Bolthole Index

Hamilton County, Tennessee

Zoning, building permits and septic rules in Red Bank, Tennessee

Red Bank, Tennessee adopts and administers its own zoning ordinance inside city limits1, and City of Red Bank Building and Codes Enforcement takes building permit applications through the city's Citizen Portal2. Septic permits are a separate office: Hamilton County Groundwater Protection issues them across the county3. We could not confirm how the city and county split septic work inside Red Bank, so call both before you buy.

At a glance

Zoning
Red Bank's own ordinance applies inside city limits1
Building permits
Issued by the City through its Citizen Portal2
Home size in R-1
At least 1,400 square feet of heated space for a new house4
Lot size in R-1
7,500 square feet with 60 feet of frontage on central sewer5
Manufactured homes in R-1
Single-chassis factory homes are excluded6
Septic permits
Hamilton County Groundwater Protection issues septic permits countywide3

Who to call

Building permits

City of Red Bank Building and Codes Enforcement

Building, plumbing, mechanical, gas and electrical permit applications and inspections inside Red Bank city limits

423-877-1103

3105 Dayton Boulevard, Red Bank, TN 37415

Septic permits

Hamilton County Groundwater Protection (Development Services)

Septic system permits, lot reviews and septic repairs in Hamilton County

423-209-7876

1250 Market Street Suite 3046, Chattanooga, TN 37402

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

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

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Does Red Bank, Tennessee have zoning, and what does it mean for homes and lots?

Red Bank, Tennessee has its own zoning. The City adopted the Red Bank Zoning Ordinance, which sets zones inside the corporate limits and is administered by the City1. Zone boundaries are on the zoning map that accompanies the ordinance7.

Rules differ by district. In the R-1 Residential Zone, a newly built house must have at least 1,400 square feet of heated living space4. R-1 lots on central sewer need 7,500 square feet and 60 feet of frontage, and the Chattanooga-Hamilton County Health Department decides lot size for septic lots5. Buildings in R-1 top out at 2.5 stories or 35 feet, and taller buildings must add one foot of setback on every side for each extra foot of height8.

Two more R-1 limits matter to buyers: factory-built homes on a single chassis are excluded from the single-family uses6, and short-term rentals are prohibited except for grandfathered, permitted units9. Dividing land is also regulated by the city's separate subdivision regulations10.

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

Red Bank City Building and Codes Enforcement issues building permits inside city limits, and applicants choose the permit type in the city's Citizen Portal2. The City's fee schedule lists a building permit for new single-family homes, duplexes, townhomes and additions11. The city's building inspectors inspect all trades to the 2018 IBC/IRC and the 2020 NEC12.

We could not confirm which residential jobs are exempt, whether Red Bank requires a certificate of occupancy, or whether an owner-builder exemption applies inside the city, so ask the Building and Codes office before you start work. Hamilton County's building department and its owner-builder rule cover unincorporated land, not city lots13.

Any development in Red Bank's floodplain also needs a development permit before work begins14.

How do septic permits work in Red Bank?

Septic permits are not issued by the City of Red Bank's building office. Hamilton County Groundwater Protection issues permits for new septic systems and changes to existing ones across Hamilton County3, and a new house, shop or barn uses a New Septic Permit15. Tennessee requires a septic permit for construction, modification or repair of a system16.

Most of Red Bank's lots may be on sewer, but we could not confirm the sewer provider or whether septic is allowed on a given lot. Red Bank's zoning ordinance refers septic-lot sizing to the Chattanooga-Hamilton County Health Department5. Call17 with the address before you make an offer.

Can you live in an RV or tiny home in Red Bank?

We could not confirm a Red Bank rule for living in an RV, camping on private land or placing a tiny home inside city limits; ask the Building and Codes office. Hamilton County's travel trailer camp and RV rules apply to unincorporated land, not to Red Bank lots18.

One statewide limit does apply: Tennessee law says no ready-removable structure may be modified for use as residential, recreational or emergency housing19. In R-1, a factory-built home on a single chassis is excluded from the permitted single-family uses6.

Building a home in Red Bank: the steps, in order

  1. Confirm the lot's zoning district on the city's zoning map and read the district rules7.
  2. Ask Red Bank Building and Codes whether the lot is in a mapped floodplain; a development permit comes first if so14.
  3. If the lot has no sewer, get septic approval from17 before dirt work16.
  4. Apply for your building permit in the Citizen Portal2.
  5. Schedule inspections through the Citizen Portal and finish all trades to the adopted codes12.

What stays with Hamilton County, and what to check before you buy in Red Bank

Septic permits stay with Hamilton County Groundwater Protection3. Land outside Red Bank city limits is under the county's own rules; see the Hamilton County page for unincorporated land. County-level figures are not Red Bank's: Hamilton County's effective property tax rate is 0.7%20, and the median property tax bill is $1,888 per year21.

Before you buy, confirm the zoning district, floodplain status, sewer or septic, and the district's lot-size rules with the City.

Watch-outs

  • We could not confirm which residential work Red Bank exempts from building permits, so ask the Building and Codes office before you start12.
  • The Chattanooga-Hamilton County Health Department sets septic-lot size, but we could not confirm who permits septic systems inside Red Bank itself, so call Hamilton County Groundwater Protection3.
  • Red Bank's R-1 minimum house size is 1,400 square feet for new construction, which rules out most tiny homes there4.

