ADUs are allowed in LockhartTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lockhart, TX
Is your property eligible for an ADU?
# of Parcels
6,474
Zoning districts
15
Avg Parcel Value
$340,768
Zoning Districts:
6,492 parcels · 15 districts
RMD
54%(3,515)
RLD
18%(1,183)
PDD
10%(636)
RHD
4%(270)
Other
14%(888)
ADU Rules
What can you build in Lockhart, TX?
Lockhart, 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 ADU (General): maximum of 1,000 sq ft or 50% of the primary dwelling’s floor area, whichever is greater
- –Internal ADU (Limited): maximum of 600 sq ft or 50% of the primary dwelling’s floor area, whichever is greater
Detached ADU Size Limits
- –Detached ADU – General: maximum habitable floor area is the greater of 1,000 sq ft or 50% of the primary dwelling floor area.
- –Detached ADU – Limited: maximum habitable floor area is the greater of 600 sq ft or 50% of the primary dwelling floor area.
Max Units
- –1 ADU per lot for single-family dwellings (General and Limited). Duplex and multifamily lots: none specified.
Owner Occupancy
- –Owner must reside in either the primary or ADU
Parking
- –ADU-General: 2 off-street spaces; ADU-Limited: 1 off-street space. General only where duplex is allowed by-right; Limited requires owner-occupancy, shared meter, and occupancy up to two related/serving the owner. Driveways may count in residential districts; in RLD/RMD, off-street parking must be on the same tract as the dwelling.
Rental Restrictions
- –ADU-Limited: occupancy limited to two people who are family members, guests, caretakers, or other domestic employees of the owner/occupant; effectively precludes leasing to unrelated tenants.
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.
Caldwell County