Bolthole Index

Lorain County, Ohio

Zoning, building permits and septic rules in Avon, Ohio

Inside Avon, Ohio (Lorain County), the city runs its own zoning: a zoning permit is required before building, changing a use or starting a home occupation1. The city's Building Department is certified to enforce the Ohio building code and covers residential projects2. Septic and well rules for non-sewered lots stay with Lorain County Public Health and the state3.

At a glance

Zoning
Yes: Avon's Planning and Zoning Code requires a zoning permit for most building and use changes1
Building permits
Issued by the City of Avon Building Department, not by Lorain County24
Certificate of occupancy
Required once a zoning permit has been issued, before the building is occupied5
Owner-builder
Owners of a one-family home may do their own work, but every required permit and inspection still applies6
Septic
Lorain County Public Health oversees household septic systems; Avon's sewer rules apply on sewered lots37
Sewer connection
New dwellings must connect to one of two plants, depending on location in Avon8

Who to call

Building permits

City of Avon Building Department

Building permits and inspections for residential, commercial and industrial projects inside Avon

440-937-7811

36600 Detroit Road, Avon, OH 44011

Zoning

City of Avon Zoning Enforcement Officer

Zoning permits and zoning questions inside Avon

440-937-7810

contactzoning@cityofavon.com

36600 Detroit Road, Avon, OH 44011

Septic permits

Lorain County Public Health - Household Sewage Treatment Systems

Operation and maintenance permits for household septic systems in Lorain County

440-322-6367

9880 Murray Ridge Rd., Elyria, OH 44035

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 Avon means bringing your own water and power. The kit we’d start with:

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Does Avon, Ohio have zoning, and what does it cover?

Yes. Avon's Planning and Zoning Code applies anywhere in the city, and no building or structure may be erected, enlarged, structurally altered or moved, and no use established or changed, until a zoning permit is issued by the Zoning Enforcement Officer, unless the code says a permit is not needed1. The Zoning Enforcement Officer reviews single- and two-family dwellings; other permitted uses need Planning Commission approval, special uses need Planning Commission and Council approval, and variances go to the Board of Zoning and Building Appeals9.

We could not confirm Avon's rules on RV occupancy, tiny homes, accessory dwellings, minimum lot size or setbacks for single-family districts. Ask the Zoning Enforcement Officer at10 for the district your parcel sits in before you make an offer.

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

Avon issues its own. The City of Avon Building Department is certified by the Ohio Department of Commerce Board of Building Standards to enforce the Ohio building code, and all residential, commercial and industrial projects in the city fall under its authority2. Lorain County does not operate a building department, so work inside a municipality goes to that municipality4.

After a zoning permit is issued and before anyone occupies the new building, Avon requires a certificate of occupancy5. The certificate is issued only after an inspection finds the work conforms to the zoning code and the permit conditions11.

An owner of a one-family dwelling does not need a contractor license to do their own work on a home they will live in, with only family or household help, but all permits, inspections and approvals under the residential code still apply6.

Who do you call at Avon's building and zoning offices?

The Building Department is at 36600 Detroit Road, Avon, OH 44011, phone 440-937-78112. Zoning questions and zoning permit applications go to the Zoning Enforcement Officer at 440-937-7810 or contactzoning@cityofavon.com10. Zoning permit applications are available from the Zoning Enforcement Officer's office and are submitted with the fee9.

How do septic permits work inside Avon?

Most of Avon is on public sewer, and that matters for septic. Inside the area served by Avon's sanitary sewer system, or any extension of it, the city code bans privies, cesspools and private sewer connections7. New dwellings must connect to either the French Creek plant in North Ridgeville or the Avon Lake plant, depending on where in Avon the lot sits8. The sewer connection permit application carries a $20 fee12.

We could not confirm which office permits a septic system on a lot inside Avon that is not served by sewer. Across Lorain County, Lorain County Public Health oversees household sewage treatment systems and requires an operation and maintenance permit3. Ohio rules require a board of health installation or alteration permit for any new or replacement system13. Call14 to confirm how it applies to your address.

Can you live in an RV or tiny home on your land in Avon?