Sources

  1. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  2. Building and Codes Enforcement | Red Bank, TN (Red Bank), quoted and re-checked
  3. hamiltontn.gov, quoted and re-checked
  4. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  5. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  6. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  7. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  8. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  9. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  10. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  11. City Fee Schedule | Red Bank, TN (Red Bank), quoted and re-checked
  12. City of Red Bank Building and Codes Enforcement (redbanktn.gov)
  13. Building Permits, quoted and re-checked
  14. Red Bank Zoning Ordinance, Ordinance No. 15-1020 (Red Bank), quoted and re-checked
  15. hamiltontn.gov, quoted and re-checked
  16. Septic System Construction Permit (Tennessee statewide rule), quoted and re-checked
  17. Hamilton County Groundwater Protection (Development Services) (hamiltontn.gov)
  18. Hamilton County Zoning Regulations, quoted and re-checked
  19. Public Guidance: Ready-Removables and Non-Traditional Homes, quoted and re-checked
  20. Effective property tax rate: Bolthole Index county data
  21. Median property tax bill: Bolthole Index county data

Written October 24, 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.

Answers from the rulebook for Red Bank

Red Bank’s own rules

  • Local zoningPresent (with conditions)

    Land within Red Bank city limits.

    • The ordinance establishes zones within the corporate limits and is administered by the City.
    “the same is hereby adopted as the RED BANK ZONING ORDINANCE.”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Red Bank city limits.

    • District boundaries are shown on the zoning map incorporated into the ordinance.
    “The boundaries of the zones are shown upon the map accompanying this Ordinance and made a part thereof”
  • Minimum dwelling sizeSpecified

    Newly constructed houses in Red Bank's R-1 Residential Zone.

    • Applies to newly constructed houses in R-1.

    minimum heated living space: >= 1400 square feet (newly constructed house)

    “The minimum amount of heated living space/square footage for any newly constructed house shall be one thousand four hundred (1,400) square feet.”
  • Minimum lot sizeSpecified

    Lots in Red Bank's R-1 Residential Zone.

    • The 7,500-square-foot and 60-foot-frontage standard applies on central sewer; septic-lot size is determined by the Chattanooga-Hamilton County Health Department.

    minimum lot area on central sewer: >= 7500 square feet · minimum frontage on central sewer: >= 60 feet

    “The minimum lot size shall be 7,500 square feet, and a minimum frontage of sixty (60) feet on central sewer.”
  • Building heightSpecified

    Buildings in Red Bank's R-1 Residential Zone.

    • A building exceeding 35 feet must add one foot of setback from all property lines for each additional foot of height.

    maximum height: <= 35 feet (additional height allowed with one additional foot of setback from all property lines for each foot over 35) · maximum stories: <= 2.5 stories (same height/setback exception)

    “No building shall exceed two and one-half (2 1/2) stories or thirty-five (35) feet in height”
  • Manufactured homesLimited

    Factory-manufactured homes constructed as a self-contained unit and mounted on a single chassis in the R-1 Residential Zone inside Red Bank.

    • This is a district-specific restriction; other districts may differ.
    “Single-Family Dwellings, except factory manufactured homes constructed as a self-contained unit and mounted on single chassis.”
  • Subdividing landRegulated (with conditions)

    Subdivision development inside Red Bank city limits.

    • The zoning ordinance does not supersede Red Bank Subdivision Regulations codified at Title 14, Chapter 1, Section 14-201.
    “Nothing contained herein shall be deemed, construed, or interpreted so as to supercede or repeal the Red Bank Subdivision Regulations”
  • Building in a floodplainRequired

    Development activities in all incorporated areas of Red Bank city limits.

    • A development permit is required before development activities; the ordinance applies to all incorporated areas of Red Bank.
    “A development permit shall be required in conformity with this Ordinance prior to the commencement of any development activities.”
  • Short-term rentalsProhibited

    Short-term residential rental units in Red Bank's R-1 Residential Zone.

    • Exception for duly permitted and previously legally existing grandfathered short-term rental units as defined and required by T.C.A. §13-7-601 et seq.; this is district-specific.
    “Short term residential rental units, with the exception of duly Permitted and previously legally existing “Grandfathered short Term rental units””
  • Permit feesPublished (with conditions)

    Municipal fees and permit-related fees inside Red Bank city limits.

    • The current City webpage links an Appendix A fee schedule marked updated 08182026; specific building-permit fees were not extracted from the linked document.
    “Building Permit New Construction re Single Family Homes, Duplexes, Townhomes & Additions”
  • Permit processPublished (with conditions)

    Applications for City building permits inside Red Bank city limits.

    • Applicant uses the City Citizen Portal and selects the desired permit type.
    “Visit our Citizen Portal on the home page, scroll down to the middle of the page, and select which permit you are applying for.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Red Bank or Hamilton County directly.

  • Building permit — Residential construction inside Red Bank city limits.
  • Owner-builder exemption — Owner-built residential construction inside Red Bank city limits.
  • Certificate of occupancy — Residential occupancy inside Red Bank city limits.
  • Lot coverage — Residential lots inside Red Bank city limits.
  • Living in an RV — Long-term RV occupancy on private land inside Red Bank city limits.
10 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

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

← All of Hamilton County: county rules, score and offices