How Much Does Basement Waterproofing Cost?
Updated for 2026 — national average costs with state-by-state breakdowns
Low End
$2,000
Average
$5,000
High End
$10,000
per project
What Does Basement Waterproofing Include?
Basement waterproofing prevents water intrusion through foundation walls and floors. Methods include interior drainage systems, exterior excavation, sump pumps, and sealants.
The national average cost for basement waterproofing is $5,000 per project. Most homeowners pay between $2,000 and $10,000, though costs can vary significantly based on your location, the scope of work, and other factors outlined below.
What Affects the Price?
Method
Interior sealant: $500-$2,000. Interior drainage + sump: $3,000-$8,000. Exterior excavation: $8,000-$15,000
Sump Pump
New sump pump installation: $500-$1,200
Key Cost Factors
- ✓Waterproofing method
- ✓Severity of water issue
- ✓Basement size
- ✓Foundation type
- ✓Landscaping impact
💡 Tips to Save Money
- 1.Interior waterproofing is cheaper than exterior excavation
- 2.Fix grading and gutters first — many moisture issues are solved by directing water away from the foundation
- 3.Get a professional assessment before committing to expensive solutions
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📈 Basement Waterproofing Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
$4,247
2022
$4,425
2023
$4,713
2024
$4,845
2025
$5,000
2026
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $4,247 | — |
| 2023 | $4,425 | +4.2% |
| 2024 | $4,713 | +6.5% |
| 2025 | $4,845 | +2.8% |
| 2026 | $5,000 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
Basement Waterproofing Cost by State
Costs vary significantly by state due to labor rates, cost of living, and local market conditions. Click any state for a detailed breakdown.
| State | Low | Average | High |
|---|---|---|---|
| Alabama | $1,640 | $4,100 | $8,200 |
| Alaska | $2,560 | $6,400 | $12,800 |
| Arizona | $1,900 | $4,750 | $9,500 |
| Arkansas | $1,600 | $4,000 | $8,000 |
| California | $2,700 | $6,750 | $13,500 |
| Colorado | $2,160 | $5,400 | $10,800 |
| Connecticut | $2,440 | $6,100 | $12,200 |
| Delaware | $2,100 | $5,250 | $10,500 |
| District of Columbia | $2,500 | $6,250 | $12,500 |
| Florida | $1,960 | $4,900 | $9,800 |
| Georgia | $1,800 | $4,500 | $9,000 |
| Hawaii | $2,840 | $7,100 | $14,200 |
| Idaho | $1,840 | $4,600 | $9,200 |
| Illinois | $2,100 | $5,250 | $10,500 |
| Indiana | $1,760 | $4,400 | $8,800 |
| Iowa | $1,720 | $4,300 | $8,600 |
| Kansas | $1,700 | $4,250 | $8,500 |
| Kentucky | $1,680 | $4,200 | $8,400 |
| Louisiana | $1,740 | $4,350 | $8,700 |
| Maine | $2,040 | $5,100 | $10,200 |
| Maryland | $2,300 | $5,750 | $11,500 |
| Massachusetts | $2,600 | $6,500 | $13,000 |
| Michigan | $1,840 | $4,600 | $9,200 |
| Minnesota | $2,040 | $5,100 | $10,200 |
| Mississippi | $1,560 | $3,900 | $7,800 |
| Missouri | $1,740 | $4,350 | $8,700 |
| Montana | $1,900 | $4,750 | $9,500 |
| Nebraska | $1,760 | $4,400 | $8,800 |
| Nevada | $2,040 | $5,100 | $10,200 |
| New Hampshire | $2,240 | $5,600 | $11,200 |
| New Jersey | $2,500 | $6,250 | $12,500 |
| New Mexico | $1,800 | $4,500 | $9,000 |
| New York | $2,640 | $6,600 | $13,200 |
| North Carolina | $1,800 | $4,500 | $9,000 |
| North Dakota | $1,800 | $4,500 | $9,000 |
| Ohio | $1,800 | $4,500 | $9,000 |
| Oklahoma | $1,660 | $4,150 | $8,300 |
| Oregon | $2,200 | $5,500 | $11,000 |
| Pennsylvania | $2,040 | $5,100 | $10,200 |
| Rhode Island | $2,300 | $5,750 | $11,500 |
| South Carolina | $1,740 | $4,350 | $8,700 |
| South Dakota | $1,700 | $4,250 | $8,500 |
| Tennessee | $1,720 | $4,300 | $8,600 |
| Texas | $1,860 | $4,650 | $9,300 |
| Utah | $1,900 | $4,750 | $9,500 |
| Vermont | $2,160 | $5,400 | $10,800 |
| Virginia | $2,100 | $5,250 | $10,500 |
| Washington | $2,300 | $5,750 | $11,500 |
| West Virginia | $1,600 | $4,000 | $8,000 |
| Wisconsin | $1,880 | $4,700 | $9,400 |
| Wyoming | $1,840 | $4,600 | $9,200 |
Frequently Asked Questions
Does basement waterproofing increase home value?
