Bolthole Index

Grant County, Kentucky

Building permits, zoning and septic rules in Dry Ridge, Kentucky

Dry Ridge, Kentucky requires building permits for new installations and building demolitions.1 Dry Ridge administers municipal zoning, while Northern Kentucky Health Department handles septic approval in Grant County.23 New residences on lots of 1 acre or less must connect to adequate water and sanitary sewer systems, and long-term camper residency is unlawful inside city limits.45

At a glance

Building permits
Required for new installations and building demolitions1
Zoning
Municipal zoning; confirm the parcel district with Dry Ridge2
Septic approval
Northern Kentucky Health Department; city sewer rules also apply34
RV living
Long-term or permanent camper residency is unlawful5
Manufactured homes
Conditional approval; qualified homes require at least 900 square feet6
Small residential lots
New residences on 1 acre or less require adequate water and sanitary sewer connections4
Private wells
Kentucky requires a certified driller; no owner permitting application or fee under the state rule7

Who to call

Zoning

Dry Ridge Code Enforcement / Zoning Officer

City zoning questions and routing questions about building applications

859-824-3335

[email protected]

31 Broadway, Dry Ridge

Building permits

City of Dry Ridge Building Permit Information

Published city building-permit information and application links; confirm the assigned inspector with the city

Septic permits

Northern Kentucky Health Department

Septic site evaluations, installation permits and inspections inside Dry Ridge

859-341-4264

[email protected]

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

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

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Do you need a building permit in Dry Ridge, KY?

Dry Ridge requires a building permit for new installations or building demolitions, and construction is subject to Kentucky building and residential codes.18 Moving or setting a manufactured home or permanent structure also requires a building-permit application and inspection of the structure and proposed location.9

Dry Ridge requires a certificate of occupancy before using building or land that has been created, changed, converted or enlarged; the inspector checks the proposed use against zoning and building-code requirements.10 In the A-1 district, buildings used solely for agriculture have a limited building-permit exemption, with front yards of at least 50 feet and side yards of 20 feet; residences and non-agricultural buildings still require building permits.11

Who handles Dry Ridge building-permit and zoning questions?

Start with Dry Ridge’s published building-permit information and ask the city to identify the inspector and submission counter for your project.12 Dry Ridge’s zoning contact is the Code Enforcement / Zoning Officer at 859-824-3335 or [email protected], with in-person contact at 31 Broadway, Dry Ridge.13

Dry Ridge adopts and administers municipal zoning through the city and Grant County Planning and Zoning Board, and the city may impose more restrictive local changes than the county regulations.2 Septic approval remains with Northern Kentucky Health Department rather than the municipal zoning office.3 Ask the city to review the proposed use and site layout before you commission final building plans.

Does Dry Ridge have zoning, lot-size rules and setbacks?

Dry Ridge has municipal zoning, so the parcel’s district matters when choosing a house site or comparing lots.2 For permitted single-family uses in R-1A, the minimum lot area is 43,560 square feet and the minimum width at the building setback line is 120 feet.14 R-1A permitted-use setbacks are 40 feet at the front, 20 feet at the side and 25 feet at the rear; conditional uses have separate standards.15

R-1A permits maximum building coverage of 40% and a maximum building height of 35 feet for permitted uses.1617 Do not apply these R-1A dimensions to another district. Dry Ridge zoning applications require a deed or approved plat, the application and fee, and a plot plan showing lot lines, setbacks, access, drainage and water and sewer facilities.18

How do septic permits work inside Dry Ridge?

In Dry Ridge, resolve the sewer question before paying for septic design: new residences on lots of 1 acre or less must connect to adequate water and sanitary sewer systems.4 Existing buildings within a reasonable distance of an existing or newly extended sanitary sewer must connect, with that distance determined by the legislative body and/or Grant County Board of Health.19

Where septic is allowed, Northern Kentucky Health Department handles approval, starting with a site evaluation and soil information.320 The health department charges $300 when the site-evaluation application is submitted.21 After a suitable or provisionally suitable evaluation, a certified installer applies for the installation permit before work begins and requests inspection before covering the work.2022

Can you live in an RV or tiny home in Dry Ridge?

Dry Ridge prohibits long-term or permanent residency in a boat, automobile, camper or truck, so buying land does not establish a right to live in a camper while building.5 Outdoor storage of recreational vehicles and similar equipment is restricted to rear yards; storage permission is separate from residential occupancy.5

We could not confirm a distinct tiny-home occupancy rule or a general minimum floor area for site-built homes in Dry Ridge; ask the city’s Zoning Officer about your proposed dwelling and district.13 Qualified manufactured homes have a 900-square-foot minimum and additional compatibility standards; that threshold is not a general tiny-home rule.6 Class I or II manufactured homes may be permanent dwellings in A-1 and A-1U where single-family dwellings are permitted, subject to setbacks and an administrative permit.6

Building a home in Dry Ridge: what are the steps?

