paver base |
Kitchen & bath remodels
| Item | Range | Unit | Source |
|---|---|---|---|
| Minor kitchen remodel, midrange (Cost vs Value 2025)National average job cost $28,458 (200 sq ft kitchen, refaced cabinets, laminate counters, new appliances). Low and high are estimates for regional spread. | $25,000 – $32,000 | per project | Remodeling/JLC Cost vs Value 2025 (as cited by NerdWallet) — kitchen remodel cost |
| Major kitchen remodel, midrange (Cost vs Value 2025)National average $82,793. Low and high are estimates for regional spread. | $70,000 – $95,000 | per project | Remodeling/JLC Cost vs Value 2025 (as cited by NerdWallet) — kitchen remodel cost |
| Major kitchen remodel, upscale (Cost vs Value 2025)National average $164,104. Low and high are estimates. | $140,000 – $190,000 | per project | Remodeling/JLC Cost vs Value 2025 (as cited by NerdWallet) — kitchen remodel cost |
| Bathroom remodel, midrange (Cost vs Value 2025)National average $25,251 (5x7 bath, full gut). ROI is about 80%. Low and high are estimates. | $21,000 – $30,000 | per project | JLC Cost vs Value 2025 |
| Bathroom remodel, upscale (Cost vs Value 2025)National average $78,840. Low and high are estimates. | $65,000 – $95,000 | per project | JLC Cost vs Value 2025 |
| Bathroom remodel, typical homeowner spend (cost guide) | $6,456 – $24,715 | per project | This Old House (2026) — bathroom remodel cost |
| Kitchen budget share: cabinets & hardwareThe widely cited NKBA/HomeAdvisor-style breakdown. The original primary page could not be verified. | $29 | percent | Estimate |
| Kitchen budget share: installation labor | $17 | percent | Estimate |
| Kitchen budget share: appliances & ventilation | $14 | percent | Estimate |
| Kitchen budget share: countertops | $10 | percent | Estimate |
| Kitchen budget share: flooring | $7 | percent | Estimate |
| Kitchen budget share: lighting | $5 | percent | Estimate |
| Kitchen budget share: walls & ceilings | $5 | percent | Estimate |
| Kitchen budget share: design fees | $4 | percent | Estimate |
| Kitchen budget share: faucets & plumbing | $4 | percent | Estimate |
| Kitchen budget share: doors & windows | $4 | percent | Estimate |
| Kitchen budget share: other | $1 | percent | Estimate |
| Bath budget share: shower/tubA commonly cited cost-guide breakdown (seen in Angi/Fixr-type guides). Not traced to a primary source. | $25 | percent | Estimate |
| Bath budget share: vanity & storage | $25 | percent | Estimate |
| Bath budget share: fixtures (toilet, faucets) | $10 | percent | Estimate |
| Bath budget share: tile work | $10 | percent | Estimate |
| Bath budget share: plumbing/electrical/ventilation | $10 | percent | Estimate |
| Bath budget share: countertops | $6 | percent | Estimate |
| Bath budget share: doors & windows | $5 | percent | Estimate |
| Bath budget share: contingency | $5 | percent | Estimate |
| Bath budget share: permits | $4 | percent | Estimate |
| Labor share of a bathroom remodel | $40 – $65 | percent | Angi (2026) — how much does bathroom remodel cost |
Roofing
| Item | Range | Unit | Source |
|---|---|---|---|
| 3-tab asphalt shingles, installed (tear-off and replace)HomeGuide gives $3–$5/sq ft installed for standard 3-tab composition shingles. | $300 – $500 | per square (100 sq ft) | HomeGuide (2026) — average cost to tear off and replace roof |
| Architectural/dimensional asphalt shingles, installedHomeGuide gives $4–$6/sq ft installed. | $400 – $600 | per square (100 sq ft) | HomeGuide (2026) — average cost to tear off and replace roof |
