How Much Does Bathroom Addition Cost?
Updated for 2026 — national average costs with state-by-state breakdowns
Low End
$15,000
Average
$30,000
High End
$50,000
per bathroom
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What Does Bathroom Addition Include?
Adding a new bathroom to your home involves plumbing, electrical, framing, flooring, fixtures, and finishing. A half bath is significantly cheaper than a full bathroom with shower/tub.
The national average cost for bathroom addition is $30,000 per bathroom. Most homeowners pay between $15,000 and $50,000, though costs can vary significantly based on your location, the scope of work, and other factors outlined below.
What Affects the Price?
Type
Half bath: $10K-$25K. Full bath: $20K-$50K. Master suite: $35K-$75K
Plumbing
Near existing plumbing: saves $2K-$5K vs running new lines across the house
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Key Cost Factors
- ✓Half bath vs full bath
- ✓Location in home
- ✓Plumbing complexity
- ✓Fixture quality
- ✓Accessibility features
- ✓Permits
💡 Tips to Save Money
- 1.A half bath costs 40-60% less than a full bath
- 2.Building near existing plumbing (above a basement bathroom) saves significantly
- 3.Standard fixtures from big box stores keep costs down
- 4.Consider converting a closet into a half bath for the simplest option
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📈 Bathroom Addition Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
$25,482
2020
$26,552
2021
$28,278
2022
$29,070
2023
$30,000
2024
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $25,482 | — |
| 2021 | $26,552 | +4.2% |
| 2022 | $28,278 | +6.5% |
| 2023 | $29,070 | +2.8% |
| 2024 | $30,000 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
Bathroom Addition 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 | $12,300 | $24,600 | $41,000 |
| Alaska | $19,200 | $38,400 | $64,000 |
| Arizona | $14,250 | $28,500 | $47,500 |
| Arkansas | $12,000 | $24,000 | $40,000 |
| California | $20,250 | $40,500 | $67,500 |
| Colorado | $16,200 | $32,400 | $54,000 |
| Connecticut | $18,300 | $36,600 | $61,000 |
| Delaware | $15,750 | $31,500 | $52,500 |
| Florida | $14,700 | $29,400 | $49,000 |
| Georgia | $13,500 | $27,000 | $45,000 |
| Hawaii | $21,300 | $42,600 | $71,000 |
| Idaho | $13,800 | $27,600 | $46,000 |
| Illinois | $15,750 | $31,500 | $52,500 |
| Indiana | $13,200 | $26,400 | $44,000 |
| Iowa | $12,900 | $25,800 | $43,000 |
| Kansas | $12,750 | $25,500 | $42,500 |
| Kentucky | $12,600 | $25,200 | $42,000 |
| Louisiana | $13,050 | $26,100 | $43,500 |
| Maine | $15,300 | $30,600 | $51,000 |
| Maryland | $17,250 | $34,500 | $57,500 |
| Massachusetts | $19,500 | $39,000 | $65,000 |
| Michigan | $13,800 | $27,600 | $46,000 |
| Minnesota | $15,300 | $30,600 | $51,000 |
| Mississippi | $11,700 | $23,400 | $39,000 |
| Missouri | $13,050 | $26,100 | $43,500 |
| Montana | $14,250 | $28,500 | $47,500 |
| Nebraska | $13,200 | $26,400 | $44,000 |
| Nevada | $15,300 | $30,600 | $51,000 |
| New Hampshire | $16,800 | $33,600 | $56,000 |
| New Jersey | $18,750 | $37,500 | $62,500 |
| New Mexico | $13,500 | $27,000 | $45,000 |
| New York | $19,800 | $39,600 | $66,000 |
| North Carolina | $13,500 | $27,000 | $45,000 |
| North Dakota | $13,500 | $27,000 | $45,000 |
| Ohio | $13,500 | $27,000 | $45,000 |
| Oklahoma | $12,450 | $24,900 | $41,500 |
| Oregon | $16,500 | $33,000 | $55,000 |
| Pennsylvania | $15,300 | $30,600 | $51,000 |
| Rhode Island | $17,250 | $34,500 | $57,500 |
| South Carolina | $13,050 | $26,100 | $43,500 |
| South Dakota | $12,750 | $25,500 | $42,500 |
| Tennessee | $12,900 | $25,800 | $43,000 |
| Texas | $13,950 | $27,900 | $46,500 |
| Utah | $14,250 | $28,500 | $47,500 |
| Vermont | $16,200 | $32,400 | $54,000 |
| Virginia | $15,750 | $31,500 | $52,500 |
| Washington | $17,250 | $34,500 | $57,500 |
| West Virginia | $12,000 | $24,000 | $40,000 |
| Wisconsin | $14,100 | $28,200 | $47,000 |
| Wyoming | $13,800 | $27,600 | $46,000 |
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Frequently Asked Questions
Does adding a bathroom increase home value?