  1. Ask Dry Ridge’s Zoning Officer to confirm the parcel district and review the intended residential use.132
  2. Resolve water and sewer connections with the city; where septic is allowed, obtain the health department’s site evaluation before installation approval.420
  3. Prepare the zoning application, deed or approved plat, fee and plot plan, including buildings, setbacks, access, drainage and utility facilities.18
  4. Obtain the required building permit within 90 consecutive calendar days after zoning-permit issuance, or the zoning permit expires.18
  5. Arrange applicable building and septic inspections, and obtain the certificate of occupancy before beginning the new use.92210

What should you check before buying land in Dry Ridge?

Confirm whether the parcel is inside Dry Ridge before relying on municipal zoning; for land outside city limits, use the Grant County guide for the county’s answers.2 If you plan to divide a tract, Dry Ridge requires record plats and development improvements to conform to applicable subdivision regulations unless the planning commission specifically waives requirements.23

Grant County’s soils have only 1.2% rated not limited for conventional septic drain fields; this county-level rating does not mean septic is impossible, but makes a parcel-specific site evaluation essential.24 Kentucky’s private-well rule requires a certified water-well driller but no permitting application or fee from the owner; we could not confirm additional Dry Ridge well requirements.7 Ask the city about floodplain review before choosing a building footprint; we could not confirm the complete municipal floodplain-development approval process.13

Watch-outs

  • Dry Ridge’s water-and-sewer connection requirement applies to new residences on lots of 1 acre or less, even where the lot otherwise meets its zoning dimensions.4
  • A Dry Ridge zoning permit expires after 90 consecutive calendar days unless the required building permit is obtained.18
  • We could not confirm a general Dry Ridge owner-builder exemption; ask the city’s Zoning Officer how your self-build will be reviewed.13

Sources

  1. Permits – City of Dry Ridge (Dry Ridge), quoted and re-checked
  2. Dry Ridge Code § 153.01, Adoption by Reference (Dry Ridge), quoted and re-checked
  3. Septic System Inspections – Northern Kentucky Health Department (Dry Ridge), quoted and re-checked
  4. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  5. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  6. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  7. Water Well Information for Home Owners (Kentucky statewide rule), quoted and re-checked
  8. Kentucky Department of Housing, Buildings and Construction – Building Codes (Dry Ridge), quoted and re-checked
  9. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  10. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  11. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  12. City of Dry Ridge Building Permit Information (cdrky.org)
  13. Dry Ridge Code Enforcement / Zoning Officer (cdrky.org)
  14. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  15. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  16. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  17. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  18. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  19. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  20. Septic System Inspections – Northern Kentucky Health Department (Dry Ridge), quoted and re-checked
  21. Northern Kentucky Health Department (nkyhealth.org)
  22. Septic System Inspections – Northern Kentucky Health Department (Dry Ridge), quoted and re-checked
  23. Dry Ridge Zoning Ordinance (Dry Ridge), quoted and re-checked
  24. 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

Written October 12, 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 Dry Ridge

Dry Ridge’s own rules

  • Building permitRequired

    New installations and building demolitions inside Dry Ridge city.

    • The city permit page describes the requirement as applying to new installations or building demolitions.
    • Separate state-code and zoning requirements may apply.
    “Building Permit – Required for new installations or building demolitions.”
  • InspectionsRequired

    Manufactured homes and permanent structures moved or set inside Dry Ridge city.

    • The zoning ordinance requires a building-permit application requesting inspection.
    • The building inspector must inspect the building, structure, improvement, and proposed location before approval.
    • Applicable utilities, transportation, road, and other permits must also be obtained.
    “the building inspector shall inspect said building, structure, or improvements, and the proposed location where same will be set”
  • Certificate of occupancyRequired

    Any building or land inside Dry Ridge city that is created, changed, converted, or enlarged, before use begins.

    • The certificate is part of the building permit.
    • The building inspector must determine that the building and proposed use conform to the zoning ordinance and building code.
    • Existing buildings and lawful nonconforming uses have separate certificate provisions.
    “until a certificate of occupancy which shall be a part of the building permit, shall have been issued by the building inspector.”
  • Local zoningPresent

    Land inside Dry Ridge city limits; the city adopts and administers municipal zoning regulations, with zoning administration performed through the city and Grant County Planning and Zoning Board.

