Medrano

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Gas availability: available — Atmos Energy serves the Medrano cluster. Texas HB 17 (2021) prohibits cities from adopting gas bans; Dallas has no electrification ordinance. Gas service is routine. Preston Hollow teardown-rebuilds increasingly elect all-electric by choice (heat-pump HVAC, induction cooking) for insurance and energy-efficiency reasons rather than regulatory mandate.

ZIPs 75220 and 75229 are among the higher-priced residential ZIPs in the City of Dallas, roughly 2-2.5x the Dallas citywide median of $295K. Preston Hollow portions see significant teardown-and-rebuild activity with new-construction prices $1.5M-$4M+; Midway Hollow sees steady appreciation in its original 1950s-1960s ranch-home stock with frequent renovation activity.

Approximately 15% of parcels in the Medrano cluster carry HOA coverage, concentrated in (a) Preston Hollow subdivision pockets with active homeowners-association enforcement of architectural covenants, (b) mid-rise and townhome condominium developments along Walnut Hill and Webb Chapel, (c) newer gated enclaves in the 75229 corridor. Original 1950s subdivisions on larger lots typically have no HOA but carry private deed restrictions (see regulatoryOverlays). Texas Property Code Chapter 202 upholds pre-existing covenants where they exist.

• airport-noise-zone — Portions of the southern Medrano cluster (ZIPs 75220 and 75209 fringes) fall within the Dallas Love Field AICUZ (Air Installations Compatible Use Zones) departure/arrival contours. The Love Field runway centerline runs just south of the cluster. · +15d · +5% cost
  ADUs in affected parcels may require enhanced sound attenuation (higher STC-rated windows, walls, doors) per FAA Part 150. Not a prohibition — a construction-spec delta. Affects southern Medrano cluster more than northern portions.
• flood-zone — A small share of the Medrano cluster along Bachman Branch / Bachman Lake tributaries (southern 75220 edges) is in FEMA-mapped Zone A / AE along minor drainage. Core Midway Hollow and Preston Hollow blocks are in Zone X (minimal flood risk). · +21d · +15% cost
  Permits in affected parcels require elevation certificate and compliance with city floodplain ordinance. Most Medrano parcels are NOT in SFHA; verify via FEMA NFHL viewer before assuming.
• other — Parts of Preston Hollow and some Midway Hollow subdivisions carry private deed restrictions from the original 1940s-1960s subdivision plats. These typically restrict accessory structures, setbacks, and building height.
  Not enforced by the City of Dallas but privately enforceable by adjacent property owners. Texas Property Code Chapter 202 upholds pre-existing covenants. Before ADU design, review the subdivision plat and any recorded covenants via DallasCAD. Some Preston Hollow covenants expressly bar rentable secondary dwellings.
• other — Dallas Tree Preservation Ordinance (Sec. 51A-10.130) applies citywide, but Medrano-area large lots with mature oaks and pecans frequently trigger tree-mitigation review. Specific consideration in Midway Hollow and Preston Hollow where lot-tree density is high. · +14d · +3% cost
  Protected-tree removal requires mitigation either by replanting or payment into the city's Reforestation Fund. In the Medrano cluster, most detached ADU projects will involve at least one protected-tree mitigation survey.

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

• ADU legality
• legal history
• size range
• permitting process & fees
• permit forms
• contacts
• utilities
• viability
• resale value impact
• construction timeline
• pre-approved plans
• financing
• service complexity