Southlake is one of the most affluent communities in Texas — large lots, luxury homes, and exceptionally high property values. Home additions in Southlake are positioned at the premium end of the market: architect-quality work, premium materials, and designs that complement existing high-value homes.
Voted Fort Worth's Best Home Remodeler & Builder by Fort Worth Magazine — 4 years running. Featured in Southern Living, HGTV, and Fort Worth Star-Telegram.
Home Addition Zoning & Permits in Southlake
Southlake requires building permits and enforces architectural compatibility standards. HOA requirements are common. Contact Southlake Planning & Development at (817) 748-8069.
What Does a Home Addition Cost in Southlake?
Southlake is the highest-cost addition market in the Fort Worth metro. Primary suite additions: $110,000–$280,000. Second-story additions: $200,000–$500,000+. In-law suites: $110,000–$280,000.
Use our home addition cost calculatorCommon Home Addition Projects in Southlake
Premium primary suite expansions on large Southlake estates, second-story additions that maximize the potential of oversized lots, and in-law suites with full amenities and accessibility features.
Why Southlake Homeowners Add On
Southlake homeowners have no viable move-up market — they're already at the top of DFW. When the house needs more, the only answer is an addition.