ADUs are allowed in Castleton TownshipTypes:Detached
Types:Detached
Accessory Dwelling Unit (ADU) Rules for Castleton Township, MI
Is your property eligible for an ADU?
# of Properties
1,376
Owner-occupied
55%
Zoning districts
17
Avg Home Value
$73,815
Median Lot Size
0.60 acres
Avg Income
$67,792
Residential Types:
1,376 housing units
401 RESIDENTIAL IMPROVED
100%
Zoning Districts:
1,742 parcels · 17 districts
Agricultural
36%(634)
R-B
17%(295)
R-A
10%(168)
Recreational La
9%(151)
Other
28%(494)
ADU Rules
What can you build in Castleton Township, MI?
Castleton Township, MI follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Special Permit
Detached ADU Size Limits
- –Maximum ADU living area of 1,000 sq ft
- –General cap: combined accessory building footprint limited to 150% of the principal footprint (not in RR or A); ADU counts toward this total
- –With special approval (outside RR and A), combined accessory area may be up to 2.5× footprint on <1 acre, 3.0× on >1–<5 acres, and 4.0× on ≥5 acres
Parking
- –1 space/ADU; Planning Commission may approve additional or fewer spaces; off-street parking must be on the same lot unless a shared driveway or recorded consolidated arrangement is approved
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 Michigan municipalities
Rules change at the town line. Check the municipality your property is actually in.
Barry County
Assyria TownshipBaltimore TownshipBarry TownshipCarlton TownshipCity Of HastingsHastings TownshipHope TownshipIrving TownshipJohnstown TownshipMaple Grove Township (Barry)Orangeville TownshipPrairieville TownshipRutland TownshipThornapple TownshipUnincorporated BarryWoodland TownshipYankee Springs Township