| Standing seam metal, installedHomeGuide gives $9–$16/sq ft. Labor alone is $400–$800 per square. | $900 – $1,600 | per square (100 sq ft) | HomeGuide (2026) — average cost to tear off and replace roof |
| Tile (clay/concrete), installedHomeGuide gives $7–$25/sq ft. Concrete tile sits at the low end and clay at the high end. | $700 – $2,500 | per square (100 sq ft) | HomeGuide (2026) — tile roof cost |
| Tear-off, asphalt shingles (one layer)HomeGuide gives $1–$3/sq ft for shingles and $2–$5/sq ft for heavy materials such as tile or slate. Budget about +50–100% for each extra shingle layer (estimate). | $100 – $300 | per square (100 sq ft) | HomeGuide (2026) — average cost to tear off and replace roof |
| Asphalt shingle bundles per squareStandard 3-tab and architectural shingles. Some heavy designer shingles use 4–5 bundles. | 3 | bundles | GAF — how many bundles of shingles are in a square 63a47862 f7e1 |
| Synthetic underlayment roll coverageTypical 48 in x 250 ft roll = 10 squares, e.g. Owens Corning Titanium UDL30 and Grip-Rite 4x250. | 1,000 | sq ft per roll | Home Depot product listing — 5 |
| #15 felt roll coverageIndustry-standard 36 in x 144 ft roll ≈ 4 squares (432 sq ft gross). A 10-sq synthetic roll is marketed as ~2.3x the coverage of #15 felt. | 400 – 432 | sq ft per roll | Estimate |
| Shingle waste factorUse 10% for simple gable roofs and 15–20% for complex hip/valley roofs. | $10 – $15 | percent | Angi — how to measure roof for shingles |
Siding
| Item | Range | Unit | Source |
|---|---|---|---|
| Vinyl siding, installed | $4 – $12 | per sq ft | HomeGuide (2026) — siding cost |
| Fiber cement siding, installedLabor runs $4–$9/sq ft. | $6 – $15 | per sq ft | HomeGuide (2026) — fiber cement siding cost |
| Wood siding, installed | $5 – $15 | per sq ft | HomeGuide (2026) — wood siding cost to install or replace |
| Engineered wood siding (e.g., LP SmartSide), installed | $7 – $12 | per sq ft | HomeGuide (2026) — siding cost |
Solar
| Item | Range | Unit | Source |
|---|---|---|---|
| Residential solar installed cost (before incentives), marketplace quotesEnergySage marketplace average, early 2026. State range runs from TX $2.35 to NH $3.18. | $2.35 – $3.18 | per watt DC | EnergySage (2026) — solar panel cost |
| Residential solar installed price, LBNL median (2024 installs)Low and high are the 20th and 80th percentiles. Cash-purchase median is $3.5/W and loan-financed median is $4.7/W. | $3 – $5.2 | per watt DC | LBNL Tracking the Sun, 2025 Data Update (Oct 2025) |
| Federal Residential Clean Energy Credit (25D) for 2026 installsENDED. The One Big Beautiful Bill Act (signed July 4, 2025) terminated 25D. IRS: 'The credit is not available for any property placed in service after December 31, 2025.' Systems placed in service by 12/31/2025 got 30%, and unused credit can still be carried forward. Leased/PPA (third-party-owned) systems may still pass through a commercial credit (48E), subject to OBBBA construction/placed-in-service deadlines. Verify before stating. | $0 | percent | IRS — residential clean energy credit |
| Annual production per kW installed, US typicalPVWatts-style default (fixed roof mount, ~14% losses). Use pvwatts.nrel.gov for location-specific values. | 1,200 – 1,600 | kWh per kW per year | Estimate |
| Annual production per kW, Southwest (AZ/NM/NV/SoCal)Secondary summaries of PVWatts runs put Phoenix at about 1,800 and AZ/NM state averages at about 1,750–1,780. | 1,600 – 1,800 | kWh per kW per year | Estimate |
