Oak Lawn

Also known as Uptown, Turtle Creek, Cedar Springs, The Gayborhood, Oak Lawn Heights, Perry Heights, Highland Park (adjacent), State-Thomas (adjacent)

ADU Pass helps homeowners in Oak Lawn — a USPS locale inside Dallas, Dallas County, Texas — navigate the permit paperwork for building an accessory dwelling unit. This locale covers 1 ZIP code.

1 ZIP code

Locale-specific ADU details

Site (parcel physics)

Slope:

Mean slope3%
Parcels over 12% slope2%

Soil:

Dominant classHouston Black clay (Vertisol, Udic Haplustert) with Eagle Ford shale at moderate depth
Expansive clay risk85%

Lot profile:

Median lot size5,500 sqft
Median lot width45 ft
Median existing FAR1.85
Parcels with alley access35%
Flag-lot parcels1%

Geo-hazards:

Seismic designationA
Parcels in FEMA SFHA4%
Bedrock depth (median)22 ft
Groundwater depth (median)18 ft

Recent ADU permit activity

Window12 months ending 2024-12-31
Approved / withdrawn / denied0 / 0 / 0
Dominant typenone

Utility capacity (upgrade likelihood)

Housing stock age:

% built pre-196022%
% built pre-198055%
Median year built1,978

Electric service drop:

% overhead service40%
Panel-upgrade likelihood30%

Sewer lateral:

Replacement likelihood40%
Typical replacement cost$9,000

Water pressure:

ZoneDallas Central Pressure Zone
Typical PSI58 psi
Sprinkler trigger PSI20 psi

Gas availability: available — Full gas service throughout Oak Lawn via Atmos Energy Mid-Tex. Texas HB 17 (2021) prohibits Texas cities from adopting all-electric mandates; Dallas has no electrification ordinance.

Locale property values

Median value$425,000
Median tax$7,055/yr
Effective rate1.7%

Oak Lawn (ZIP 75219) aggregate median property value combines a heavy mid-rise/high-rise condo base with a small number of single-family parcels. Zillow and Redfin neighborhood trackers for Oak Lawn / ZIP 75219 reported median sale price in the low-$400Ks through 2024-2025, roughly 1.4x the Dallas citywide median ($295K). The aggregate hides a bimodal distribution: mid-rise condo units cluster $250K-$600K; Turtle Creek high-rise condos run $800K-$3M+; the rare Oak Lawn Heights or Perry Heights single-family homes run $700K-$1.5M. Effective property-tax rate is the Dallas County countywide effective rate (DISD + City + County + Parkland + Dallas College blended). The Texas Residence Homestead 10% appraisal cap limits year-over-year assessed-value increases on owner-occupied primary residences. ADU-relevant valuation — the single-family subset — trends significantly higher than the aggregate.

Locale market rent

Sq ftRent
400$1,450/mo
600$1,775/mo
800$2,050/mo

Locale HOA prevalence

% parcels under HOA85%

Oak Lawn has the highest HOA prevalence of any Dallas locale outside the downtown core, because it is almost entirely high-rise / mid-rise condominium stock. Every high-rise condominium building (3525 Turtle Creek, The Claridge, The Mayfair, Renaissance Tower, Bonaventure, and dozens of similar mid-rises and high-rises) is organized as a condominium association under Texas Property Code Ch. 82. Condo CC&Rs universally govern architectural modifications including any attempt to create a separate accessory dwelling unit — which is structurally impossible in high-rise condo stock anyway. The small single-family subset (Oak Lawn Heights, Perry Heights) is largely outside formal HOA control, though several parcels carry restrictive covenants from original pre-war plats.