Yes. A dry basement protects the foundation and adds usable space, both of which increase value. It also prevents mold, which is a major health concern for buyers.
🏙️ Basement Waterproofing Cost by City
Compare basement waterproofing costs in the most popular US cities:
New York City
NY
$7,250
Los Angeles
CA
$6,900
Chicago
IL
$5,750
Houston
TX
$4,750
Phoenix
AZ
$4,900
Philadelphia
PA
$5,600
San Antonio
TX
$4,400
San Diego
CA
$6,600
Dallas
TX
$5,100
San Jose
CA
$7,600
Austin
TX
$5,250
Jacksonville
FL
$4,600
Fort Worth
TX
$4,750
Columbus
OH
$4,500
Charlotte
NC
$4,750
Indianapolis
IN
$4,400
View all 219 cities →
San Francisco, CA
$7,750
Seattle, WA
$6,500
Denver, CO
$5,750
Washington D.C., DC
$6,750
Nashville, TN
$5,000
Oklahoma City, OK
$4,100
El Paso, TX
$4,100
Boston, MA
$7,000
Portland, OR
$5,900
Las Vegas, NV
$5,100
Memphis, TN
$4,100
Louisville, KY
$4,250
Baltimore, MD
$5,500
Milwaukee, WI
$4,600
Albuquerque, NM
$4,400
Tucson, AZ
$4,400
Fresno, CA
$5,250
Sacramento, CA
$5,900
Mesa, AZ
$4,750
Kansas City, MO
$4,500
Atlanta, GA
$5,250
Omaha, NE
$4,400
Colorado Springs, CO
$5,100
Raleigh, NC
$4,900
Long Beach, CA
$6,750
Virginia Beach, VA
$5,250
Miami, FL
$6,000
Oakland, CA
$7,250
Minneapolis, MN
$5,400
Tampa, FL
$5,100
Tulsa, OK
$4,100
Arlington, TX
$4,750
New Orleans, LA
$4,750
Pittsburgh, PA
$4,750
St. Louis, MO
$4,400
Bakersfield, CA
$5,100
Anaheim, CA
$6,750
Honolulu, HI
$7,500
Santa Ana, CA
$6,600
Riverside, CA
$5,750
Corpus Christi, TX
$4,250
Lexington, KY
$4,400
Stockton, CA
$5,500
Henderson, NV
$5,100
St. Paul, MN
$5,250
Cincinnati, OH
$4,400
Anchorage, AK
$6,400
Greensboro, NC
$4,400
Plano, TX
$5,250
Newark, NJ
$6,250
Lincoln, NE
$4,250
Orlando, FL
$5,100
Irvine, CA
$7,000
Durham, NC
$4,750
Chula Vista, CA
$6,400
Toledo, OH
$4,100
Fort Wayne, IN
$4,100
Jersey City, NJ
$6,750
St. Petersburg, FL
$5,100
Laredo, TX
$4,000
Madison, WI
$4,900
Chandler, AZ
$4,900
Buffalo, NY
$4,600
Lubbock, TX
$4,100
Scottsdale, AZ
$5,600
Reno, NV
$5,250
Glendale, AZ
$4,750
Gilbert, AZ
$5,100
Winston-Salem, NC
$4,250
North Las Vegas, NV
$4,900
Norfolk, VA
$4,900
Chesapeake, VA
$5,100
Irving, TX
$5,000
Fremont, CA
$7,250
Richmond, VA
$4,900
Boise, ID
$4,900
San Bernardino, CA
$5,400
Spokane, WA
$4,750
Des Moines, IA
$4,250
Tacoma, WA
$5,750
Modesto, CA
$5,250
Fontana, CA
$5,500
Moreno Valley, CA
$5,400
Fayetteville, NC
$4,250
Birmingham, AL
$4,100
Rochester, NY
$4,600
Salt Lake City, UT
$5,250
Oxnard, CA
$6,100
Knoxville, TN
$4,250
Worcester, MA
$5,750
Brownsville, TX
$3,900
Grand Rapids, MI
$4,500
Newport News, VA
$4,750
Huntsville, AL
$4,250
Amarillo, TX
$4,100
Little Rock, AR
$4,100
