Septic permits around Tulsa
Oklahoma DEQ, not a city, handles on-site sewage systems (Oklahoma DEQ sewage treatment page).
- Request an authorization to construct online (DEQ online sewage permit application). Fees for 2026-27: $357.28 self-inspected, $500.19 DEQ-inspected; modifications $214.36 / $357.28 (DEQ fee schedule, 7/1/2026-6/30/2027).
- Tulsa County building permits in unincorporated areas need an ODEQ perc or soil test or an aerobic design (Tulsa County residential building permit requirements).
- DEQ's Tulsa office: 9933 E. 16th St. S., Tulsa, OK 74128 (DEQ local offices map layer; see DEQ offices).
Last checked Oct 23, 2026.