Yes — adding a full bathroom can increase home value by 10-20%. A half bath adds 5-10%. One of the best ROI home improvements.
🏙️ Bathroom Addition Cost by City
Compare bathroom addition costs in the most popular US cities:
New York City
NY
$43,500
Los Angeles
CA
$41,400
Chicago
IL
$34,500
Houston
TX
$28,500
Phoenix
AZ
$29,400
Philadelphia
PA
$33,600
San Antonio
TX
$26,400
San Diego
CA
$39,600
Dallas
TX
$30,600
San Jose
CA
$45,600
Austin
TX
$31,500
Jacksonville
FL
$27,600
Fort Worth
TX
$28,500
Columbus
OH
$27,000
Charlotte
NC
$28,500
Indianapolis
IN
$26,400
View all 219 cities →
San Francisco, CA
$46,500
Seattle, WA
$39,000
Denver, CO
$34,500
Washington D.C., DC
$40,500
Nashville, TN
$30,000
Oklahoma City, OK
$24,600
El Paso, TX
$24,600
Boston, MA
$42,000
Portland, OR
$35,400
Las Vegas, NV
$30,600
Memphis, TN
$24,600
Louisville, KY
$25,500
Baltimore, MD
$33,000
Milwaukee, WI
$27,600
Albuquerque, NM
$26,400
Tucson, AZ
$26,400
Fresno, CA
$31,500
Sacramento, CA
$35,400
Mesa, AZ
$28,500
Kansas City, MO
$27,000
Atlanta, GA
$31,500
Omaha, NE
$26,400
Colorado Springs, CO
$30,600
Raleigh, NC
$29,400
Long Beach, CA
$40,500
Virginia Beach, VA
$31,500
Miami, FL
$36,000
Oakland, CA
$43,500
Minneapolis, MN
$32,400
Tampa, FL
$30,600
Tulsa, OK
$24,600
Arlington, TX
$28,500
New Orleans, LA
$28,500
Pittsburgh, PA
$28,500
St. Louis, MO
$26,400
Bakersfield, CA
$30,600
Anaheim, CA
$40,500
Honolulu, HI
$45,000
Santa Ana, CA
$39,600
Riverside, CA
$34,500
Corpus Christi, TX
$25,500
Lexington, KY
$26,400
Stockton, CA
$33,000
Henderson, NV
$30,600
St. Paul, MN
$31,500
Cincinnati, OH
$26,400
Anchorage, AK
$38,400
Greensboro, NC
$26,400
Plano, TX
$31,500
Newark, NJ
$37,500
Lincoln, NE
$25,500
Orlando, FL
$30,600
Irvine, CA
$42,000
Durham, NC
$28,500
Chula Vista, CA
$38,400
Toledo, OH
$24,600
Fort Wayne, IN
$24,600
Jersey City, NJ
$40,500
St. Petersburg, FL
$30,600
Laredo, TX
$24,000
Madison, WI
$29,400
Chandler, AZ
$29,400
Buffalo, NY
$27,600
Lubbock, TX
$24,600
Scottsdale, AZ
$33,600
Reno, NV
$31,500
Glendale, AZ
$28,500
Gilbert, AZ
$30,600
Winston-Salem, NC
$25,500
North Las Vegas, NV
$29,400
Norfolk, VA
$29,400
Chesapeake, VA
$30,600
Irving, TX
$30,000
Fremont, CA
$43,500
Richmond, VA
$29,400
Boise, ID
$29,400
San Bernardino, CA
$32,400
Spokane, WA
$28,500
Des Moines, IA
$25,500
Tacoma, WA
$34,500
Modesto, CA
$31,500
Fontana, CA
$33,000
Moreno Valley, CA
$32,400
Fayetteville, NC
$25,500
Birmingham, AL
$24,600
Rochester, NY
$27,600
Salt Lake City, UT
$31,500
Oxnard, CA
$36,600
Knoxville, TN
$25,500
Worcester, MA
$34,500
Brownsville, TX
$23,400
Grand Rapids, MI
$27,000
Newport News, VA
$28,500
Huntsville, AL
$25,500
Amarillo, TX
$24,600
Little Rock, AR
$24,600
Montgomery, AL
$24,000
