ADUs are allowed in LorenaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lorena, TX
Is your property eligible for an ADU?
# of Properties
602
Owner-occupied
61%
Zoning districts
16
Avg Home Value
$265,372
Median Lot Size
0.40 acres
Avg Income
$99,722
Residential Types:
602 housing units
Single Family
87%
2-3 Family
5%
Apts (4+ units)
7%
Zoning Districts:
988 parcels · 16 districts
SF
64%(631)
IC
13%(129)
OTMS
6%(57)
R
5%(47)
Other
13%(124)
ADU Rules
What can you build in Lorena, TX?
Lorena, 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 internal ADU size: 25% of principal dwelling floor area
- –Maximum internal ADU size absolute cap of 800 sq ft
Detached ADU Size Limits
- –Maximum size of 25% of the principal structure's floor area for a detached accessory dwelling unit.
- –Absolute maximum of 800 sq ft for a detached accessory dwelling unit.
Max Units
- –0 per lot for Duplex and Multifamily (not permitted)
Owner Occupancy
- –The principal dwelling must be owner-occupied during ADU occupancy.
Parking
- –1 space per ADU; ADU limited to 1 bedroom; no waivers/reductions stated
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.
McLennan County