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Written and reviewed by the CostBrick editorial team · Last updated 2026-10-28 · How we calculate · Estimates are planning ranges, not quotes.

2026 U.S. Home Project Cost Index

Planning ranges for 19 common home projects, adjusted by state cost multipliers. Every range is built from published contractor price ranges and a state labor/material multiplier — not from a single contractor quote. Use it to sanity-check bids before you hire.

Last updated: 2026-11-04 · Methodology

National planning ranges

ProjectBasisNational rangeState-adjusted range
Oil Change CostConventional · 1 service$35 – $75$30 – $109
Car Battery Replacement CostStandard lead-acid · 1 battery$120 – $250$102 – $362
Garage Door Repair CostSpring replacement · 1 per job$150 – $389$128 – $564
Tree Removal CostSmall (under 30 ft) · 1 tree$204 – $525$173 – $761
Garage Door Replacement CostSingle steel door · 1 project$816 – $2,080$694 – $3,016
Water Heater Replacement CostElectric tank (40–50 gal) · 1 project$1,236 – $2,675$1,051 – $3,879
Driveway Installation CostGravel / crushed stone · 1 project$1,530 – $4,200$1,300 – $6,090
Attic Insulation CostBlown-in fiberglass · 1,000 sq ft$1,575 – $3,780$1,339 – $5,481
Concrete Slab Cost4-inch slab (400 sq ft) · 1 project$2,472 – $5,088$2,101 – $7,378
Fence Installation CostWood privacy (6 ft) · 1 project$2,550 – $6,300$2,168 – $9,135
Furnace Replacement CostGas furnace · 1 system$3,090 – $8,480$2,626 – $12,296
AC Replacement CostCentral AC only · 1 system$3,605 – $9,010$3,064 – $13,064
HVAC Replacement CostCentral AC only · 1 project$3,605 – $9,010$3,064 – $13,064
Window Replacement CostVinyl · 1 project$4,080 – $12,480$3,468 – $18,096
Deck Installation CostPressure-treated wood · 1 project$5,150 – $12,720$4,378 – $18,444
Roof Replacement CostAsphalt shingle · 1 project$5,665 – $14,840$4,815 – $21,518
Siding Replacement CostVinyl · 1,800 per sq ft of wall$6,489 – $15,264$5,516 – $22,133
Solar Panel Cost4 kW (small home) · 1 project$10,200 – $14,700$8,670 – $21,315
Basement Finishing CostBasic Finish · 1,000 per sq ft$25,750 – $42,400$21,888 – $61,480

“State-adjusted” shows the cheapest and most expensive state multiplier applied to the same scope. Open any project for the interactive calculator and a line-item breakdown.

State cost multipliers

Multipliers scale national ranges for local labor and material costs. 1.00× is the national baseline.

StateMultiplier
California1.45×
Hawaii1.45×
Alaska1.40×
Massachusetts1.32×
Connecticut1.30×
New York1.30×
New Jersey1.28×
Rhode Island1.28×
Washington1.28×
District of Columbia1.25×
New Hampshire1.22×
Oregon1.22×
Vermont1.20×
Maine1.18×
Colorado1.15×
Nevada1.12×
Pennsylvania1.12×
Maryland1.10×
Delaware1.08×
Arizona1.05×
Florida1.05×
Utah1.05×
Illinois1.02×
Minnesota1.02×
Virginia1.02×
Idaho1.00×
Montana1.00×
Wyoming1.00×
North Carolina0.98×
Texas0.98×
Wisconsin0.98×
Georgia0.95×
Michigan0.95×
New Mexico0.95×
North Dakota0.95×
Ohio0.92×
South Carolina0.92×
Tennessee0.92×
West Virginia0.92×
Indiana0.90×
Iowa0.90×
Louisiana0.90×
Nebraska0.90×
South Dakota0.90×
Alabama0.88×
Kansas0.88×
Kentucky0.88×
Missouri0.88×
Oklahoma0.88×
Arkansas0.85×
Mississippi0.85×

How to use this index

  1. Find your project and note the national range.
  2. Multiply by your state multiplier (or use the state page calculator).
  3. Compare at least three itemized contractor quotes against the range.
  4. Ask what is excluded: permits, disposal, removal, code upgrades, financing.

This index is free and does not require an email. Ranges are planning estimates, not bids.

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