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The cheapest state to get a septic system installer license is Arkansas at $50. The most expensive is Washington at $150. The national average is $85.
Lowest
$50
Arkansas
Average
$85
across 47 states
Median
$75
33 states at or below
Range
$100
spread across states
| # | State | Renewal Fee | Initial Fees | Renewal Cycle |
|---|---|---|---|---|
| #1 | Arkansas | $50 | $175 | Annual |
| #1 | Kansas | $50 | $175 | Annual |
| #1 | Kentucky | $50 | $175 | Annual (certification year runs April 1 – March 31) |
| #1 | Mississippi | $50 | $175 | Annual |
| #1 | Wyoming | $50 | $175 | Annual |
| #6 | Alabama | $75 | $200 | Annual |
| #6 | Alaska | $75 | $850 | Annual |
| #6 | Arizona | $75 | $200 | Annual |
| #6 | Delaware | $75 | $200 | Annual |
| #6 | Georgia | $75 | $200 | Annual |
| #6 | Hawaii | $75 | $200 | Annual |
| #6 | Idaho | $75 | $200 | Annual (expires January 1 each year) |
| #6 | Illinois | $75 | $200 | Annual |
| #6 | Indiana | $75 | $200 | Annual |
| #6 | Iowa | $75 | $200 | Annual |
| #6 | Louisiana | $75 | $200 | Annual (February 1 – January 31) |
| #6 | Maryland | $75 | $200 | Annual |
| #6 | Michigan | $75 | $200 | Annual |
| #6 | Missouri | $75 | $200 | Annual |
| #6 | Montana | $75 | $200 | Annual (confirmed for DEQ Pumper license and county installer licenses) |
| #6 | Nebraska | $75 | $200 | Annual |
| #6 | Nevada | $75 | $200 | Annual fees are referenced on the OSDS page, consistent with an annual renewal cycle |
| #6 | New Mexico | $75 | $200 | Annual |
| #6 | North Dakota | $75 | $200 | Annual |
| #6 | Ohio | $75 | $200 | Annual |
| #6 | Oklahoma | $75 | $200 | Annual (expire January 31 each year) |
| #6 | Pennsylvania | $75 | $200 | Annual |
| #6 | Rhode Island | $75 | $200 | Annual |
| #6 | South Carolina | $75 | $200 | Annual |
| #6 | South Dakota | $75 | $200 | Annual |
| #6 | Tennessee | $75 | $200 | Annual |
| #6 | Utah | $75 | $200 | Annual |
| #6 | West Virginia | $75 | $200 | Annual |
| #34 | Connecticut | $100 | $300 | Annual — renewed in the first birth month immediately following issuance, and annually thereafter |
| #34 | Maine | $100 | $275 | Annual |
| #34 | Minnesota | $100 | $275 | Triennial (3 years) |
| #34 | New Hampshire | $100 | $275 | Biennial (2 years) |
| #34 | New Jersey | $100 | $275 | Annual |
| #34 | Oregon | $100 | $275 | Annual |
| #34 | Vermont | $100 | $275 | Biennial (2 years) |
| #34 | Virginia | $100 | $275 | Annual |
| #34 | Wisconsin | $100 | $275 | Biennial (2 years) |
| #43 | Florida | $150 | $75 (application + exam fee combined in single payment) | Annual (expires Sept. 30 each year) |
| #43 | Massachusetts | $150 | $375 | Biennial (2 years) |
| #43 | North Carolina | $150 | $375 | Annual (expires December 31 each year; renewals due by November 15) |
| #43 | Texas | $150 | $375 | Annual |
| #43 | Washington | $150 | $375 | Biennial (2 years) |
| — | California | Varies — see details | $650 | Annual |
| — | Colorado | Varies — see details | — | Annual (confirmed across multiple counties) |
| — | District of Columbia | Varies — see details | — | N/A |
| — | New York | Varies — see details | — | Varies by county |
Renewal fees are per renewal cycle as reported by state licensing boards. Where fee ranges are listed, the lower bound is used for ranking. Click any state for full renewal details.
Arkansas has the lowest renewal fee at $50. The national average renewal fee is $85.
There is significant variation across the 47 states with data. Values range from $50 to $150, with a median of $75.
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