Unincorporated Putnam County, Tennessee requires building permits for new homes, additions, decks, modular homes, and garages or storage buildings over 200 square feet1. The county has no countywide zoning, but floodplain and subdivision rules still apply2. TDEC administers septic permits and inspections3.
At a glance
- Building permit
- Required in the unincorporated county; issued by Putnam County Codes1
- Zoning
- None countywide; city, floodplain and subdivision rules can still apply245
- Septic permit
- Required for new or repaired systems; administered by TDEC63
- Owner-builder exemption
- Yes: one permit every 2 years for your own home, not for sale, lease or rent78
- RV and tiny-home zoning
- No county zoning restriction in unincorporated areas; other rules still apply91011
- Minimum home size
- No county zoning minimum; building-code requirements may still apply12
Who to call
Building permits
Building, plumbing and mechanical permits, inspections and occupancy certificates for unincorporated Putnam County
270 Carlen Ave, Cookeville, TN 38501
Planning & zoning
Putnam County Regional Planning Commission
Subdivision plat review, the county growth plan, and floodplain-zoning enforcement in FEMA-mapped flood plains for unincorporated Putnam County
67 S. Elm Ave., Cookeville, TN 38501
Roads & driveways
Putnam County Highway Department
County road and bridge construction and maintenance under Tennessee's Uniform Road Law
505 East Veterans Drive, Cookeville, TN 38501
Septic permits
Tennessee Department of Environment and Conservation (TDEC) — Subsurface Sewage Disposal Systems
Statewide Septic System Construction Permits, including for Putnam County (there is no county septic office)
Building permits
Putnam County Codes — Building Permit Fee Schedule
Published permit-fee schedule (valuation-based sliding scale)
Contact details are copied from each office’s official page and were checked against it on October 7, 2026.
Off-grid gear
Going off-grid in Putnam County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Putnam County, Tennessee?
Yes. Putnam County Codes requires permits in the unincorporated county for all new residential and commercial buildings, additions, decks or porches, modular homes, garages or storage buildings over 200 square feet, and plumbing or mechanical additions1. Putnam County has adopted the 2018 International Building Code and 2018 International Residential Code for the construction it regulates13. The department schedules inspections and issues occupancy certificates, and a final inspection is required before a building is inhabited14. Putnam County also requires plumbers and HVAC contractors to hold a county license renewed annually for $5015. Tennessee's owner-builder rule allows a property owner one permit every two years for a single home intended for the owner's own use, not for sale, lease, or rent; a paid contractor treated as the prime must be licensed and obtain the permit8.
Who is the Putnam County building department, and how do you reach them?
Putnam County Codes handles building, plumbing and mechanical permits, inspections, permit records, and occupancy certificates for construction in the unincorporated county15. The office is at 270 Carlen Ave, Cookeville, Tennessee, and its phone number is 931-526-228515. Its published hours are Monday through Friday from 7:00 a.m. to 3:30 p.m.15. The county publishes a building, plumbing and mechanical permit-fee schedule, but the available record does not establish a complete current valuation table; ask Codes for the charge on a specific project16. For subdivision plats and mapped floodplains, contact the Putnam County Regional Planning Commission at 67 S. Elm Ave., Cookeville, or 931-372-007017. Ask the Highway Department about county-road access because the confirmed driveway-cut provision is limited to houses built immediately by a subdivision developer1819.
Does Putnam County have zoning?
Unincorporated Putnam County has no countywide zoning code or zoning districts2021. County zoning therefore sets no minimum dwelling size, lot coverage, or building-height limit122223. Subdivision rules are the important exception: covered lots with public water and sewer must contain at least 7,500 square feet, while covered lots with public water but no public sewer must contain at least 20,000 square feet; both require 75 feet of width at the building setback line24. Covered subdivision lots also have road-based building lines and a 10-foot minimum setback from other lot lines25. Putnam County separately enforces floodplain zoning in FEMA-identified 100-year flood plains26. Algood, Baxter, Cookeville, and Monterey apply their own development codes inside city limits4.
How do septic permits work in Putnam County?
TDEC, not Putnam County, administers septic permits and inspections for property in Putnam County3. A state septic construction permit is required for a new, modified, repaired, conventional, or alternative system, and it should be obtained before dirt work or construction of a building pad begins276. Alternative systems require an extra-high-intensity soils map prepared by a Tennessee-licensed soils consultant6. TDEC performs the final inspection before the installation is covered and issues a Certificate of Completion after approval28. Call TDEC at 1-888-891-8332 to identify the appropriate Environmental Field Office29. Only 22% of surveyed Putnam County soil is rated without severe limits for a conventional drain field, so make septic suitability an early purchase contingency30. Putnam County's building-permit sequence places the state septic permit before the county building permit3132.
