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Toledo, OH Accessory Structures: ADU Owner Occupancy (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Owner-occupancy required
Yes, for as long as ADU exists
Who must reside
Owner, in the principal dwelling
Governing subsection
Sec. 1105.0207(B)
Adopting ordinance
Ord. 440-25, passed 9-23-25
First-offense fine for violation
$75

Summary

Toledo requires the owner of any lot with an accessory dwelling unit to live in the principal single-family home for as long as the ADU exists, under Zoning Code Section 1105.0207(B).

B. Occupancy by Owner. The owner of each lot on which an accessory dwelling unit is established must maintain residence in the principal single-family dwelling unit for so long as the accessory dwelling unit exists. (Ord. 440-25. Passed 9-23-25.)

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-105: Complete to June 30, 2026).

Full Breakdown

Toledo's 2025 accessory dwelling unit ordinance ties ADU legality to continuous owner residency. " That means the ADU cannot be rented out as an investment unit separate from the main house while the owner lives elsewhere -- the owner must occupy the principal structure, not the ADU itself, for the accessory unit to remain lawful. 0207 standards: no more than one ADU per lot (subsection A), a separate exterior entrance for the ADU (subsection C), a footprint capped at 60 percent of the primary dwelling (subsection E), and a bar on mobile homes, RVs or travel trailers serving as ADUs (subsection L).

The owner-occupancy condition was adopted by Ordinance 440-25, passed September 23, 2025, and applies for the entire time the ADU exists on the lot -- if the owner moves out of the principal dwelling, the ADU's compliance with this section lapses.

Violations & Fines

Failing to maintain owner-occupancy of the principal dwelling while an ADU exists on the lot is a Zoning Code violation under Section 1115.0201/1115.0205 (using land inconsistent with the Zoning Code / violating a permit condition). Citations carry escalating fines of $75, $150, $300 and $600 for successive offenses under Section 1115.0507(C), and the City may pursue civil collection or injunctive relief under Section 1115.0504 if the violation is not corrected.

Frequently Asked Questions

Does the owner have to live on-site to keep an ADU legal in Toledo?
Yes. Section 1105.0207(B) requires the lot owner to maintain residence in the principal single-family dwelling for as long as the accessory dwelling unit exists on the property.
Can I live in the ADU and rent out the main house instead?
No. The ordinance specifies the owner must reside in the principal single-family dwelling unit, not the accessory unit, so renting out the main house while living in the ADU does not satisfy Section 1105.0207(B).
What happens if the owner moves away while the ADU is occupied?
The ADU falls out of compliance with Section 1105.0207(B)'s occupancy condition, exposing the property to a Zoning Code violation citation with fines starting at $75 and rising for repeat offenses.

Sources & Official References

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