Backyard ADU & Mother-in-Law Suite

Need more space on the property you already own? A park model cabin makes a fast, fully-finished backyard ADU — a guest house, home office, or mother-in-law suite — without the year-long build of an addition. Alabama Custom Cabins builds them factory-direct in Lynn, AL, from $38,999, delivered ready to use.

Why a park model works as an ADU

• Finished and private. Full kitchen, real bathroom, a bedroom and often a loft — a self-contained home, not a shed.
• Fast. Built in about 10–12 weeks and delivered finished, so it's livable in weeks, not the many months a site-built addition takes.
• Affordable. From $38,999 factory-direct — a fraction of building an attached suite.
• Flexible later. It sits on a removable steel frame, so it can be moved or resold down the road.

Common uses

Families use a backyard park model as a mother-in-law suite for aging parents who want independence and closeness, a guest house for visitors, a home office or studio, a space for an adult child, or a rental for extra income where local rules allow. The same cabin can change roles over the years.

Delivery & placement

Delivery is included in the price — that means we transport your finished cabin and park it in place at your site. Setting the home (blocking, leveling, and tie-down) is a separate step handled by your own contractor and is not included, along with the pad, site prep, and utility hookups. If you need someone to set it, we're glad to recommend a contractor who does that work, paid directly to them. Whether a park model can serve as an ADU on your lot depends entirely on local zoning — ADU and accessory-dwelling rules vary widely by city and county. Confirm with your local zoning office before you buy; our cabins are ANSI 119.5 certified, which most jurisdictions and parks require.

Models that make good guest houses

• The Nest — from $38,999; a compact, complete studio suite.
• Farmstead — a single-level one-bedroom with a full kitchen and bath.
• Lofted Farmstead — adds a sleeping loft for family or guests.
• Kelsey 2.0 — a design-forward option that feels like a real home.

Compare all nine on the models page.

Frequently asked questions

Can I use a park model as a backyard ADU or mother-in-law suite?
Often, yes - where local zoning allows. ADU and accessory-dwelling rules vary by city and county, so confirm with your local zoning office. Our cabins are ANSI 119.5 certified, which most jurisdictions and parks require.

How much does a backyard guest house cost?
From $38,999 factory-direct and fully finished. Larger and lofted models cost more; each model page prices your options.

How fast can it be ready?
The cabin is built in about 10-12 weeks and arrives fully finished, so it's livable within weeks of delivery.

Do you set it up in my backyard?
No - we deliver only. We transport the finished cabin and park it in place; blocking, leveling, and tie-down are handled by your own contractor at a separate cost paid to them.

Can I move it later?
Yes - it sits on a removable steel frame with axles you keep, so it can be relocated or resold down the road.

Related

• Short-Term Rental Cabins for Sale
• Hunting Cabins for Sale
• Park Model vs Building a Cabin
• Park Model Homes in Alabama — all areas

Disclaimer: Whether a park model may be used as an ADU, guest house, or dwelling depends entirely on your local zoning and building rules, which vary by city and county - confirm before you buy. Delivery is included within 100 miles of our Lynn, AL shop; set-up (blocking and leveling) is a separate contractor cost, not included. This is not legal advice.