ADUs are allowed in AlpineTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Alpine, TX
Is your property eligible for an ADU?
# of Parcels
3,145
Zoning districts
11
Avg Parcel Value
$172,086
Zoning Districts:
3,174 parcels · 11 districts
R-4
27%(850)
R-2
24%(772)
R-1
23%(728)
C-2
9%(278)
Other
17%(546)
ADU Rules
What can you build in Alpine, TX?
Alpine, TX 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: Conditional Use Permit
Owner Occupancy
- –No owner-occupancy requirement
Rental Restrictions
- –Detached ADU not to be used as a habitable unit or rental unless it qualifies as Accessory Living Quarters (guest-only, temporary).
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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