Estimating additions and ADUs in Jacksonville, FL
Prices for additions and ADUs in Jacksonville, FL, how they compare with the national median and what to know when bidding here, for remodeling contractors.
Start your 30-day free trial
No contract. No setup fees. Cancel anytime.
Room addition prices in Jacksonville
Q4 2026 pricing. Ranges are rounded to the nearest $50, or $100 from $5,000 up.
1 story over a basement
$39,100 to $260,000
150 to 1,000 square feet
National median: $45,700 to $302,100.
2 story over a basement
$60,100 to $405,800
150 to 1,000 square feet
National median: $69,300 to $464,400.
How Jacksonville compares
Across the work in the cost data, Jacksonville prices run 12% below the national median.
More work in Jacksonville
- Kitchen remodelsCabinets, countertops, appliances and finishes.
- Bathroom remodelsTile, fixtures, vanities and plumbing rough-ins.
- GaragesOne and two car garages, framed and sided.
- Decks and porchesFraming, decking, railings and stairs.
- PaintingInterior and exterior, by surface area and substrate.
- Electrical workService upgrades, rough-ins, fixtures and finish work.
- All of Jacksonville, FLEvery category, against the national median.
- Additions and ADUs nationallyNational ranges, cost drivers and the estimate's structure.
Estimate additions and ADUs with Jacksonville prices
No contract. No setup fees. Cancel anytime.