Durant, OK Zoning, Building Permits & Septic Rules

Durant, Oklahoma requires a building permit to construct or alter a building inside city limits, issued through the city's Community Development department¹. Durant also adopts and enforces its own zoning ordinance². Septic permits are not a city function: Oklahoma DEQ runs the on-site sewage program for Bryan County³.

At a glance

Building permit: Required inside Durant city limits; issued by Community Development¹
Zoning: Yes: the City of Durant's own zoning ordinance (Chapter 156)²
Building code: International Building Code, 2018 edition and later versions, without appendices⁴
Minimum lot, R-1: 8,400 sq ft and 70 ft wide at the front building line⁵
Minimum lot, A-1: 5 acres and 150 ft wide at the front building line⁶
Septic: Oklahoma DEQ Authorization to Construct⁷
Permit fees: Set by the city council; current schedule not confirmed⁸

Who to call

Building permits

City of Durant Community Development

Planning and zoning, building permits, plan review and inspections for land inside the City of Durant

580-931-6600

[email protected]

300 W Evergreen, Durant, OK 74701

Septic permits

Oklahoma DEQ, Environmental Complaints and Local Services (ECLS) Division

Authorization to Construct permits, soil tests, system design review and inspection for on-site sewage systems

405-702-0100

707 N Robinson, Oklahoma City, OK 73102

Floodplain permits

Bryan County Floodplain Management Program

Floodplain management regulations for Bryan County

(580) 745-5637

[email protected]

1901 S 9th Ave, Durant, OK 74726

Also useful

Oklahoma Statutes, Title 74 § 324.11

State statute exempting single-family homes, duplexes, barns, sheds and attached carports in unincorporated areas from the State Fire Marshal building permit

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Off-grid gear

Going off-grid in Durant means bringing your own water and power. The kit we’d start with:

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Does Durant, Oklahoma have zoning, and what does it mean for lot size and setbacks?

Yes. The City of Durant has its own zoning ordinance, and inside city limits uses are governed by district and use tables in Chapter 156, with some uses needing planning and zoning commission review². The city publishes agricultural, residential (R-1 through R-4), commercial, central business, industrial and other districts⁹.

Dimensions depend on the district. In R-1 single-family residential, the minimum lot is 8,400 sq ft and 70 ft wide at the front building line⁵, with building coverage capped at 30%¹⁰ and height capped at 35 ft¹¹. In A-1 agriculture, the minimum lot is 5 acres and 150 ft wide⁶, with building coverage, accessory buildings included, capped at 30%¹².

Setbacks are also set district by district in the city's district table; ask Community Development for the figures for a specific parcel¹³. We could not confirm Durant's rules on RVs, tiny homes or accessory dwellings, so call the same office before you plan one.

Do you need a building permit in Durant, and who issues it?

Yes. Inside Durant city limits, constructing or altering a building or structure without a permit from the city's community development department is unlawful¹. Building permits are handled by the City of Durant Community Development office¹³, and the State Fire Marshal's authority-having-jurisdiction list shows Durant performing plan review, building permitting and inspections itself¹⁴.

Durant adopts the International Building Code, excluding its appendices, as the city building code⁴. A permit lapses if work does not start within 180 days of issuance, and written extensions are available¹. A permit has no force until a fee receipt is attached¹⁵.

The fee is set by the city council by motion or resolution, and we did not find the current schedule, so ask the office for a quote⁸. The state adds its own permit fee of $4.00 per permit for work under state building codes¹⁶.

How do septic permits work for a home in Durant?

Septic is a state matter, not a city or county one. Oklahoma DEQ's Environmental Complaints and Local Services Division administers on-site sewage treatment for Bryan County³¹⁷.

Before installing or modifying a system, an Authorization to Construct must be purchased and issued by DEQ⁷. Installations must be inspected and approved by DEQ, or installed, self-inspected and approved by a certified installer, and a certified installer's final inspection goes to DEQ within 15 days of completion¹⁸. DEQ's current Authorization to Construct fee is $500.19 for a DEQ-inspected system up to 1500 gpd and $357.28 for a self-inspected one¹⁹.

Whether a lot inside Durant must connect to city sewer instead of using a septic system, we could not confirm; ask Community Development before you buy¹³.

Building a home in Durant: the steps, in order

Confirm the parcel's zoning district and dimensional limits with Community Development¹³.
Ask the same office whether city sewer reaches the lot; if not, start a DEQ soil test and Authorization to Construct⁷.
Apply for the building permit from the city's community development department¹.
Start work within 180 days or request a written extension¹.
Build to the adopted International Building Code⁴.
Have the septic system inspected by DEQ or a certified installer before it is put into operation¹⁸.

What stays with Bryan County, and what to check before you buy in Durant

Land outside Durant city limits is a different answer. Unincorporated Bryan County has adopted no county zoning ordinance, so no county rule sets lot size, setbacks or height there²⁰. Outside city limits a single-family home is not subject to a State Fire Marshal permit²¹; see the Bryan County page for the county's full answer.

Floodplain management is run by the Bryan County Floodplain Management Program²²; whether that program or the city handles a flood-zone lot inside Durant, we could not confirm, so ask both. For water, the state does not require an intent-to-drill authorization for domestic wells serving a household or irrigating less than 3 acres²³, but we could not confirm how that works inside city limits. A driveway onto a state highway needs an ODOT driveway agreement, and one inside city limits must be signed or permitted in writing by a city authority²⁴.

Watch-outs

Durant's current building permit fee schedule was not located; the code leaves fees to the city council⁸.
Inspection requirements, certificates of occupancy, RV and tiny-home rules, and sewer connection requirements inside Durant are unconfirmed; call City of Durant Community Development at 580-931-6600¹³.
County and state rules for unincorporated land do not apply inside Durant city limits; the county's own zoning answer applies only outside the city²⁰.

Sources

Written October 14, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Unanswered questions are usually a sign that Durant publishes no rule on the point, not that none exists. Bryan County’s page lists the county offices to call.

Zoning, building permits and septic rules in Durant, Oklahoma