Akron, OH
$24,600
Augusta, GA
$24,600
Baton Rouge, LA
$25,500
Mobile, AL
$24,000
Shreveport, LA
$24,000
Tallahassee, FL
$27,000
Hartford, CT
$34,500
Providence, RI
$33,600
Charleston, SC
$29,400
Savannah, GA
$26,400
Columbia, SC
$25,500
Chattanooga, TN
$25,500
Fort Lauderdale, FL
$35,400
Dayton, OH
$24,600
Sioux Falls, SD
$25,500
Springfield, MO
$24,000
Jackson, MS
$23,400
Palm Bay, FL
$28,500
Lakeland, FL
$27,600
Cape Coral, FL
$29,400
Pensacola, FL
$26,400
Port St. Lucie, FL
$29,400
Naperville, IL
$34,500
Tempe, AZ
$30,000
Overland Park, KS
$28,500
McKinney, TX
$30,600
Frisco, TX
$31,500
Cary, NC
$30,600
Clarksville, TN
$25,500
Cedar Rapids, IA
$24,600
Peoria, AZ
$29,400
Surprise, AZ
$28,500
Denton, TX
$29,400
Roseville, CA
$34,500
Gainesville, FL
$26,400
Bellevue, WA
$42,000
Murfreesboro, TN
$27,600
Round Rock, TX
$30,600
Columbia, MD
$34,500
Boulder, CO
$37,500
Ann Arbor, MI
$33,000
Santa Fe, NM
$31,500
Wilmington, NC
$27,600
Greenville, SC
$26,400
Fargo, ND
$25,500
Provo, UT
$29,400
Duluth, MN
$26,400
Billings, MT
$27,600
Missoula, MT
$29,400
Cheyenne, WY
$26,400
Burlington, VT
$32,400
Portland, ME
$32,400
Concord, NH
$31,500
Bismarck, ND
$25,500
Rapid City, SD
$25,500
Casper, WY
$26,400
Bangor, ME
$28,500
Charleston, WV
$24,000
Dover, DE
$29,400
Manchester, NH
$32,400
Bridgeport, CT
$36,000
Stamford, CT
$40,500
Wichita, KS
$24,600
Topeka, KS
$24,000
Springfield, IL
$25,500
Rockford, IL
$25,500
Erie, PA
$24,600
Scranton, PA
$25,500
Flint, MI
$23,400
Lansing, MI
$25,500
Syracuse, NY
$26,400
Albany, NY
$28,500
Eugene, OR
$31,500
Salem, OR
$30,600
Fort Collins, CO
$33,000
Pueblo, CO
$25,500
Aurora, CO
$32,400
Santa Barbara, CA
$42,000
Santa Rosa, CA
$38,400
Pasadena, CA
$41,400
Visalia, CA
$30,000
Pomona, CA
$35,400
Myrtle Beach, SC
$26,400
Daytona Beach, FL
$27,600
Sarasota, FL
$31,500
Naples, FL
$35,400
Ocala, FL
$25,500
Athens, GA
$25,500
Macon, GA
$24,000
Lexington, SC
$25,500
Asheville, NC
$30,600
Flagstaff, AZ
$32,400
Rochester, NY
$27,600
New Haven, CT
$32,400
Manchester, NH
$31,500
Augusta, GA
$24,600
Fort Myers, FL
$29,400
Wilmington, NC
$28,500
Arlington, VA
$39,000
Green Bay, WI
$25,500
South Bend, IN
$24,600
Bend, OR
$33,600
Bellingham, WA
$33,000
Midland, TX
$28,500
Waco, TX
$24,600
Newark, NJ
$36,000
Related Cost Guides
💬 What Did You Pay?
Real costs reported by homeowners for Bathroom Addition
$29,896
Avg Reported
$20,927
Lowest Reported
$43,349
Highest Reported
Recent Reports
$22,651
Dallas, TX · Jan 2024
★★★★★
$36,628
Chicago, IL · Feb 2024
★★★★☆
$26,087
Phoenix, AZ · Mar 2024
★★★☆☆
$34,278
Denver, CO · Apr 2024
★★★☆☆
$27,196
Atlanta, GA · May 2024
★★★☆☆
$33,439
Seattle, WA · Jun 2024
★★★★★
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