Noble County, Ohio requires a County Auditor building permit for new construction or improvements valued over $2,000; the fee is $2512. Building-code plan approval and inspections are a separate track through the Southeast Ohio Building Department, which serves Noble County34. Wayne and Buffalo Townships have zoning officers, while the balance of unincorporated Noble County is not zoned56.
At a glance
- County building permit
- Required for new construction or improvements valued over $2,000; $25 from the County Auditor12
- Building-code approval
- Southeast Ohio Building Department serves Noble County for residential and commercial codes3
- Zoning
- Wayne and Buffalo Townships have zoning; the balance of unincorporated Noble County is not zoned56
- Septic permits
- A permit from the Noble County Health Department is required before installation7
- RV living
- Confirmed for licensed campgrounds; private-parcel occupancy was not confirmed8
- Tiny homes
- No countywide occupancy rule was confirmed; ask SEOBD and the township zoning officer36
- Driveway / address
- A new driveway permit must come before assignment of a new address9
- Private well
- A board-of-health permit is required before construction, alteration or sealing10
Who to call
Building permits
Southeast Ohio Building Department
Building-code plan approval and inspections in Noble County
340 Muskingum Drive, Marietta, OH 45750
Building permits
The county building permit for new construction or improvements above the value threshold
200 Courthouse, Caldwell, OH 43724
Septic permits
Noble County Health Department
Household sewage treatment system site evaluations, permits and inspections
44069 Marietta Rd., Caldwell, OH 43724-9124
Roads & driveways
Noble County Map Office / Engineer's Office
County addressing and coordination of driveway permits before a new address is assigned
250 Courthouse Room 2D, Caldwell, OH 43724
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Noble County, Ohio?
Yes. Noble County requires a County Auditor permit for new construction or other building improvements valued over $2,0001. The Auditor permit costs $25, payable by cash or check when it is obtained2. That local permit does not replace building-code approval: the Southeast Ohio Building Department serves Noble County, and its listed codes cover residential and commercial work34. Projects subject to code review must receive plan approval before work begins, then complete the required inspections11. Agricultural buildings have a limited state-law exemption when they are incident to agricultural use and are not used for retail trade; the exemption is not a blanket release from every permit or local rule12. Noble County does not publish an owner-builder exemption for the county permit, so an owner acting as builder should ask both the Auditor and Southeast Ohio Building Department what applications and inspections apply13144.
Who is the Noble County building department, and how do you reach it?
Building projects can involve two offices. The Noble County Auditor's Office issues the county's improvement-value permit from 200 Courthouse in Caldwell and can be reached at 740-732-404414. The Southeast Ohio Building Department handles building-code plan approval and inspections for Noble County from 340 Muskingum Drive in Marietta; call (740) 374-4185 or email [email protected]4. SEOBD accepts residential and nonresidential applications, and its approval does not include zoning or sewage disposal11. Noble County could not confirm one universal permit package for every project, so describe the structure, use, location and scope to both offices before beginning work144. For a new driveway and address, the Map Office / Engineer's Office is at 250 Courthouse Room 2D in Caldwell and can be reached at 740-732-494115. Lot splits and subdivisions go to the Noble County Planning Commission at the same phone number16.
Does Noble County, Ohio have zoning?
Wayne Township and Buffalo Township have zoning officers, while the balance of unincorporated Noble County is not zoned51718. Buffalo Township's zoning officer can be reached at 740-680-7003, and Wayne Township's zoning officer can be reached at 740-260-32811817. The available county pages do not publish the current district maps, setbacks, minimum lot sizes, lot coverage, height limits or permit fees for either township, so obtain the applicable ordinance and parcel classification before designing a structure6. Lack of zoning in the balance of unincorporated Noble County does not remove building-code, septic, floodplain, access or subdivision requirements537919. A land division can fall within Ohio's subdivision rules when a resulting parcel is under 5 acres, subject to statutory exceptions20.
How do septic permits work in Noble County?
A new, replacement or altered household sewage treatment system in Noble County requires a permit before installation7. The Noble County process calls for soil analysis by a soil scientist, system design, site evaluation, installation by a registered installer or a homeowner who passes the contractor test, and an uncovered final inspection7. Start with the Noble County Health Department at 740-732-495821. Site constraints deserve attention early: USDA soil data rates 0% of Noble County soils as free from severe limits for a conventional drain field, so a parcel may need a different design or location22. If public sanitary sewer is accessible and available, Ohio can require connection instead of a private system23. Off-grid toilets do not eliminate wastewater rules: permitted privies have specific conditions, while other household sewage still needs an approved system when a composting or incinerating toilet handles toilet waste24. Private wells also require a board-of-health permit before construction, alteration or sealing10.
