MAV Design & Build builds in-law suite additions throughout League City TX and Galveston County, creating private, comfortable living spaces for multigenerational households. Whether you need an attached suite with a separate entrance, a detached backyard cottage, or a converted garage apartment, our team handles design, HOA coordination, City of League City permits, construction, and final inspection under a single fixed-price contract.
Types of In-Law Suites We Build in League City TX
Our League City in-law suite options include attached suites added to the main home’s footprint with a private entrance, dedicated bedroom, full bathroom, and kitchenette; above-garage apartments with living rooms and full kitchens; detached backyard cottages on a new foundation; and converted garages transformed into fully independent living spaces. We design each suite to match your home’s existing exterior and meet City of League City and HOA requirements.
In-Law Suite Addition Costs in League City TX
In-law suite additions in League City TX range from $68,000 for a basic attached suite with a bedroom and full bathroom to $155,000 or more for a fully detached cottage with a kitchen, living room, full bathroom, and separate utility connections. MAV provides transparent fixed-price contracts with no open-ended billing or hidden fees.
How Long Does an In-Law Suite Take in League City TX?
An attached in-law suite addition in League City TX typically takes 10 to 14 weeks after permit approval. A fully detached cottage on a new foundation takes 4 to 5 months. City of League City permit processing and any required HOA review add 3 to 4 weeks before construction begins. MAV provides a detailed schedule at contract signing.
Permits and HOA Approvals for In-Law Suites in League City TX
In-law suite additions in League City TX require permits from the City of League City Building Department including structural engineering drawings. HOA communities including South Shore Harbour, Tuscan Lakes, and Westwood require design review before permits can be submitted. MAV manages all HOA submittals, engineering coordination, and permit applications as part of every project.
Why Choose MAV Design & Build for Your League City In-Law Suite?
MAV Design & Build is a veteran-owned general contracting firm serving League City and all of Galveston County. We self-perform most work and manage all specialty trades in-house, providing a single point of accountability and consistent quality from foundation to finish. Every project includes a written workmanship warranty and fixed-price contract.
League City Communities We Serve for In-Law Suites
MAV serves all of League City TX for in-law suite additions including South Shore Harbour, Tuscan Lakes, Westwood, Victory Lakes, Heritage Park, Clear Creek Landing, Brittany Lakes, Bay Colony, and adjacent Friendswood TX, Webster TX, and Kemah TX in Galveston County.
Get a Free In-Law Suite Consultation in League City TX
Contact MAV Design & Build at (832) 532-6829 or visit mav-designandbuild.com to schedule your free consultation. We handle design, HOA coordination, permits, construction, and final inspection under a single contract.
I'm extremely satisfied with my kitchen renovation. The entire process was handled with professionalism and precision. The crew was respectful, efficient, and always made sure I was informed every step of the way. The final result — a beautiful, well-designed kitchen with top-quality finishes and excellent craftsmanship.
Love their work, the kitchen turned out amazing and exceeded our expectations. Completed in much shorter time than I thought it would. Can't recommend them enough!!
Great experience working with this company! They remodeled my kitchen and did an amazing job. The team was professional, easy to work with, and always on time. Everything went smoothly, and they paid attention to the small details.

