ADUs are allowed in VanTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Van, TX
Is your property eligible for an ADU?
# of Parcels
1,567
Zoning districts
13
Avg Parcel Value
$195,175
Zoning Districts:
1,585 parcels · 13 districts
R-1
78%(1,232)
AG
7%(115)
C-2
4%(58)
PI
3%(45)
Other
9%(135)
ADU Rules
What can you build in Van, TX?
Van, 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
Detached ADU Size Limits
- –Maximum area is 85% of the primary dwelling’s size when allowed by Special Use Permit.
Max Units
- –1 accessory building used for residential purposes per platted lot (Specific Use Permit required)
Owner Occupancy
- –Owner occupancy is not required.
Rental Restrictions
- –Detached ADU: guest houses may not be rented or used as a separate dwelling (no kitchen facilities).
- –Detached ADU: servant/caretaker quarters limited to employees on site and not for general rental.
- –STRs: allowed only if the unit is the registrant's primary residence and registered; no STR in locations not the registrant's primary residence.
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.
Van Zandt County