

ADUs are allowed in AllianceTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Alliance, OH
Is your property eligible for an ADU?
# of Properties
9,482
Owner-occupied
50%
Zoning districts
12
Avg Home Value
$104,460
Median Lot Size
0.15 acres
Avg Income
$57,659
Residential Types:
9,482 housing units
Single Family
68%
2-3 Family
5%
Apts (4+ units)
7%
Other
20%
Zoning Districts:
11,447 parcels · 12 districts
R-1
73%(8,372)
B-2
6%(695)
R-2
5%(584)
I-2
4%(510)
Other
11%(1,286)
ADU Rules
What can you build in Alliance, OH?
Alliance, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Not addressed in the local bylaw
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Ohio municipalities
Rules change at the town line. Check the municipality your property is actually in.
Mahoning County