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In-Law Suite Addition in Sienna TX | MAV Design & Build

In-Law Suite Addition Houston TX
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In-Law Suite Addition in Sienna TX

MAV Design & Build designs and builds in-law suite additions for Sienna TX homeowners throughout this acclaimed Fort Bend County community. Our multigenerational living solutions — from attached first-floor suites to detached guest houses — give aging parents the independence they need while keeping your family close in one of the Houston metro’s most desirable communities. Every MAV in-law suite is built to ADA accessibility standards under a fixed-price contract with full Sienna HOA compliance.

Sienna TX: A Premier Community for Multigenerational Living

Sienna TX was developed as one of the most amenity-rich master-planned communities in the Houston metro, with resort-style pools, a 200-acre lake, golf, tennis, and miles of trails. Its location in Fort Bend County provides easy access to Houston Methodist Sugar Land Hospital and Memorial Hermann Sugar Land Hospital. Fort Bend ISD’s top-ranked schools serve younger family members while Sienna’s exceptional amenities make it an outstanding environment for aging parents. Many Sienna families add in-law suites so grandparents can stay close to family and enjoy the community’s premium lifestyle.

In-Law Suite Types MAV Builds in Sienna TX

Attached first-floor bedroom and full-bath suite additions

Accessible ADA suites with roll-in showers and safety features

Detached guest houses with full kitchens and private entrances

Converted garage suites with Sienna HOA-compliant exterior treatments

Second-floor in-law suites with private stair access

Full ADU construction where Sienna HOA and county codes permit

ADA Accessibility Features in Every Sienna TX In-Law Suite

All MAV in-law suites in Sienna TX include zero-threshold shower entries for wheelchair access, ADA-height toilets, grab bars at toilets and shower walls, 36-inch minimum doorway widths, single-level floor plans with no interior stairs, lever-style door hardware throughout, and reinforced framing for future additions. These features meet ADA standards and accommodate current and future accessibility needs.

Sienna TX In-Law Suite Permitting and HOA

In-law suites in Sienna TX require Fort Bend County building permits and Sienna HOA ARC approval for exterior modifications. Detached structures require separate applications and must meet county setback and lot coverage requirements. MAV manages all permitting, engineering coordination, and HOA submissions from design through final inspection. Call (832) 532-6829 for a free multigenerational living consultation.

What Houston Homeowners Say⭐ 5.0  •  28 Google Reviews
Waseem NaqviApril 2026
★★★★★

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.

AviadApril 2026
★★★★★

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!!

Dwight HoldenMarch 2026
★★★★★

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.