ADUs are allowed in SpringfieldTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Springfield, OH
Is your property eligible for an ADU?
# of Properties
24,745
Owner-occupied
56%
Zoning districts
34
Avg Home Value
$107,292
Median Lot Size
0.17 acres
Avg Income
$50,330
Residential Types:
24,745 housing units
Single Family
70%
2-3 Family
8%
Apts (4+ units)
2%
Condos
5%
Other
16%
Zoning Districts:
30,547 parcels · 34 districts
R-LD
47%(14,410)
R-HD
33%(10,133)
C-LC
5%(1,422)
C-HC
2%(740)
Other
13%(3,842)
ADU Rules
What can you build in Springfield, OH?
Springfield, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,200 sq ft for a lot with a one-unit dwelling and 1,000 sq ft for a lot with a two-unit dwelling; attached/internal ADUs are not permitted for other dwelling types (treated as 0 sq ft).
Detached ADU Size Limits
- –Maximum ADU size by principal dwelling type: 1,200 sq ft (one-unit), 1,000 sq ft (two-unit), 900 sq ft (three-unit), 850 sq ft (four-unit), and 800 sq ft (townhouse or multi-unit).
- –Maximum size of 50% of the principal structure’s floor area for any detached accessory building, including a detached ADU.
Max Units
- –1 ADU per lot
Owner Occupancy
- –Owner must occupy the principal dwelling or ADU as permanent residence.
Parking
- –1 space/ADU; exceptions: up to 50% of public parking within 500 ft may count toward the maximum; on-street spaces abutting the lot may count; off-site parking within 1,500 ft with approval; Board of Zoning Appeals may increase beyond the maximum with demonstrated need and mitigated impacts
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.
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ADU rules in other Ohio municipalities
Rules change at the town line. Check the municipality your property is actually in.
Clark County