| Annual production per kW, Southeast/Texas | 1,350 – 1,550 | kWh per kW per year | Estimate |
| Annual production per kW, Midwest/Northeast | 1,150 – 1,350 | kWh per kW per year | Estimate |
| Annual production per kW, Pacific NorthwestSecondary summaries put Seattle at about 1,100. | 1,000 – 1,200 | kWh per kW per year | Estimate |
| Average US residential electricity price, 2026EIA STEO September 2026: 2025 = 17.3, 2026 = 18.2 (forecast/annual), 2027 = 18.6. | 17.3 – 18.6 | cents per kWh | EIA Short-Term Energy Outlook (Sept 2026) — elec coal renew.php |
Stairs (building code)
| Item | Range | Unit | Source |
|---|---|---|---|
| Maximum riser height (IRC R311.7.5.1)Largest riser in a flight may not exceed the smallest by more than 3/8 in. | 7.75 | inches | ICC, 2021 IRC — IRC2021P3 Pt03 Ch03 SecR311.7.5.1 |
| Minimum tread depth (IRC R311.7.5.2)Measured nosing to nosing. 3/8 in max variation within a flight. Nosing of 3/4–1.25 in is required where tread depth is under 11 in. | 10 | inches | ICC, 2021 IRC — IRC2021P3 Pt03 Ch03 SecR311.7.5 |
| Minimum headroom (IRC R311.7.2)6 ft 8 in, measured vertically from the sloped plane of the tread nosings. | 80 | inches | ICC, 2021 IRC — IRC2021P3 Pt03 Ch03 SecR311.7.5 |
| Minimum clear width (IRC R311.7.1)Measured above handrail height. Handrails may project up to 4.5 in each side. | 36 | inches | ICC, 2021 IRC — IRC2021P3 Pt03 Ch03 SecR311.7.1 |
| Maximum vertical rise of a flight between landings (IRC R311.7.3)Recalled from the IRC, not verified this session. | 151 | inches | Estimate |
| Handrail height (IRC R311.7.8.1)Recalled from the IRC, not verified this session. | 34 – 38 | inches | Estimate |
Tile
| Item | Range | Unit | Source |
|---|---|---|---|
| Ceramic tile, materialTypical is an estimate. | $0.5 – $7 | per sq ft | Flooring Clarity — porcelain vs ceramic tile |
| Porcelain tile, materialTypical is an estimate. | $3 – $25 | per sq ft | Flooring Clarity — porcelain vs ceramic tile |
| Tile installation (floor/wall), installedLabor alone runs $8–$20/sq ft. | $10 – $50 | per sq ft | HomeGuide (2026) — tile installation cost |
| Thinset coverage, 50 lb bag, 1/4 x 1/4 in square notch | 85 – 95 | sq ft per bag | Custom Building Products (CustomBlend) — customblend economical non modified thin set mortar |
| Thinset coverage, 50 lb bag, 1/4 x 3/8 in square notch | 60 – 67 | sq ft per bag | Custom Building Products (CustomBlend) — customblend economical non modified thin set mortar |
| Thinset coverage, 50 lb bag, 1/2 x 1/2 in notch (large format) | 40 – 50 | sq ft per bag | Estimate |
Windows
| Item | Range | Unit | Source |
|---|---|---|---|
| Vinyl replacement window (double-hung), installedTypical is an estimate. Angi gives $100–$900 for vinyl units before labor. | $200 – $1,500 | per window | HomeGuide (2026) — window replacement cost |
| Wood replacement window, installed | $800 – $3,800 | per window | HomeGuide (2026) — window replacement cost |
| Fiberglass replacement window, installed | $400 – $2,000 | per window | HomeGuide (2026) — window replacement cost |
| Average window replacement (all types)Low and high are estimates. The $750 average is from Angi. | $300 – $1,500 | per window | Angi (2026) — how much does window replacement cost |
| Window installation labor onlyAbout $50–$65/hr. Upper-story or structural work can reach $600+. | $100 – $300 | per window | Angi (2026) — how much does window replacement cost |