ADUs are allowed in SmithvilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Smithville, TX
Is your property eligible for an ADU?
# of Parcels
2,330
Zoning districts
14
Avg Parcel Value
$238,016
Zoning Districts:
2,303 parcels · 14 districts
SF-1
45%(1,026)
SF-2
21%(492)
MR
10%(239)
C-3
6%(133)
Other
18%(413)
ADU Rules
What can you build in Smithville, TX?
Smithville, 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
Max Units
- –Duplex/two-family: 0 ADUs per lot; Multifamily: 0 ADUs per lot
Owner Occupancy
- –Owner-occupancy is not required.
Parking
- –1 space/ADU; adds to base 2 spaces for a single-family dwelling; applies when property has a garage apartment or a guest house; general off-street standards apply.
Rental Restrictions
- –Detached ADU: long- or medium-term rental prohibited; short-term rental prohibited.
- –Attached ADU: short-term rentals require city permit and must be for at least 24 hours.
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.
Bastrop County