Construction Project Costs — 2026 Guide
How much does it cost to build? Cost ranges for 30+ project types with detailed breakdowns, timelines, and ROI data.
living
Residential Interior
(7)kitchen
Kitchen Remodel
$15K-$75K
schedule4-8 weeksarrow_forwardDetails
bathroom
Bathroom Remodel
$8K-$40K
schedule3-6 weeksarrow_forwardDetails
foundation
Basement Finishing
$18K-$75K
schedule6-12 weeksarrow_forwardDetails
roofing
Attic Conversion
$20K-$90K
schedule6-10 weeksarrow_forwardDetails
grid_on
Flooring Installation
$3K-$18K
schedule1-3 weeksarrow_forwardDetails
format_paint
Interior Painting
$2K-$12K
schedule3-7 daysarrow_forwardDetails
wall
Drywall Installation & Repair
$2K-$12K
schedule2-5 daysarrow_forwardDetails
roofing
Residential Exterior
(7)roofing
Roof Replacement
$8K-$30K
schedule2-5 daysarrow_forwardDetails
cottage
Siding Replacement
$7K-$35K
schedule1-3 weeksarrow_forwardDetails
deck
Deck Building
$5K-$35K
schedule1-4 weeksarrow_forwardDetails
fence
Fence Installation
$2K-$12K
schedule2-5 daysarrow_forwardDetails
road
Driveway Paving
$3K-$18K
schedule2-7 daysarrow_forwardDetails
window
Window Replacement
$5K-$25K
schedule1-3 daysarrow_forwardDetails
garage
Garage Door Replacement
$800-$5K
schedule4-8 hoursarrow_forwardDetails
add_home
Residential Additions
(5)add_home
Room Addition
$30K-$120K
schedule8-16 weeksarrow_forwardDetails
other_houses
ADU (Accessory Dwelling Unit)
$80K-$300K
schedule4-8 monthsarrow_forwardDetails
garage
Garage Construction
$20K-$65K
schedule4-8 weeksarrow_forwardDetails
wb_sunny
Sunroom Addition
$15K-$80K
schedule4-8 weeksarrow_forwardDetails
stacked_line_chart
Second Story Addition
$100K-$350K
schedule4-8 monthsarrow_forwardDetails
house
New Construction
(4)business
Commercial
(4)business
Office Buildout
$40K-$200K
schedule4-12 weeksarrow_forwardDetails
restaurant
Restaurant Buildout
$100K-$500K
schedule8-16 weeksarrow_forwardDetails
storefront
Retail Tenant Improvement
$25K-$150K
schedule4-10 weeksarrow_forwardDetails
warehouse
Warehouse Construction
$250K-$1.2M
schedule4-10 monthsarrow_forwardDetails
landscape
Site Work
(5)square
Concrete Slab
$3K-$15K
schedule2-5 daysarrow_forwardDetails
view_column
Retaining Wall
$4K-$20K
schedule3-10 daysarrow_forwardDetails
landscape
Grading & Excavation
$2K-$15K
schedule1-5 daysarrow_forwardDetails
water_drop
Septic System
$5K-$25K
schedule3-7 daysarrow_forwardDetails
water_pump
Well Drilling
$5K-$25K
schedule1-3 days (drilling) + 1-2 weeks (pump and connection)arrow_forwardDetails
info
Methodology
Costs based on national averages from RSMeans, HomeAdvisor, and contractor surveys. Actual costs vary by region, scope, and market conditions. Low = budget/DIY, Mid = standard contractor, High = premium materials and finishes, Luxury = custom/high-end. All prices reflect 2026 market rates.