Guest House & ADU Builder Southlake TX — DFW ADU Pro®

Southlake, TX · Tarrant County

ADU Contractor in Southlake, TX

Luxury Guest House Construction Built to Southlake's Premier Standards

Southlake is one of the most prestigious residential markets in North Texas — and building an ADU here requires a builder who understands both the city's approval process and its architectural expectations. DFW ADU Pro® designs and builds guest houses, carriage houses, and in-law suites that complement Southlake's premier residential character. Southlake's ADU approval process involves a case-by-case review rather than a standard over-the-counter permit — we manage that process on your behalf, from feasibility through final inspection. We've built in neighborhoods throughout Southlake, including Timarron, Carillon, Estes Park, and Stone Lakes.

5.0 · 100+ Custom ADU Reviews
ADU built by DFW ADU Pro in Southlake, Texas
Southlake ADU Specialists
Serving Southlake & surrounding areas · Tarrant County

ADU Types We Build in Southlake

Every ADU type, fully permitted and built to Southlake code.

$175,000 – $320,000+

Luxury Detached Guest House

Architecturally matched to your primary residence in materials, roofline, and character. Ideal for Southlake's larger estate lots. Premium finishes throughout — consistent with the neighborhood standard.

$130,000 – $220,000

Carriage House / Garage Apartment

Above-garage living space that preserves your yard while adding a fully independent unit. A popular choice in Southlake where lot coverage and impervious surface limits make a new footprint difficult.

$210,000 – $310,000

2-Bedroom Detached ADU

Spacious independent structure suited to Southlake's larger lot sizes. Excellent for multigenerational living, a long-term executive rental, or housing a caregiver on-site.

$90,000 – $155,000

Garage Conversion ADU

Convert existing garage space into a premium living unit. Typically the most straightforward approval pathway in Southlake and the lowest-cost way to add a rentable or livable unit.

Why Southlake Homeowners Choose DFW ADU Pro®

  • Experience building to Southlake's high architectural standards and design compatibility requirements
  • Familiar with Southlake's case-by-case ADU review process and what reviewers look for
  • Premium materials and finishes matched to luxury primary residences
  • In-house design, permitting, and construction — one team, no subcontracted handoffs
  • Financing assistance through trusted DFW lending partners including First United Bank
  • Licensed and fully insured in Texas
  • 25+ years of custom construction experience in the DFW Metroplex
  • Dedicated project manager from feasibility assessment to Certificate of Occupancy

Southlake ADU Rental Income

A Southlake ADU can generate monthly rental income while potentially boosting your property value. The figures below are illustrative estimates based on general market data — actual results vary by unit size, condition, location, and market demand. Consult a licensed appraiser and current local rental listings before making financial decisions.

1-Bedroom ADU$1,800 – $2,600/mo
2-Bedroom ADU$2,400 – $3,400/mo
Luxury Guest House$2,800 – $4,200/mo
Avg. Annual Income$28,800 – $46,800/yr (est.)
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Southlake ADU FAQs

Are ADUs allowed in Southlake, TX?

ADUs are permitted in Southlake's residential zones, but the approval process is not a standard over-the-counter building permit. Southlake reviews ADU applications on a case-by-case basis, evaluating compatibility with the primary residence and surrounding neighborhood character. Requirements vary by lot, zoning district, and HOA. DFW ADU Pro® verifies the applicable rules during your free property-feasibility assessment before any design work begins.

What are the design requirements for ADUs in Southlake?

Southlake places significant emphasis on architectural compatibility. ADUs are generally expected to match the primary residence in exterior materials, roofline pitch, window style, and overall character. Our in-house design team has experience meeting Southlake's standards — we build the compatibility case into the design from the start, not as an afterthought.

How long does it take to build an ADU in Southlake?

Because Southlake's ADU approval involves a case-by-case review rather than a standard permit, timelines are less predictable than in cities with administrative approval. Plan review and approval can take several weeks to a few months depending on the complexity of the project and the review cycle. Total project timeline from consultation to Certificate of Occupancy is typically 7–10 months for a luxury detached ADU. We'll give you a realistic estimate after reviewing your property.

What rental income can I expect from a Southlake ADU?

Southlake commands some of the highest ADU rental rates in DFW, driven by proximity to Southlake Town Square, Carroll ISD, and major corporate campuses along SH 114. Illustrative estimates range from $1,800–$4,200/month depending on size and finishes — but actual rents vary. Consult current local rental listings for comparable rates. If you're considering short-term rentals, verify Southlake's current STR rules and any HOA restrictions before proceeding.

Can my HOA restrict an ADU in Southlake?

Yes — and in Southlake this is a critical first step. Many Southlake neighborhoods, including Timarron, Carillon, and Estes Park, have active HOA covenants with architectural review requirements. HOA approval is entirely separate from city review and must be obtained before construction begins. We review your HOA documents during the feasibility assessment and help you prepare the architectural review submission.

What is the difference between a guest house and an ADU in Southlake?

"Guest house" and "ADU" (accessory dwelling unit) are often used interchangeably, but the distinction matters for permitting. A guest house that includes a full kitchen and is intended for independent occupancy is treated as an ADU under Southlake's code. A guest suite without a kitchen may be treated differently. We clarify the applicable classification during your feasibility assessment.

Southlake is part of our Tarrant County service area.

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