ADUs are allowed in RockportTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Rockport, TX
Is your property eligible for an ADU?
# of Parcels
7,614
Zoning districts
16
Avg Parcel Value
$426,678
Zoning Districts:
7,581 parcels · 16 districts
R-1
34%(2,611)
R-2
29%(2,225)
B-1
12%(934)
PUD
5%(395)
Other
19%(1,416)
ADU Rules
What can you build in Rockport, TX?
Rockport, 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 an internal or attached accessory dwelling is 50% of the main residence's size.
Detached ADU Size Limits
- –Maximum detached ADU size is 50% of the main residence floor area.
Max Units
- –1 ADU per residential lot
Parking
- –No explicit ADU parking min/max; parking to be same as a similar use per code official; accessory buildings must meet general off-street parking.
Rental Restrictions
- –ADUs may not be rented; accessory living quarters, whether detached or attached, shall not be for rent or used as an independent dwelling unit.
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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Is your property eligible for an ADU?
ADU rules in other Texas municipalities
Rules change at the town line. Check the municipality your property is actually in.
Aransas County