Estimating additions and ADUs in Greenville, SC
Prices for additions and ADUs in Greenville, SC, how they compare with the national median and what to know when bidding here, for remodeling contractors.
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Room addition prices in Greenville
Q4 2026 pricing. Ranges are rounded to the nearest $50, or $100 from $5,000 up.
1 story over a basement
$40,100 to $266,700
150 to 1,000 square feet
National median: $45,700 to $302,100.
2 story over a basement
$61,500 to $414,300
150 to 1,000 square feet
National median: $69,300 to $464,400.
How Greenville compares
Across the work in the cost data, Greenville prices run 10% below the national median.
More work in Greenville
- 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 Greenville, SCEvery category, against the national median.
- Additions and ADUs nationallyNational ranges, cost drivers and the estimate's structure.
Estimate additions and ADUs with Greenville prices
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