ADU Contractors near San Marcos, TX
Elbowroom
1175 West Bitters Road, San Antonio, TX 78216
39.3 miles
Elbowroom is a Central Texas ADU contractor building accessory dwelling units in San Antonio and Austin. With 100+ completions, they offer fixed pricing, permit management, and four pre-designed models for guest houses, rentals, home offices, and in-law suites.
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Southerly Homes
3000 South Interstate 35 Frontage Road, Austin, TX 78704
21.2 miles
Southerly Homes is an Austin, Texas custom home builder offering design, build, and realty services across Central Texas. Founded by Nick Quijano and Josh Yates, the team specializes in custom homes, renovations, ADUs, and infill development.
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Washburn Custom Builds
P.O. Box 1375, Kyle, TX 78640
7.7 miles
Washburn Custom Builds is an Austin-based ADU and tiny home contractor serving Central Texas. They offer custom ADU design, mobile tiny homes, sustainable building, permits handling, financing guidance, and a 1-year warranty.
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Martin Squared Contracting
3102 5th St S, Austin, TX 78704
27 miles
Martin Squared Contracting builds custom ADUs in Austin, TX. Services include garage conversions, detached units, guest houses, and rental spaces. They handle design, permitting, compliance, and turnkey project management for residential and investment properties.
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ProCare Construction
Austin, TX 78701
30.1 miles
ProCare Construction is an Austin, Texas contractor with 30 years of experience offering general contracting, remodeling, ADUs, roofing, and more. Specializing in detached, attached, garage conversion, and basement ADUs for residential and commercial clients.
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Austin Remodelers & Build
11900 Acorn Creek Trail, Austin, TX 78750
40.8 miles
Austin Remodelers & Build is an Austin, Texas contractor specializing in ADU construction, home additions, kitchen & bathroom remodels, and full-house renovations. They manage zoning, permits, and design through completion.
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Moon Tower Austin
828 Airport Boulevard, Austin, TX 78702
30.2 miles
Moontower Design & Build is an Austin, TX design-build firm offering custom homes, renovations, and ADUs. Their in-house architects, designers, and builders manage design, permitting, and construction under one roof with fixed-price contracts.
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Texas Highlands
10102 Johns Road, Boerne, TX 78006
49.3 miles
Texas Highlands builds guest homes, casitas, detached ADUs, in-law suites, and backyard cottages across Texas. As an experienced ADU contractor, they focus on layout efficiency, privacy, quality finishes, and durable construction tailored to each property.
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Bat City Builders
11001 Oak Branch Dr, Austin, TX 78737
21.5 miles
Bat City Builders constructs ADUs in Austin, including detached, attached, and over-garage units. They handle permits and design-build services. ADUs can add up to 35% to home value, with Austin-specific zoning rules applying.
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Austin ADU Builders
1700 South Lamar Boulevard, Austin, TX 78704
28 miles
Austin ADU Builders offers turn-key accessory dwelling unit construction in Austin, TX, priced $125K–$300K. They build detached ADUs, granny flats & backyard cottages. Homeowners can also sell their backyard for $75K–$250K+ via their Backyard Purchase Program.
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Rhino Design Build
4335 Vance Jackson Road, San Antonio, TX 78230
44.1 miles
Rhino Design Build is a San Antonio ADU and guest house contractor offering full-service design, permitting, and construction. Specializing in casitas, in-law suites, and backyard cottages, they bring 20+ years of experience to custom accessory dwelling units.
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Austin Tiny Homes
8925 Farm to Market Road 973, Austin, TX 78719
22.7 miles
Austin Tiny Homes builds stick-built ADUs in Austin, TX and surrounding areas. Turnkey projects start around $90,000, taking 4–9 months. Services cover design, permitting, and construction for guest houses, rentals, and more.
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Vista Hills Construction
5900 Balcones Dr., Austin, TX 78731
34.1 miles
Are you considering expanding your living space but don't want the hassle and cost of a major home addition? Look no further than an Accessory Dwelling Unit (ADU) renovation service! ADUs are becoming increasingly popular as we offer homeowners several advantages without breaking the bank.
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Backyard House
706 Guadalupe Street, Austin, TX 78701
29.7 miles
Backyard House is an Austin, TX ADU builder offering fully custom, on-site accessory dwelling units. Fixed pricing includes permits, foundation, mini split, wired internet & design. Projects complete in 9–12 months.
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Rock Renovations Inc
215 W Bandera Rd. Ste., Boerne, TX 78006
48.4 miles
Rock Renovations Inc is a licensed, bonded & insured home renovation company in Boerne, TX, serving Greater San Antonio. Services include ADUs, kitchen & bathroom remodels, new construction, ADA upgrades & mold remediation.
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Other cities in Texas
What you need to know
ADU Contractors in San Marcos, Texas: Building in a Fast-Growing College Town
San Marcos, Texas is one of the fastest-growing cities in the United States, home to Texas State University and situated between Austin and San Antonio along the I-35 corridor. This rapid population growth has created significant demand for additional housing options, making Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners. Experienced ADU contractors in San Marcos understand the unique dynamics of this vibrant city, where student housing needs, young professionals, and long-term residents all compete for limited housing inventory.
San Marcos Zoning and ADU Regulations
Before breaking ground, reputable ADU contractors in San Marcos must navigate the city's specific zoning ordinances and development codes. San Marcos falls under its own municipal regulations, separate from Hays County rules. Key considerations include:
- Single-family zoning districts typically permit one ADU per lot, either attached or detached
- ADUs must comply with minimum lot size requirements and setback rules established by the San Marcos Land Development Code
- Height restrictions and impervious cover limitations apply, which is especially relevant given the city's proximity to the Edwards Aquifer recharge zone
- Permits must be obtained through the San Marcos Development Services Department
- Owner-occupancy requirements may apply depending on the specific zoning classification
Why Hire a Local ADU Contractor in San Marcos?
Working with a locally experienced ADU contractor in San Marcos is essential for a smooth building process. Local contractors are familiar with the city's permit timelines, inspection processes, and the specific challenges of building near the San Marcos River corridor or in flood-prone areas. They also understand how to design ADUs that appeal to the Texas State University rental market, maximizing your return on investment.
Types of ADUs Built in San Marcos
Skilled ADU contractors in San Marcos can construct several types of accessory dwelling units to suit different property layouts and budgets:
- Detached ADUs – Standalone backyard cottages or guest houses
- Attached ADUs – Units connected to the primary residence with a separate entrance
- Garage Conversions – Transforming existing garages into livable spaces
- Interior ADUs – Basement or attic conversions within the existing home footprint
Maximizing Your Investment with an ADU in San Marcos
Given San Marcos's strong rental market driven by Texas State University's enrollment of over 38,000 students, an ADU can generate significant passive income. Professional ADU contractors in San Marcos help homeowners design energy-efficient, code-compliant units that attract quality tenants. With median home values rising steadily in Hays County, adding an ADU is also a proven strategy for increasing overall property value in this competitive real estate market.