Lakewood, OH Accessory Structures: Garage Conversions (2026)
Garage conversion rules in Lakewood, OH, sometimes called garage-to-ADU or accessory living unit conversions, govern permits, ceiling height, egress, and parking replacement.
Key Facts
- Code Section
- LCO Sec. 1133.06; 1161.03(bb)(4)
- Conversion Rule
- No single-family structure altered for >1 family except an ADU
- Garage-to-ADU
- Existing garage must meet current Building Code
- Max Garage Size
- 480 sq ft (Sec. 1123.03(a))
- Approvals
- Conditional use + ABR + building permits + deed restriction
Summary
A single-family structure may not be altered to house more than one family, but Section 1133.06 now permits an accessory dwelling unit over an existing garage, provided that garage meets current Building Code under Section 1161.03(bb)(4).
1133.06 Conversion Of Single-Family Structure Prohibited. No single-family structure shall be converted to or enlarged or altered to accommodate more than one (1) family, except that an accessory dwelling unit can be constructed or located on certain lots in accordance with Section 1161.03(bb). ... 4) For any accessory dwelling unit proposed over an existing accessory structure (i.e., a garage) the existing structure must meet current Building Code requirements.
Full Breakdown
Lakewood Codified Ordinance Section 1133.06 prohibits converting, enlarging, or altering a single-family structure to accommodate more than one family, except that an accessory dwelling unit may be constructed or located on certain lots under Section 1161.03(bb). For any ADU proposed over an existing accessory structure such as a garage, Section 1161.03(bb)(4) requires that the existing structure meet current Building Code requirements. A detached garage itself is a permitted accessory use under Section 1123.03(a), capped at 480 square feet (or the rear-yard coverage allowance, whichever is greater, not exceeding Section 1123.09(d)). Converting a garage's ground floor into living space, or adding an ADU above it, therefore requires conditional-use approval, Architectural Board of Review review, building permits, and a recorded deed restriction. Ohio's statewide Residential Code (RC Ohio) governs the construction standards for the converted space.
Violations & Fines
Converting a single-family structure or garage to add a second dwelling unit without an ADU conditional-use approval violates Section 1133.06; an ADU over a garage that does not meet current Building Code will not be approved under Section 1161.03(bb)(4).
Frequently Asked Questions
Can I convert my garage into an apartment in Lakewood?
How big can a detached garage be?
Do I need permits to convert a garage?
Sources & Official References
Other rules in Lakewood
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