Direct source lookup
How the basement calculator works
The selected option maps to one registered Angi value ID for 500, 750, 1,000, 1,500, or 2,000 square feet. The function returns that row's low and high values without additional arithmetic.
It does not accept arbitrary areas, multiply a unit range, blend This Old House, or apply location, quality, waterproofing, bathroom, kitchenette, permit, or structural adjustments.