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Build Your Custom ADU in Austin, TX

Modern Design. Thoughtful Living.

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Comprehensive ADU Solutions

Custom ADU Design & Construction

Permitting & Zoning Experts

Guaranteed for Quality & Durability

ADU Building Services Offered

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Custom ADU Design

Our architects create personalized ADU plans that complement your existing home and comply with Austin’s zoning laws.

Let’s design your dream ADU, book a consultation today!

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ADU Construction & Project Management

From foundation to finishing touches, we handle every stage of your ADU build with precision and transparency.

Enjoy on-time delivery and a hassle-free construction experience.

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Garage Conversions & Backyard Cottages

Turn your unused garage or backyard space into a rental-ready unit or guest suite.

Add value and functionality to your property with our efficient conversion services.

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Permitting & City Compliance

Navigating Austin’s permitting process can be tricky, we make it simple and stress-free.

Our team ensures full compliance, saving you time and avoiding costly delays.

See Our Projects Come to Life

What Our Clients Say

“The team built our detached ADU flawlessly. They handled design, permits, and construction seamlessly. Highly recommend!”

Sarah M.
Austin, TX

“Excellent communication throughout the process. Our new rental ADU is modern, energy-efficient, and already occupied!”

James R.
South Austin

“Professional, transparent, and knowledgeable about Austin zoning laws. Our garage conversion turned out perfect!”

Laura T
East Austin

Our Design-Build ADU Process

Consultation & Feasibility Study

We start by evaluating your lot's zoning (SF-1, SF-2, SF-3), utilities, and site potential under the City of Austin Land Development Code.

Design & Architectural Planning

Our in-house architects craft a unique, modern ADU that complements your main home while meeting local regulations.

Permitting & Documentation

We handle every document and submittal from zoning clearance to building permit applications with the City of Austin.

Construction & Project Management

Our construction team brings your design to life using high-quality, sustainable materials. Transparent communication and fixed pricing mean no surprises.

Handover & Move-In

After final inspections and Certificate of Occupancy, your new ADU is ready to enjoy or rent out.

Why Build an ADU in Austin with De Stijl Home?

Austin’s urban landscape is evolving and ADUs are at the center of it. At De Stijl Home, we

combine creative design with local expertise to bring your vision to life.

Generate passive rental income with a stylish, turnkey ADU.

Expand your living space for guests or multigenerational needs.

Enhance property value through smart, sustainable architecture.

Support Austin's sustainable housing goals with green building practices.

Frequently Asked Questions

What are the size limits for ADUs in Austin?

In most zones, the maximum size is 1,100 square feet or 15% of the total lot area, whichever is smaller. However, size limits may vary depending on the zoning district and lot configuration.

Austin’s zoning and permit process can be complex. A professional ensures your ADU meets all codes, saving you time, money, and frustration.

Yes. You’ll need both building permits and site plan approvals from the City of Austin Development Services Department (DSD). A professional contractor like De Stijl Home can handle all permit applications and documentation for you.

Absolutely. Many clients use their ADUs for long-term leases or short-term rentals (check local STR rules).

Most projects take 6–12 months from design to completion, depending on permitting and customization.

Yes, we offer custom garage-to-ADU conversions throughout Austin.

Yes! We offer optional maintenance packages to keep your ADU in top shape and energy-efficient year-round.

Yes. Austin allows long-term rentals (over 30 days) for ADUs. However, short-term rentals (Airbnb, VRBO) are subject to additional regulations and licensing.

Most single-family lots in Austin do qualify. However, the feasibility depends on your lot size, zoning district, utility access, and existing structures. A free consultation with De Stijl Home can help determine your eligibility.

It depends on the capacity and location of your septic system. The design must comply with Austin’s Environmental Health Services Division regulations. Your contractor can coordinate with city officials to confirm approval.

The first step is scheduling a free design consultation with a licensed ADU builder like De Stijl Home. We’ll assess your property, discuss your goals, and create a plan that fits your budget and Austin’s building requirements.

What We’re Creating

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Let’s Build Your Dream Home

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