Building Accessory Dwelling Units (ADUs) in Austin
From Design to Move-In: Your Backyard Doesn’t Need to Stay Empty
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With Austin’s zoning reforms, adding an ADU—also known as a guest house, backyard cottage, or garage apartment—is easier than ever. These self-contained units let you create new living space, rental income, or a private suite for family—all without leaving the neighborhood you love.
But for most homeowners, the process feels overwhelming:
- Permits and zoning are confusing
- Coordinating multiple vendors leads to delays and frustration
- Uncertainty about cost makes it hard to move forward
At Niesen Construction, we simplify the entire process from start to finish. If you’ve thought about adding an ADU but didn’t know how or where to begin—we’re your team.

Why Build an ADU?
- Add space for family, work, or play without moving
- Generate rental income that pays the mortgage—or more
- Increase your property value and resale flexibility
- Stay local, age in place, or bring family closer under one roof
Whether you need a full guest home, a detached studio, or a cozy rental suite, we’ll design and build a space that fits your lot, your budget, and your life.
What We Offer
Free Site Evaluation &
Concept Plan
We’ll visit your property, review zoning, and provide a concept layout based on your goals. This step is no-pressure, no-commitment.
Permitting & Zoning
Made Easy
Austin’s ADU code is changing fast. We stay current with every rule, setback, and utility requirement—so you don’t have to worry about compliance. We’ll handle city submittals and approvals for you.
Transparent Estimates
No Surprises
Our quotes are detailed and realistic. ADUs in Austin typically range from $150 to $300 per square foot depending on site access, utilities, and design. We’ll help you choose options that fit your vision and your budget.
Design & Build — All Under One Roof
We’re not just general contractors—we’re designers, builders, and project managers. That means better communication, fewer delays, and one team accountable from start to finish.
Customizable ADU Options
Austin’s ADU code is changing fast. We stay current with every rule, setback, and utility requirement—so you don’t have to worry about compliance. We’ll handle city submittals and approvals for you.
Not sure what fits your lot?
We’ll walk you through it.
Recent Examples
Why Homeowners Choose Niesen Construction
- Over 15 years in Central Texas building and remodeling homes
- Hundreds of completed projects with real-world testimonials
- Locally trusted with repeat business from clients and referrals
- Transparent and professional from the first call to final inspection
- Affordable, realistic pricing with no games or hidden costs
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