Montgomery, AL
$4,000
Akron, OH
$4,100
Augusta, GA
$4,100
Baton Rouge, LA
$4,250
Mobile, AL
$4,000
Shreveport, LA
$4,000
Tallahassee, FL
$4,500
Hartford, CT
$5,750
Providence, RI
$5,600
Charleston, SC
$4,900
Savannah, GA
$4,400
Columbia, SC
$4,250
Chattanooga, TN
$4,250
Fort Lauderdale, FL
$5,900
Dayton, OH
$4,100
Sioux Falls, SD
$4,250
Springfield, MO
$4,000
Jackson, MS
$3,900
Palm Bay, FL
$4,750
Lakeland, FL
$4,600
Cape Coral, FL
$4,900
Pensacola, FL
$4,400
Port St. Lucie, FL
$4,900
Naperville, IL
$5,750
Tempe, AZ
$5,000
Overland Park, KS
$4,750
McKinney, TX
$5,100
Frisco, TX
$5,250
Cary, NC
$5,100
Clarksville, TN
$4,250
Cedar Rapids, IA
$4,100
Peoria, AZ
$4,900
Surprise, AZ
$4,750
Denton, TX
$4,900
Roseville, CA
$5,750
Gainesville, FL
$4,400
Bellevue, WA
$7,000
Murfreesboro, TN
$4,600
Round Rock, TX
$5,100
Columbia, MD
$5,750
Boulder, CO
$6,250
Ann Arbor, MI
$5,500
Santa Fe, NM
$5,250
Wilmington, NC
$4,600
Greenville, SC
$4,400
Fargo, ND
$4,250
Provo, UT
$4,900
Duluth, MN
$4,400
Billings, MT
$4,600
Missoula, MT
$4,900
Cheyenne, WY
$4,400
Burlington, VT
$5,400
Portland, ME
$5,400
Concord, NH
$5,250
Bismarck, ND
$4,250
Rapid City, SD
$4,250
Casper, WY
$4,400
Bangor, ME
$4,750
Charleston, WV
$4,000
Dover, DE
$4,900
Manchester, NH
$5,400
Bridgeport, CT
$6,000
Stamford, CT
$6,750
Wichita, KS
$4,100
Topeka, KS
$4,000
Springfield, IL
$4,250
Rockford, IL
$4,250
Erie, PA
$4,100
Scranton, PA
$4,250
Flint, MI
$3,900
Lansing, MI
$4,250
Syracuse, NY
$4,400
Albany, NY
$4,750
Eugene, OR
$5,250
Salem, OR
$5,100
Fort Collins, CO
$5,500
Pueblo, CO
$4,250
Aurora, CO
$5,400
Santa Barbara, CA
$7,000
Santa Rosa, CA
$6,400
Pasadena, CA
$6,900
Visalia, CA
$5,000
Pomona, CA
$5,900
Myrtle Beach, SC
$4,400
Daytona Beach, FL
$4,600
Sarasota, FL
$5,250
Naples, FL
$5,900
Ocala, FL
$4,250
Athens, GA
$4,250
Macon, GA
$4,000
Lexington, SC
$4,250
Asheville, NC
$5,100
Flagstaff, AZ
$5,400
Rochester, NY
$4,600
New Haven, CT
$5,400
Manchester, NH
$5,250
Augusta, GA
$4,100
Fort Myers, FL
$4,900
Wilmington, NC
$4,750
Arlington, VA
$6,500
Green Bay, WI
$4,250
South Bend, IN
$4,100
Bend, OR
$5,600
Bellingham, WA
$5,500
Midland, TX
$4,750
Waco, TX
$4,100
Newark, NJ
$6,000
Related Cost Guides
💬 What Did You Pay?
Real costs reported by homeowners for Basement Waterproofing
$5,047
Avg Reported
$3,533
Lowest Reported
$7,318
Highest Reported
Recent Reports
$4,048
Dallas, TX · Jan 2026
★★★☆☆
$5,670
Chicago, IL · Feb 2026
★★★★☆
$4,180
Phoenix, AZ · Mar 2026
★★★★★
$6,160
Denver, CO · Apr 2026
★★★☆☆
$4,370
Atlanta, GA · May 2026
★★★★☆
$6,588
Seattle, WA · Jun 2026
★★★★★
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