Locale overlays (4)

  • other — Planned Development District No. 193 (PD-193) — the Oak Lawn Special Purpose District — covers most of Oak Lawn. Adopted 1984-10-24 by Ord. 18741, codified as Dallas Development Code Sec. 51P-193. PD-193 replaces base zoning across the district with a site-specific schedule of multifamily (MF-1A/MF-2A/MF-3A), mixed-use (MU-1/MU-2/MU-3), office (O-2), general retail (GR), and commercial-retail (CR) subdistricts.
    PD-193 is the single most important regulatory overlay for Oak Lawn ADU analysis. It is the structural reason ADU permits under Sec. 51A-4.510 are not buildable on the majority of Oak Lawn parcels: the ADU overlay attaches to single-family base zoning, and PD-193's subdistricts are not single-family. PD-193 also imposes its own height caps (typically 36 ft in MF-1A, 45 ft in MF-2A, higher in MU/Tract zones), landscape requirements, and streetscape standards that govern above any citywide ADU rules.
  • airport-noise-zone — Dallas Love Field AICUZ (Air Installations Compatible Use Zones) and 65 dB DNL noise contour cover portions of western Oak Lawn — most meaningfully the area west of Inwood Rd / between Lemmon Ave and Maple Ave.
    Love Field sits ~3 miles northwest of Oak Lawn. The 65 dB DNL contour is generally east of Inwood Rd — about one-third to one-half of Oak Lawn's western area sits inside a detectable noise contour. For residential construction (including the rare single-family-predicate ADU), Dallas's noise-attenuation recommendations apply: higher-STC windows, wall assemblies, and HVAC sound-isolation. Not a prohibition; a construction-spec delta.
  • historic-district — Vickery Place is separately designated east of Oak Lawn; small portions of southeastern Oak Lawn abut the State-Thomas Historic District. Within Oak Lawn proper, individual designated Dallas Landmarks include the Belo Mansion, the Aldredge House, and several Turtle Creek-area residences, but there is no neighborhood-level historic or conservation district blanketing Oak Lawn itself. · +45d · +10% cost
    Landmark-parcel owners must obtain a Certificate of Appropriateness for exterior alterations. Not a blanket Oak Lawn overlay; applies only to individually-listed parcels. Does not govern most Oak Lawn properties.
  • flood-zone — Turtle Creek corridor — parcels immediately along Turtle Creek Blvd and Turtle Creek itself — intersect FEMA-mapped Special Flood Hazard Areas (Zone AE) in a narrow strip. Most Oak Lawn parcels sit on the gentle Trinity Terrace rise west of the creek and are in Zone X (minimal flood risk). · +21d · +15% cost
    Creek-adjacent parcels (Turtle Creek Blvd, Gillespie, parts of Cedar Springs near the creek) require elevation certificates and compliance with Dallas floodplain ordinance. Most Oak Lawn parcels are not in SFHA.

Inherited from the city

These sections come from the city page. Click through to the Dallas ADU research for details.

  • legal history
  • size range
  • permitting process & fees
  • permit forms
  • contacts
  • utilities
  • incentives
  • viability
  • resale value impact
  • construction timeline
  • pre-approved plans
  • financing
  • service complexity
Dallas — city ADU rules and incentives

ADU legality: unclear

Texas leaves ADU regulation to local municipalities under home-rule or Dillon-rule authority. Dallas permits ADUs subject to local conditions per its zoning ordinance.

City cost envelope

$117,300 all-in for a 525 sqft ADU (permit + build). Midpoint scenario.

Permit fee bundle: $2,905 (2026-04).

City viability (selected uses)

Long-term rentalyes
Short-term rentalwith-restrictions
Home officeyes
Relative supportyes
Dallas County — county ADU rules and overlays

County regulatory overlays

Dallas County's county-level overlays apply only inside its small unincorporated footprint (under 10% of county land, primarily southeastern Dallas County). The two material overlays at county scope are FEMA-mapped Special Flood Hazard Areas administered by Dallas County Public Works under the county's floodplain ordinance, and the countywide Trinity Common Vision Program governing floodplain management along the Trinity River corridor. Inside incorporated cities — where the vast majority of Dallas County residents and ADU-candidate parcels sit — overlay administration is a city function (e.g., the City of Dallas administers its own Escarpment Zone at Dallas Development Code Art. V and its own Floodplain regulations at Div. 51A-5.100). There is no countywide WUI / wildland-fire hazard overlay of the kind seen in California or Washington; North Texas's fire-hazard regime is ESD-by-ESD rather than a county-administered WUI zone.