We could not confirm. Avon's zoning code is the controlling document, and we did not find a provision on RV occupancy, temporary camping or tiny homes in the material we reviewed. Ohio's campground rules cover licensed campgrounds, not a private lot15. Ask the Zoning Enforcement Officer10 before you park an RV to live in or plan a small dwelling.

Any manufactured home installed in Ohio generally may not be occupied until the state inspector issues the inspection seal16.

Building a home in Avon: the steps, in order

  1. Ask the Zoning Enforcement Officer which district the parcel is in and what it allows10.
  2. Confirm sewer: check which treatment plant serves the lot and apply for the sewer connection permit8.
  3. Obtain the zoning permit before work starts1.
  4. Apply for building permits from the Avon Building Department2.
  5. If any part of the lot lies in a mapped flood hazard area, get a floodplain development permit from the Floodplain Administrator before filling, grading or building17.
  6. Pass inspections and obtain the certificate of occupancy before moving in5.

What stays with Lorain County, and what should you check before buying in Avon?

Avon's city rules apply inside city limits only. For land outside Avon, see the Lorain County page. Septic and private water systems stay with the health district: a well permit application must go to the board of health before a private water system is built, altered or sealed18.

Property tax is set county-wide: Lorain County's effective property tax rate is about 1.4%19. Lorain County has about 648 people per square mile20, so expect a suburban setting rather than open country.

Watch-outs

  • Avon's zoning permit requirement applies to nearly any new building, enlargement or change of use, so confirm the permit before hiring a contractor1.
  • Contractors working in Avon must be registered with the city for 2026, so check the Building Department's registered list before hiring2.
  • We could not confirm Avon's rules on minimum lot size, setbacks, accessory dwellings, short-term rentals or agricultural uses; ask the Zoning Enforcement Officer for your parcel's district10.

Sources

  1. Avon, Ohio Code of Ordinances (Avon), quoted and re-checked
  2. City of Avon Building Department (cityofavon.com)
  3. Household Sewage Treatment Systems, quoted and re-checked
  4. FAQs - Does the County have a Building Department?, quoted and re-checked
  5. ACO 1226.05 Certificate of Occupancy (Avon), quoted and re-checked
  6. codelibrary.amlegal.com (Avon), quoted and re-checked
  7. ACO 1042.04 Private Sewers Prohibited If Sanitary System Available (Avon), quoted and re-checked
  8. ACO 1042.02 Sanitary Sewer Charges (Avon), quoted and re-checked
  9. ACO 1226.02 Zoning Permits Required (Avon), quoted and re-checked
  10. City of Avon Zoning Enforcement Officer (cityofavon.com)
  11. ACO 1226.05 Certificate of Occupancy (Avon), quoted and re-checked
  12. ACO Chapter 1042 Sewers (Avon), quoted and re-checked
  13. Rule 3701-29-09 | Site review and permits for STS installation and operation (Ohio statewide rule), quoted and re-checked
  14. Lorain County Public Health - Household Sewage Treatment Systems (loraincountyhealth.com)
  15. Rule 3701-26-04 | Campground requirements (Ohio statewide rule), quoted and re-checked
  16. Chapter 4781-7 | Manufactured home inspections (Ohio statewide rule), quoted and re-checked
  17. ACO 1464.13 Floodplain Development Permits (Avon), quoted and re-checked
  18. Chapter 3701-28 Private Water Systems, quoted and re-checked
  19. Effective property tax rate: Bolthole Index county data
  20. Population density: 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 Avon

Avon’s own rules

  • Owner-builder exemptionConditional

    An owner of a single or one-family dwelling personally performing work on premises occupied, or to be occupied, by that owner or the owner's established resident.

    • Only family or household assistance is allowed.
    • All permits, inspections, and approvals required by the RCO Code must be secured.
    “No provision of this chapter or of the RCO Code, as adopted in Section 1428.01, shall be interpreted to require that the owner of a single or one-family dwelling shall be licensed or registered or hold a certificate of qualification personally to perform work upon the premises occupied, or to be occupied, by such owner thereof or by such owner’s established resident.”
  • InspectionsRequired

    Buildings or land requiring a zoning certificate of occupancy inside Avon city limits.