Can you live in an RV or tiny home on your land in Putnam County?
Unincorporated Putnam County imposes no county zoning restriction on RV occupancy, temporary camping, tiny-home occupancy, manufactured-home occupancy, or accessory dwellings933101134. That zoning answer is not blanket permission to occupy any structure: construction permits, building and installation standards, septic or sewer requirements, subdivision rules, floodplain rules, and applicable state requirements still apply1011. Putnam County specifically requires a building permit for a modular home and other listed construction1. Property inside Algood, Baxter, Cookeville, or Monterey follows the applicable city's development codes4. Before moving onto a parcel, show Putnam County Codes the exact structure and utility plan, confirm sanitation requirements with TDEC, and review the deed and plat for private restrictions.
Building a home in Putnam County: the steps, in order
- Confirm that the parcel is outside Algood, Baxter, Cookeville, and Monterey; city development codes apply inside those municipalities4.
- For new construction, request a 911 address after the required stakes are present32.
- Obtain the TDEC septic permit before the county building permit3132.
- Purchase the building, plumbing, and mechanical permits from Putnam County Codes, then post the address and building permit32.
- Before inspections, provide the portable toilet, crushed-stone ramp, erosion controls, posted address, and posted permit required by the county35.
- Schedule the footer, foundation, slab-plumbing when needed, concrete-slab, combined rough-in, energy, and final inspections in order35.
- Do not inhabit the building before the final inspection; Putnam County Codes issues occupancy certificates14.
- Obtain a TDOT permit before constructing or changing a driveway on state highway right-of-way36.
What to check before you buy land in Putnam County
Check septic feasibility first: only 22% of surveyed Putnam County soil is rated without severe limits for a conventional drain field30. Ask the Regional Planning Commission whether the parcel lies in a FEMA-identified 100-year floodplain and whether a proposed division triggers subdivision review2637. For subdivision plats, proposed public sewer and water connections must be shown where available; when connections are impracticable, the proposed individual water or sewage system needs the specified TDEC and planning-engineer approvals38. Verify whether access is from a state highway or county road because TDOT requires a permit on state highway right-of-way, while the county source does not establish a driveway permit for every county-road parcel3619. Putnam County's effective property-tax rate is about 0.5%, and its median annual property-tax bill is about $1,2993940. The reviewed sources do not confirm a private domestic well-permit rule; ask TDEC before treating a well as the water plan.
Watch-outs
- No countywide zoning does not waive building, septic, floodplain, subdivision, municipal, or private restrictions on an RV, tiny home, manufactured home, or accessory dwelling91011.
- Putnam County has adopted short-term-rental regulations, but the available county fact does not establish the registration, tax, permit, or operating details; ask the Putnam County Trustee's Office before renting41.
- Land inside Algood, Baxter, Cookeville, or Monterey follows that city's development codes, not the unincorporated county's no-zoning framework4.
Sources
- Building Codes | Putnam County TN, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Septic System Construction Permit, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- tn.gov, quoted and re-checked
- Can I build my own home without a license? (2026 county census)
- Can I build my own home without a license? (Tennessee statewide rule), quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Building Codes | Putnam County TN, quoted and re-checked
- Building Codes | Putnam County TN, quoted and re-checked
- Putnam County Codes (putnamcountytn.gov)
- Building Codes | Putnam County TN, quoted and re-checked
- Putnam County Regional Planning Commission (putnamcountytn.gov)
- Putnam County Highway Department (putnamcountytn.gov)
- Subdivision Regulations of the Putnam County Regional Planning Commission, quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Putnam County Subdivision Regulations with April 2025 Amendment, quoted and re-checked
- Putnam County Subdivision Regulations with April 2025 Amendment, quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Septic System Construction Permit, quoted and re-checked
- tn.gov, quoted and re-checked
- Tennessee Department of Environment and Conservation (TDEC) — Subsurface Sewage Disposal Systems (tn.gov)
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Building Codes | Putnam County TN, quoted and re-checked
- Building Codes | Putnam County TN, quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Regional Planning Commission, quoted and re-checked
- Building Codes | Putnam County TN, quoted and re-checked
- Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
- Regional Planning Commission | Putnam County TN, quoted and re-checked
- Online Application for Septic Related Services, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Regional Planning Commission | Putnam County TN, quoted and re-checked
Written October 7, 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.