    • The city states it has adopted the county zoning regulations but may impose more restrictive local changes.
    • The adopted zoning ordinance and map are incorporated by reference and available for inspection at the City Building.
    “The municipal zoning ordinance and zoning map, and all amendments thereto, are hereby adopted by reference”
  • Zoning districtsPublished

    Zoning districts and map for land inside Dry Ridge city.

    • The city publishes a current interactive zoning map and a zoning-ordinance document.
    • The code adopts the municipal zoning ordinance and zoning map by reference.
    • The zoning ordinance identifies A-1, R-1A, R-1B, R-1C, R-1D, R-2, R-3, R-4, MHP, CBD, NC, HC, M-P, I-1, I-2, and PUD zones.
    “Interactive City Zoning Map Download the City Zoning Map (Older Version) Dry Ridge Zoning Ordinance 692-2006 Revised 9-4-18”
  • Living in an RVLimited

    Long-term or permanent residential occupancy of boats, automobiles, campers, or trucks inside Dry Ridge city.

    • Long-term or permanent residency in those vehicles is unlawful.
    • Outdoor storage of recreational vehicles, campers, boats, mobile homes, or similar equipment is restricted to rear yards.
    • The ordinance separately lists RV campground as a conditional use in the A-1 zone in the current city zoning-page materials.
    “It shall be unlawful for any person(s) to establish long term or permanent residency in any boat, automobile, camper, or truck”
  • Manufactured homesAllowed (with conditions)

    Manufactured homes placed as residences inside Dry Ridge city.

    • Manufactured homes must meet applicable federal, Kentucky, building, health, sanitation, utility, foundation, anchoring, skirting, and appearance requirements.
    • A zoning/building permit and occupancy permit are required, except in a manufactured-home park.
    • Class I or II homes may be permanent fixed dwellings in A-1 and A-1U where single-family dwellings are permitted, subject to zone setbacks and an administrative permit.

    minimum qualified manufactured-home floor area: >= 900 square feet (Qualified manufactured homes; additional compatibility standards apply)

    “Any person, firm, or corporation desiring to locate a manufactured home shall apply for a zoning/building permit, and an occupancy permit (excluding MHP).”
  • Off-grid sanitationLimited

    Private sewage disposal for residences inside Dry Ridge city.

    • For existing buildings within a reasonable distance of an existing or newly extended sanitary sewer line, private sewage disposal is prohibited.
    • The reasonable-distance determination is made by the legislative body and/or Grant County Board of Health.
    • Septic systems remain subject to health-department approval where public sewer is unavailable or otherwise permitted.
    “said building shall be required to connect with the public sanitary sewer system and the private sewage disposal system shall be prohibited.”
  • Mandatory utility hookupWater and sewer (with conditions)

    Residences inside Dry Ridge city on lots of one acre or less, and existing buildings within a reasonable distance of an existing or newly extended public sanitary sewer line.

    • The water and sanitary sewer systems must have adequate capacity and design and be approved by proper authorities.
    • Where a sewer line is within a reasonable distance, the private sewage-disposal system is prohibited.
    • The reasonable distance is determined by the legislative body and/or Grant County Board of Health.

    lot area threshold: <= 1 acre

    “No residence may be constructed in any zone on one acre or less unless such building is connected to adequate water and sanitary sewer system”
  • Subdividing landRegulated (with conditions)

    Subdivision and development inside Dry Ridge city under the adopted zoning ordinance and applicable subdivision regulations.

    • Record plats must conform to applicable subdivision regulations unless specifically waived by the planning commission.
    • Development requiring streets, sidewalks, sewers, water lines, or other improvements must comply with applicable subdivision-regulation provisions unless waived.
    “The Record Plat shall conform to the applicable requirements of the subdivision regulations, unless specifically waived by the planning commission.”
  • Short-term rentalsLimited

    Short-term vacation or housing rentals inside Dry Ridge city.

    • The zoning ordinance lists short-term vacation/housing rentals as permitted in residential districts for no more than 10 consecutive days.
    • The city permit page provides initial and annual short-term-rental applications.
    • District-specific zoning, registration, and other requirements may apply.

    maximum consecutive rental period: <= 10 days

    “Short-term vacation/ housing rentals, not to exceed 10 consecutive days”
  • Permit processPublished (with conditions)

    Zoning-permit applications for development inside Dry Ridge city.

