ADUs are allowed in SilsbeeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Silsbee, TX
Is your property eligible for an ADU?
# of Parcels
4,108
Zoning districts
10
Avg Parcel Value
$158,542
Median Parcel Size
0.33 acres
Zoning Districts:
4,238 parcels · 10 districts
R-1
57%(2,430)
C-2
18%(775)
R-3
13%(561)
MH
7%(283)
Other
4%(189)
ADU Rules
What can you build in Silsbee, TX?
Silsbee, TX 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 1,600 sq ft for attached/internal ADUs
Detached ADU Size Limits
- –Maximum size of 1,600 sq ft for a detached accessory dwelling unit
Max Units
- –2 ADUs per lot total (attached or detached)
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –1 off-street space per ADU; must be on the same lot as the principal use and not in the required front yard; space at least 9×18 ft with an all-weather surface and connected by an all-weather driveway.
Rental Restrictions
- –Garage apartments must be occupied by family members of the occupant of the principal dwelling; renting to unrelated tenants is prohibited.
ADU State Law
What can you build in Texas?
- –Texas does not have a statewide ADU law. ADUs are regulated entirely at the local level.
- –ADU rules vary significantly by city, and many jurisdictions prohibit ADUs outright.
- –Counties generally lack zoning authority, but other restrictions may still apply outside city limits.
- –Outside city limits, ADU feasibility often depends on subdivision rules, deed restrictions, and septic or fire requirements.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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 Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Hardin County