- Septic tank repair usually costs $690 to $3,000, about $1,900 typical.
- Repairing a septic tank or its parts, such as a baffle, pump, line or lid.
What septic tank repair costs
Septic tank repair usually runs $690 to $3,000. A typical job lands near $1,900. Repairing a septic tank or its parts, such as a baffle, pump, line or lid.
| Price | |
|---|---|
| Low end | $690 |
| Typical | $1,900 |
| High end | $3,000 |
National figures from Fixr and HomeAdvisor, combined as shown below. Labor rates move the price by state: about $2,265 typical in Hawaii against $1,682 in Arkansas.
What drives the price
- What failed. Baffles and lids are cheap. Fixr's average is a broken lateral line.
- Drain field. A failed drain field is the costly repair. HomeAdvisor says major repairs can run $6,500 or more.
- Access. Digging, permits and restoring the yard add to the bill.
Extra costs to plan for
| Item | Price | Source |
|---|---|---|
| Diagnostic inspection | $100 to $1,175 | HomeAdvisor |
Not every quote includes these. Check each line before comparing septic tank repair bids.
Septic tank repair cost by state
Estimates by state, made by Koira: the national septic tank repair range with its labor part, roughly 50%, adjusted to local wages for construction and extraction workers. Real quotes vary with the job.
| State | Low | Typical | High |
|---|---|---|---|
| Alabama | $622 | $1,713 | $2,705 |
| Alaska | $783 | $2,156 | $3,405 |
| Arizona | $681 | $1,876 | $2,962 |
| Arkansas | $611 | $1,682 | $2,655 |
| California | $760 | $2,093 | $3,305 |
| Colorado | $700 | $1,926 | $3,041 |
| Connecticut | $760 | $2,093 | $3,304 |
| Delaware | $689 | $1,897 | $2,995 |
| District of Columbia | $751 | $2,069 | $3,266 |
| Florida | $631 | $1,737 | $2,743 |
| Georgia | $633 | $1,744 | $2,754 |
| Hawaii | $823 | $2,265 | $3,577 |
| Idaho | $670 | $1,846 | $2,915 |
| Illinois | $812 | $2,235 | $3,530 |
| Indiana | $703 | $1,937 | $3,058 |
| Iowa | $690 | $1,899 | $2,998 |
| Kansas | $663 | $1,827 | $2,885 |
| Kentucky | $653 | $1,798 | $2,839 |
| Louisiana | $634 | $1,747 | $2,758 |
| Maine | $694 | $1,912 | $3,019 |
| Maryland | $692 | $1,905 | $3,008 |
| Massachusetts | $794 | $2,186 | $3,452 |
| Michigan | $700 | $1,926 | $3,041 |
| Minnesota | $766 | $2,108 | $3,329 |
| Mississippi | $616 | $1,697 | $2,679 |
| Missouri | $703 | $1,935 | $3,055 |
| Montana | $698 | $1,923 | $3,036 |
| Nebraska | $657 | $1,808 | $2,855 |
| Nevada | $703 | $1,935 | $3,055 |
| New Hampshire | $693 | $1,909 | $3,014 |
| New Jersey | $771 | $2,122 | $3,351 |
| New Mexico | $634 | $1,746 | $2,757 |
| New York | $753 | $2,073 | $3,273 |
| North Carolina | $631 | $1,738 | $2,744 |
| North Dakota | $699 | $1,926 | $3,041 |
| Ohio | $705 | $1,941 | $3,065 |
| Oklahoma | $627 | $1,726 | $2,725 |
| Oregon | $728 | $2,005 | $3,166 |
| Pennsylvania | $696 | $1,916 | $3,025 |
| Rhode Island | $710 | $1,956 | $3,088 |
| South Carolina | $632 | $1,741 | $2,749 |
| South Dakota | $635 | $1,750 | $2,763 |
| Tennessee | $638 | $1,756 | $2,773 |
| Texas | $630 | $1,734 | $2,739 |
| Utah | $676 | $1,862 | $2,940 |
| Vermont | $691 | $1,903 | $3,005 |
| Virginia | $672 | $1,851 | $2,922 |
| Washington | $782 | $2,155 | $3,402 |
| West Virginia | $679 | $1,869 | $2,951 |
| Wisconsin | $714 | $1,965 | $3,103 |
| Wyoming | $691 | $1,903 | $3,005 |
Big metro areas often run above their state's figure.
How we got these numbers
| Guide | Range | Average | Use |
|---|---|---|---|
| Fixr | $750 to $3,000 | $2,000 | Counted |
| HomeAdvisor | $627 to $3,043 | $1,828 | Counted |
How the septic tank repair range is combined: low end from the middle of the guides' lows, high end from the middle of their highs, typical from the middle of their averages (a range's midpoint where no average is given). Figures read on each guide's page on October 9, 2026.
Labor share used: 50%. None of the guides splits labor out for this job, so this share is Koira's working assumption for plumbing work. State factor: the state's median hourly wage for construction and extraction workers over the national $28.63 (BLS, May 2025), kept between 0.7 and 1.4.
For contractors: price this job in Koira
Plumbing calls come in when something is leaking, so a fast answer and a clear price for the fix and the parts matter most.
With Koira's free Office plan, the septic tank repair estimate, the deposit and the final invoice live in one place, sent by text. See estimates. Price this job in Koira, free.
Sources: Fixr, septic tank repair cost; HomeAdvisor, septic tank repair cost; BLS Occupational Employment and Wage Statistics, May 2025 (state and national files). Prices checked October 9, 2026. More for your trade: how the trade runs on Koira.