Basement remodel cost calculator

Estimate a basement finishing or remodel cost by size and finish level. Free and instant.

Finish level

Quality finishes, some changes

Size: sq ft of basement700 sq ft

Estimated basement remodel cost

$35,000 – $63,000

$50–$90 per sq ft · mid-range finish

Where it goes (typical split)

Framing & drywall$10,800
Labor$9,800
Flooring$6,900
Electrical & lighting$5,900
Plumbing / bath rough-in$5,900
HVAC & egress$4,900
Waterproofing & prep$4,900

Estimate only: typical US ranges, not a quote. Actual cost depends on your contractor, region, and scope.

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How much does a basement remodel cost?

A typical basement remodel of about 700 sq ft of basement runs $17,500–$108,500 depending on finish level. The number mostly hinges on whether the space is already dry (waterproofing needs). Here is the typical US range by finish tier:

Finish level Cost per sq ft Typical total (700 sq ft)
Budget $25–$50 $17,500–$35,000
Mid-range $50–$90 $35,000–$63,000
High-end $90–$155 $63,000–$108,500

Typical US figures by finish tier: a planning range, not a quote.

Where the money goes

On a mid-range basement remodel (around $49,000), here is roughly how the budget splits across the main line items. Framing & drywall is the biggest single cost in most basement projects.

Line item Share Typical cost
Framing & drywall 22% $10,800
Labor 20% $9,800
Flooring 14% $6,900
Electrical & lighting 12% $5,900
Plumbing / bath rough-in 12% $5,900
HVAC & egress 10% $4,900
Waterproofing & prep 10% $4,900

Common basement projects and what they cost

Most basement budgets are a handful of discrete projects rather than one big job. Typical US ranges, installed:

Project Typical cost Notes
Waterproofing / moisture fix $500–$5,000 Sealing and grading at the low end, interior drain systems at the high end
Egress window, installed $2,500–$6,000 Required for a legal basement bedroom
Basement bathroom addition $8,000–$25,000 Rough-in plus finish; ejector pump adds cost below grade
Drop ceiling vs drywall ceiling $1,500–$6,000 For ~700 sq ft; drywall costs more but gains height

What drives a basement remodel cost

A basement remodel is really a mini construction project: framing, insulation, drywall, electrical, and flooring over a concrete shell. Budget jobs finish an already-dry space with an open layout; high-end jobs add a bathroom, a wet bar, egress windows, and a separate bedroom. Moisture is the deal-breaker: fix any water issue before finishing, because everything you install sits on top of that problem.

  • ▸Whether the space is already dry (waterproofing needs)
  • ▸Adding a bathroom or wet bar (plumbing rough-in)
  • ▸Egress windows for a legal bedroom
  • ▸Ceiling height workarounds and ductwork rerouting

Common questions

How much does a basement remodel cost?
A typical basement remodel of about 700 sq ft of basement runs $17,500–$35,000 for budget work, $35,000–$63,000 mid-range, and $63,000–$108,500 high-end: roughly $17,500 to $108,500 overall. Use the calculator to plug in your exact size and finish level.

What is the average basement remodel cost per square foot?
For a basement, expect about $25–$50 per sq ft at the budget tier, $50–$90 mid-range, and $90–$155 high-end. At a typical 700 sq ft of basement that works out to the totals in the table above.

How accurate is this basement estimate?
Treat it as a planning range for a basement, not a quote. The per-square-foot figures are typical US basement costs by finish tier; your real number swings with adding a bathroom or wet bar (plumbing rough-in), your region, and your contractor. It gets you in the ballpark before you call anyone.

What is the biggest cost in a basement remodel?
In a basement it is usually whether the space is already dry (waterproofing needs): framing & drywall alone is around 22% of the budget ($10,800 on a mid-range job). The full breakdown above shows where every dollar goes.

How can I lower my basement remodel cost?
On a basement, keep framing & drywall modest, reuse the existing layout, and pick budget-tier finishes on the big-ticket items. The fastest way to overspend is adding a bathroom or wet bar (plumbing rough-in) (avoid that and you stay in the budget-to-mid range).

Does finishing a basement add home value?
Generally yes: finished basements recoup a healthy share of their cost at resale and add usable square footage cheaper than any addition. Note that below-grade space is usually appraised at a lower rate per square foot than above-grade rooms.

Can I see what my basement would look like remodeled?
Yes. Our AI redesign tool regenerates a photo of your basement in any style so you can see the result before you spend anything.

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