ADUs are allowed in RobinsonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Robinson, TX
Is your property eligible for an ADU?
# of Properties
3,066
Owner-occupied
70%
Zoning districts
19
Avg Home Value
$354,161
Median Lot Size
0.41 acres
Avg Income
$109,671
Residential Types:
3,066 housing units
Single Family
83%
2-3 Family
2%
Apts (4+ units)
3%
Other
11%
Zoning Districts:
5,796 parcels · 19 districts
SF-1
25%(1,440)
SF-2
15%(865)
PH
12%(702)
RE
11%(643)
Other
37%(2,146)
ADU Rules
What can you build in Robinson, TX?
Robinson, 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
- –Internal ADUs are not permitted in residential districts; maximum area is 0 sq ft when residential.
- –In non-residential districts, internal ADU maximum size is 49% of the main structure's gross floor area.
Detached ADU Size Limits
- –Maximum size 50% of principal dwelling floor area for detached ADU (by-right on lots ≥ 12,000 sq ft in residential districts).
- –Maximum size 50% of principal dwelling floor area for detached ADU (with Specific Use Permit on lots < 12,000 sq ft in residential districts).
Max Units
- –Residential lots: 1 ADU per lot by right (on lots ≥12,000 sq ft).
- –Non-residential districts: 1 ADU per lot, within the main structure; detached ADUs prohibited.
Parking
- –1 space/ADU (in addition to primary-use parking); no max stated; note: conflicting lines show 1/ADU in C-2 and 2/ADU in other districts; C-2 may grant a special exception to reduce parking; up to 50% of adjacent on-street spaces may count toward off-street; non-residential districts require ADU in main structure with parking per Article 11.
Rental Restrictions
- –In non-residential districts, ADU occupancy is limited to an on-site business employee and that employee's family; renting to the public or for short-term use is prohibited.
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.
McLennan County