    • Inspection determines conformity with the Planning and Zoning Code, zoning permit requirements, and approved development plan.
    “A certificate of occupancy shall only be issued after the completion of the erection or alteration of the building or structure, or part thereof, and the proposed use are found upon inspection to be in conformity with the provisions of this Planning and Zoning Code and to the requirements and conditions included in the zoning permit.”
  • Certificate of occupancyRequired

    Occupancy of buildings, structures, and changed land uses for which a zoning permit is required inside Avon city limits.

    • A use, building, or structure for which no zoning permit is required does not require a certificate of occupancy.
    • parameters are not applicable.
    “After receiving a zoning permit in accordance with Sections 1226.02 and 1226.03, and prior to the occupancy of such building or structure, a certificate of occupancy shall be required to ensure compliance with this Planning and Zoning Code and approved development plan.”
  • Local zoningPresent (with conditions)

    Land inside Avon city limits.

    “Except as specifically permitted in this Planning and Zoning Code, no building or structure shall be erected, constructed, enlarged, structurally altered, or moved in whole or in part, no use shall be established or changed, and no home occupation shall be operated anywhere in the City until a zoning permit is issued by the Zoning Enforcement Officer, unless it is clearly stated in this Planning and Zoning Code that a zoning permit is not required.”
  • Off-grid sanitationLimited

    Lots inside the area served by Avon’s sanitary sewerage system or its extensions.

    • The stated ban is limited to areas served by the sanitary sewerage system or an extension.
    • Section effective January 1, 1996.
    “No owner, agent, lessee, tenant or occupant of any lot or land located within the area serviced by the sanitary sewerage system or any extension thereof shall establish, construct, maintain or permit to remain a privy (outdoor toilet), cesspool or other receptacle for sewage, or a connection to a private sewer, ditch or other outlet.”
  • Mandatory utility hookupSewer (with conditions)

    New dwellings inside Avon city limits.

    • Required sewer supplier depends on geographic location within Avon.
    • Applicable fees are additional.
    “In addition to all other charges, new dwellings must connect to either the French Creek Wastewater Treatment Plant sewer (North Ridgeville) or the Avon Lake Wastewater Treatment Plant sewer, depending on the geographical location within the City of Avon.”
  • Building in a floodplainRequired

    Development wholly, partially, or in contact with an identified special flood hazard area inside Avon city limits.

    • Permit must be obtained from the Floodplain Administrator before work begins.
    • All floodplain permits must be signed by the Floodplain Administrator and City Engineer.
    “It shall be unlawful for any person to begin construction or other development activity, including but not limited to filling, grading, construction, alteration, remodeling, or expanding any structure, or alteration of any watercourse wholly within, partially within or in contact with any identified special flood hazard area, as established in Section 1464.06, until a floodplain development permit is obtained from the Floodplain Administrator.”
  • Permit feesPublished (with conditions)

    Public-sewer connections inside Avon city limits.

    • The fee applies to the sewer permit described in the ordinance.
    • Effective January 1, 2023.

    sewer connection permit fee: 20 USD

    “The application shall be accompanied by a fee of twenty dollars ($20.00) effective January 1, 2023.”
  • Permit processPublished (with conditions)

    Zoning permits inside Avon city limits.

    • Single- and two-family dwellings are reviewed by the Zoning Enforcement Officer.
    • Other permitted uses need Planning Commission approval; special uses require Planning Commission and Council approval; variances require Board of Zoning and Building Appeals approval.
    “Applications for zoning permits and home occupation permits are available in the office of the Zoning Enforcement Officer. A completed application form accompanied by all other applicable submission requirements shall be submitted by the applicant to the Zoning Enforcement Officer along with the appropriate fee.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Avon or Lorain County directly.

  • Minimum dwelling size — Single-family residential districts inside Avon city limits.
  • Minimum lot size — Single-family residential districts inside Avon city limits.
  • Setbacks — Single-family residential districts inside Avon city limits.
  • Lot coverage — Single-family residential districts inside Avon city limits.
  • Building height — Single-family residential districts inside Avon city limits.
12 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Short-term rentals

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

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