    • Applications require a deed or approved plat, completed application, required fee, development/site plan when required, and a plot plan at a scale of at least one inch to 50 feet.
    • The plot plan must show buildings, lot lines, setbacks, topography, lot area, access points, driveways, drainage, sidewalks, walls, streets, easements, and water and sewer facilities.
    • The zoning administrator approves or disapproves; required planning-commission approval also applies when the ordinance requires it.
    • If a required building permit is not obtained within 90 consecutive calendar days after zoning-permit issuance, the zoning permit expires.

    zoning-permit expiration period: 90 consecutive calendar days (Unless required building permit is obtained)

    “All applications for zoning permits shall be accompanied by: 1. The deed for the property or an approved plat”

Rules another office applies inside Dry Ridge

Dry Ridge does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building code adoptedAdopted

    Construction inside Dry Ridge city under Kentucky's statewide building and residential codes, subject to local inspection-program rules.

    • The state adopted the 2018 Kentucky Building Code and 2018 Kentucky Residential Code on August 3, 2019.
    • The codes are based on the 2015 International Building Code and International Residential Code with Kentucky amendments.
    “The Department of Housing, Buildings and Construction adopted the 2018 Kentucky Building Code, Second Edition and the 2018 Kentucky Residential Code, Second Edition”
  • Minimum lot sizeSpecified

    R-1A Residential-One zone inside Dry Ridge city.

    • The cited dimensional standards are for permitted single-family uses.
    • Conditional uses have separate one-acre minimum-lot provisions.

    minimum lot area: >= 43560 square feet (One acre) · minimum lot width at building setback line: >= 120 feet

    “Minimum Lot Area – One acre; Forty three thousand five hundred sixty (43,560) square feet”
  • SetbacksSpecified

    R-1A Residential-One zone inside Dry Ridge city.

    • The cited standards are for permitted uses.
    • Conditional uses have different yard standards.
    • Dimensional variances may be available from the Board of Adjustment.

    front yard: >= 40 feet · side yard: >= 20 feet · rear yard: >= 25 feet

    “Minimum Front Yard Depth - Forty (40) feet Minimum Side Yard Width - Twenty (20) feet Minimum Rear Yard Depth - Twenty-Five (25) feet”
  • Lot coverageSpecified

    R-1A Residential-One zone inside Dry Ridge city.

    • The cited percentage applies to all buildings for permitted uses.
    • Conditional uses may have different standards.

    maximum lot coverage by all buildings: <= 40 percent (Permitted uses)

    “Maximum Lot Coverage by all buildings– Forty (40) %”
  • Building heightSpecified

    R-1A Residential-One zone inside Dry Ridge city.

    • The cited height applies to permitted uses.
    • Conditional uses also have a 35-foot maximum in the cited section.

    maximum building height: <= 35 feet

    “Maximum Building Height - Thirty-five (35) feet”
  • Who permits septicCounty

    Septic inspections and onsite-wastewater administration inside Dry Ridge city, which is in Grant County.

    • The Northern Kentucky Health Department serves Grant County.
    • Kentucky's onsite sewage program is administered through local health departments.
    “Northern Kentucky Independent Health Department - serving Boone, Campbell, Grant and Kenton counties”
  • Septic permitRequired

    Construction, installation, repair, replacement, or alteration of septic systems serving property inside Dry Ridge city.

    • A site evaluation application and soil information are required.
    • A certified installer applies for the installation permit after a suitable or provisionally suitable evaluation.
    • The permit and required fee must be obtained before installation.
    “the certified installer may apply at the Health Department for a permit to install the septic system.”
  • Septic inspectionRequired

    New septic-system installations and existing septic systems associated with building or remodeling permits inside Dry Ridge city.

    • The installer must request inspection before the work is covered.
    • Local building-code offices require inspection of an existing septic system before issuing a building or remodeling permit.
    “must then request an inspection from the Health Department before any of the work is covered.”
  • Agricultural exemptionAvailable (with conditions)

    Buildings used solely for agricultural purposes in the A-1 Agricultural-One zone inside Dry Ridge city.

    • No building-permit regulation is imposed for agricultural buildings used solely for agricultural purposes, except a 50-foot-or-greater front yard and 20-foot side yards.
    • Buildings intended for residences or non-agricultural activities require building permits.
    • The exemption does not eliminate other applicable zoning, health, utility, or safety requirements.

    front yard: >= 50 feet (Agricultural-building exemption) · side yard: >= 20 feet (Agricultural-building exemption)

    “Land used solely for agricultural purposes shall have no regulations imposed as to building permits for agricultural buildings”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Dry Ridge or Grant County directly.

  • Owner-builder exemption — Owner-builder exemption from Dry Ridge building requirements.
  • Minimum dwelling size — Minimum dwelling size inside Dry Ridge city.
  • Tiny homes — Tiny-home occupancy inside Dry Ridge city.
  • Well permit — Private wells inside Dry Ridge city.
  • Building in a floodplain — Floodplain development inside Dry Ridge city.

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 Dry Ridge publishes no rule on the point, not that none exists. Grant County’s page lists the county offices to call.

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