

ADUs are allowed in College StationTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for College Station, TX
Is your property eligible for an ADU?
# of Parcels
22,569
Zoning districts
34
Avg Parcel Value
$732,202
Zoning Districts:
22,567 parcels · 34 districts
GS
59%(13,221)
PDD
16%(3,514)
MH
4%(1,006)
GC
3%(680)
Other
18%(4,146)
ADU Rules
What can you build in College Station, TX?
College Station, 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
Detached ADU Size Limits
- –Maximum size is the greater of 25% of the principal dwelling’s habitable floor area or 400 sq ft (cap applies to all accessory uses combined).
Max Units
- –Single-family: 1 accessory living quarter per building plot
Owner Occupancy
- –Owner must reside on-site as primary residence.
Parking
- –1 space per bedroom; studio ADU must have at least 1 off-street space; garages may count; shared/off-site parking via alternative plan (within 500 ft with agreement); NG Northgate: 75% of standard; some on-street spaces may count.
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.
Brazos County