  • Dallas County Floodplain Management (FEMA NFIP participation) — A new ADU in a Zone AE parcel must be elevated to or above the Base Flood Elevation per the county ordinance and is generally not permitted as a basement or ground-floor sleeping space.
  • Trinity Common Vision Program — Structures including ADUs proposed within the Common Vision corridor face stricter review than FEMA NFIP alone and may require a No-Rise Certificate from a Texas-licensed engineer.
  • On-Site Sewage Facility (OSSF) jurisdiction — An ADU counts as an additional dwelling for OSSF sizing purposes, which can trigger system expansion on undersized lots and may be infeasible on very small unincorporated parcels.

County permitting (unincorporated parcels)

Dallas County regulates construction in unincorporated areas through the Department of Unincorporated Area Services (DUAS), in partnership with the Dallas County Fire Marshal's Office and Public Works. Because the county has no zoning authority (see countyOrdinance), DUAS does not restrict whether an ADU may be built — it regulates only subdivision/plat compliance, residential building-code inspection, on-site sewage (OSSF) compliance, floodplain compliance, 911 addressing, and nuisance abatement. A detached secondary dwelling on an unincorporated parcel is permitted as an ordinary residential structure through DUAS's building-permit pathway; there is no separate 'ADU permit' because there is no county use category for accessory dwellings. Unincorporated Dallas County comprises under 10% of county land area, primarily in the southeastern corner of the county. Most ADU activity in Dallas County occurs in incorporated cities (notably the City of Dallas ADU Overlay at Dallas Development Code Sec. 51A-4.510), which are governed by city-level permitting, not this section.

DepartmentDallas County Department of Unincorporated Area Services (DUAS)
AddressRecords Building, 500 Elm Street, Suite 6100, Dallas, TX 75202
Phone214-653-6565
Emaildevelopment@dallascounty.org
Texas state — ADU law and programs

State ADU law

Texas has NOT enacted a statewide ADU preemption or ADU-by-right statute. Local governments (municipalities and counties) retain full authority over ADU zoning, setbacks, parking, size limits, owner-occupancy, and permitting. Two recent housing-reform bills in the 89th Legislature (2025) touch density and zoning procedure but do NOT preempt ADU-specific local rules: SB 15 (Bettencourt, signed 2025-06-20, effective 2025-09-01) caps minimum single-family lot sizes in cities over 150,000 in counties over 300,000, and HB 24 (signed 2025-06-20, effective 2025-09-01) raises the protest petition threshold for zoning changes. A dedicated ADU-preemption bill — SB 673 (Hughes, 2025) — passed the Texas Senate on 2025-04-10 and was reported favorably by the House Land & Resource Management Committee on 2025-05-08, but died on the General State Calendar when the 89th Regular Session adjourned on 2025-06-02. In the absence of a state ADU statute, homeowners must consult the ordinance of the municipality (or the county's subdivision rules for unincorporated areas) where the lot sits.

State financing programs

Texas does not operate an ADU-specific statewide loan, grant, or forgivable-loan program comparable to California's CalHFA ADU Grant. The Texas Department of Housing and Community Affairs (TDHCA) administers the state's general housing finance programs — My First Texas Home, My Choice Texas Home, Mortgage Credit Certificates, multifamily Housing Tax Credits, the Homeowner Assistance Fund, and Housing Trust Fund awards. None target ADU construction directly, but several can apply to an ADU as part of a primary-residence purchase or refinance when program criteria are met. ADU-specific financing in Texas is primarily local: the City of Austin's ADU Loan Program (administered through Neighborhood Housing and Community Development) and a handful of smaller pilot programs are the most visible, but these sit at the city tier, not the state tier.

Federal (United States) — ADU-relevant rules and programs

Federal ADU law

The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.

Federal financing programs

Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.

Federal tax credits

There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.

Federal housing programs

HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.

ZIP Code

  • 75219

Post Office

  • 2825 Oak Lawn Ave, 75219