Can you live in an RV or tiny home in Noble County?
Noble County could not confirm a countywide rule allowing full-time RV or tiny-home occupancy on a private parcel. Wayne and Buffalo Townships have local zoning, so owners there should ask the township zoning officer about dwelling use, placement and duration before moving an RV or tiny home onto the land6. Elsewhere in unincorporated Noble County, the absence of zoning does not itself establish that a proposed dwelling is legal to occupy5. Southeast Ohio Building Department code approval, an approved sewage system and floodplain rules can still control what may be built or occupied374. Ohio law clearly allows human habitation in an RV at a licensed recreational vehicle park for the period covered by the park's license, but that campground rule does not answer private-land occupancy8. A manufactured home follows a separate state inspection-seal process before occupancy25.
Building a home in Noble County: the steps, in order
- Identify the township and incorporated status; Wayne and Buffalo Townships have zoning officers6.
- If the parcel is being split, ask the Noble County Planning Commission whether subdivision review is required1916.
- Arrange soil analysis and septic design early, because 0% of county soils are rated free from severe conventional drain-field limits22.
- Obtain the household sewage treatment system permit from the Noble County Health Department before installation721.
- Submit plans to the Southeast Ohio Building Department when code approval applies, then schedule the required inspections114.
- Obtain the County Auditor's $25 permit when new construction or improvements exceed $2,000 in value12.
- For a new driveway, secure the road authority's permit before the new address is assigned9.
What should you check before buying land in Noble County?
Start with septic feasibility: 0% of Noble County soils are rated free from severe limits for a conventional drain field22. Terrain adds cost risk because only 20.6% of the county is at a slope of 15% or less, and 70.2% is wooded2627. Verify legal access and the road authority before assuming a driveway location; a county-road driveway uses the County Engineer, a township-road driveway uses the township trustees, and a state-highway driveway uses the Ohio Department of Transportation9. Check the parcel's township because Wayne and Buffalo have zoning while the balance of unincorporated Noble County is not zoned56. A recent lot split should be checked with the Planning Commission, especially if a resulting parcel is under 5 acres2016. Typical county figures are a 0.8% effective property-tax rate and a median annual tax bill near $1,178, but obtain the parcel's actual assessment before budgeting2829.
Watch-outs
- The County Auditor permit and Southeast Ohio Building Department plan approval are separate requirements; ask both offices before starting construction13144.
- Wayne and Buffalo Townships have zoning officers, but current dimensional standards were not confirmed; request the township ordinance and parcel zoning before design work6.
- Noble County could not confirm a private-parcel RV or tiny-home occupancy rule; ask the township zoning officer and Southeast Ohio Building Department before relying on the absence of countywide zoning54.
- A septic permit in a floodplain is conditional on providing an approved floodplain building permit7.
Sources
- Noble County Auditor, quoted and re-checked
- Noble County Auditor, quoted and re-checked
- Building Department, quoted and re-checked
- Southeast Ohio Building Department (washingtongov.org)
- Sewage Treatment Systems – Noble County Health Department, quoted and re-checked
- Noble County Township Trustees & Officials, quoted and re-checked
- Sewage Treatment Systems – Noble County Health Department, quoted and re-checked
- Section 3729.05 | Annual license required - inspection - proof of fire safety and code compliance, quoted and re-checked
- Noble County Map Office, quoted and re-checked
- Rule 3701-28-03 - Permits, system approval and sampling requirements, quoted and re-checked
- Southeast Ohio Plan Approval Application, quoted and re-checked
- Section 3781.06 | Public buildings to be safe and sanitary - definitions, quoted and re-checked
- (2026 county census)
- Noble County Auditor's Office (noblecountyohio.gov)
- Noble County Map Office / Engineer's Office (noblecountyohio.gov)
- Noble County Planning Commission (noblecountyohio.gov)
- Noble County Township Trustees & Officials, quoted and re-checked
- Noble County Township Trustees & Officials, quoted and re-checked
- Noble County Planning Commission, quoted and re-checked
- Section 711.001 | Plat definitions, quoted and re-checked
- Noble County Health Department (noblecohd.org)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Rule 3745-42-07 | Best available technology for connection into sanitary sewers and centralized collection and treatment (Ohio statewide rule), quoted and re-checked
- Chapter 3701-29 - Sewage Treatment Systems, quoted and re-checked
- Chapter 4781-7 | Manufactured home inspections (Ohio statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 28, 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.