Basement Finishing Cost by City (2026)

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Basement finishing including framing, drywall, flooring, electrical, and plumbing. Pricing varies meaningfully by city — coastal metros run 30-60% above the national average while affordable Sun Belt and Midwest markets run 5-20% below.

National avg
$22,000
Budget
$8,000
High-end
$55,000
43 cities covered
Close-up of finished basement corner with LVP and egress window
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Cost breakdown — national average basement finishing

Framing & drywall
25%
$5,500
Flooring
15%
$3,300
Electrical
15%
$3,300
Plumbing
12%
$2,600
Egress windows
10%
$2,200
HVAC extension
$1,800
Insulation
$1,800
Permits & design
$1,500

Most and least expensive cities

Most expensive

  1. 1.San Francisco, CA$34,800
  2. 2.San Jose, CA$33,400
  3. 3.New York, NY$32,800
  4. 4.Brooklyn, NY$31,200
  5. 5.Los Angeles, CA$30,100

Least expensive

  1. 1.Augusta, GA$18,000
  2. 2.El Paso, TX$18,000
  3. 3.Rochester, NY$19,400
  4. 4.Tucson, AZ$19,400
  5. 5.Columbus, OH$19,600

All 43 cities

New York

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New York, NY
Avg: $32,800 · $10,700–$94,200
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Brooklyn, NY
Avg: $31,200 · $10,200–$89,800
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Buffalo, NY
Avg: $20,200 · $6,600–$58,200
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Rochester, NY
Avg: $19,400 · $6,300–$55,700

California

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Los Angeles, CA
Avg: $30,100 · $9,900–$86,700
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San Diego, CA
Avg: $28,200 · $9,200–$81,000
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San Jose, CA
Avg: $33,400 · $10,900–$96,100
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San Francisco, CA
Avg: $34,800 · $11,400–$99,900
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Sacramento, CA
Avg: $26,000 · $8,500–$74,600

Illinois

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Chicago, IL
Avg: $26,200 · $8,600–$75,300
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Aurora, IL
Avg: $23,800 · $7,800–$68,300
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Naperville, IL
Avg: $26,800 · $8,800–$77,200

Texas

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Houston, TX
Avg: $21,300 · $7,000–$61,400
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San Antonio, TX
Avg: $19,800 · $6,500–$56,900
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Dallas, TX
Avg: $22,200 · $7,300–$63,900
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Austin, TX
Avg: $24,000 · $7,800–$68,900
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Fort Worth, TX
Avg: $21,600 · $7,100–$62,000
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El Paso, TX
Avg: $18,000 · $5,900–$51,900

Arizona

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Phoenix, AZ
Avg: $20,900 · $6,800–$60,100
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Tucson, AZ
Avg: $19,400 · $6,300–$55,700
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Scottsdale, AZ
Avg: $24,600 · $8,100–$70,800

Pennsylvania

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Philadelphia, PA
Avg: $25,100 · $8,200–$72,100

Florida

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Jacksonville, FL
Avg: $20,900 · $6,800–$60,100
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Miami, FL
Avg: $24,600 · $8,100–$70,800
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Tampa, FL
Avg: $23,100 · $7,600–$66,400
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Orlando, FL
Avg: $22,400 · $7,300–$64,500
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Fort Lauderdale, FL
Avg: $25,300 · $8,300–$72,700

Ohio

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Columbus, OH
Avg: $19,600 · $6,400–$56,300

North Carolina

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Charlotte, NC
Avg: $20,500 · $6,700–$58,800

Washington

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Seattle, WA
Avg: $26,800 · $8,800–$77,200

Colorado

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Denver, CO
Avg: $23,800 · $7,800–$68,300
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Colorado Springs, CO
Avg: $22,000 · $7,200–$63,200
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Aurora, CO
Avg: $22,900 · $7,500–$65,800

Massachusetts

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Boston, MA
Avg: $29,700 · $9,700–$85,400

Tennessee

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Nashville, TN
Avg: $21,100 · $6,900–$60,700

Oregon

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Portland, OR
Avg: $25,300 · $8,300–$72,700

Michigan

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Detroit, MI
Avg: $20,000 · $6,600–$57,600

Georgia

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Atlanta, GA
Avg: $21,600 · $7,100–$62,000
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Augusta, GA
Avg: $18,000 · $5,900–$51,900
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Savannah, GA
Avg: $19,800 · $6,500–$56,900
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Marietta, GA
Avg: $22,400 · $7,300–$64,500

Minnesota

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Minneapolis, MN
Avg: $23,100 · $7,600–$66,400

Virginia

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Richmond, VA
Avg: $20,700 · $6,800–$59,500

Frequently asked questions

Basement finishing averages $22,000 nationally for a 600 sq ft basement in 2026. Budget builds start near $8,000; mid-range with bath runs $25,000-$40,000; premium finished basements with kitchenette and full bath reach $55,000+. Per-square-foot $25-$90 depending on finish level.