Keller is one of the fastest-growing cities in Tarrant County â a planned, upscale suburb in the northern reaches of the metro known for excellent schools, large lots, and high household incomes. The ADU market in Keller skews toward premium builds: detached guest houses for aging parents, luxury in-law suites, and high-spec above-garage apartments that complement large primary residences. Homeowners here are building for family, not just for rental income.
ADU and Garage Apartment Zoning in Keller
Keller permits ADUs and accessory structures in residential zones subject to the city's zoning ordinance, including setback, height, and lot coverage rules. Building permits are required for all construction. Contact Keller Community Development at (817) 743-4000 for address-specific guidance.
What Does a Garage Apartment Cost in Keller?
Keller is a premium market reflecting higher incomes and finish expectations. Garage conversions: $50,000â$115,000. Above-garage apartments: $95,000â$210,000. Detached ADUs: $120,000â$320,000. The city's large lots and high property values mean ADUs add significant equity.
Full Garage Apartment Cost Guide for DFWPopular Garage Apartment Projects in Keller
Premium detached guest houses for multi-generational family living. Luxury above-garage apartments that function as independent suites for adult children. High-spec in-law suites with full amenities and accessibility features.
Why Keller Homeowners Are Building Garage Apartments
Keller's large lots, high incomes, and strong property values create ideal conditions for premium ADU investment. A well-designed detached guest house here can add $120,000â$250,000 to property value. Even rental-focused builds benefit from Keller's proximity to DFW Airport and major employers.