RV park with extended-stay sites
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Tiny Homes in Missoula, Montana
Tiny homes in Missoula, Montana — zoning rules, THOW parking, builder costs, and what you need to know before buying.
Last researched April 2026
$90,000 – $200,000
Builder cost range
6
Builders serving area
77,757
Population
Friendly
Tiny-home friendliness
Why Missoula
Missoula is a university town of roughly 78,000 built along the Clark Fork River and ringed by five mountain ranges — the "Garden City" of western Montana. The University of Montana drives a young, outdoor-oriented population and a persistent shortage of small rental units, which is what motivated the city's early ADU reforms. The median home sale price was around $550,000 in early 2026, down slightly year-over-year but still well above Billings. Tiny home buyers are drawn by the city's ADU-friendly zoning, active builder network (Wolf Industries and others list Missoula-area service), and access to Lolo National Forest, the Bitterroot Valley, and Glacier National Park to the north.
Zoning & Placement
Missoula is one of the most tiny-home-friendly cities in Montana. Missoula County was among the first jurisdictions in the state to formally adopt IRC Appendix Q, and the City of Missoula adopted an updated zoning code (Title 20) in October 2020 that explicitly incorporated ADU standards. All of Montana's subsequent statewide reforms apply: Appendix Q (2019) makes foundation tiny homes of 400 sq ft or less legal under the state building code; HB 246 (2023) defines tiny dwelling units of 350–750 sq ft on permanent foundations and authorizes dedicated zoning districts; SB 528 (effective January 1, 2024) requires the city to allow at least one ADU by right on any single-family lot with no owner-occupancy mandate; SB 532 (2025) removed size caps and added a 15-day expedited permit review for parcels on public utilities. The City of Missoula permits ADUs in all residential zoning districts. THOWs are classified as RVs by the Montana MVD and are restricted to licensed RV parks for long-term residency — the city restricts mobile-home parking within city limits. Verify current requirements with your local planning department before purchasing land or beginning construction.
Verify current requirements with your local planning department.
What to verify locally
- • Confirm whether your tiny home will be treated as an ADU, a site-built dwelling, or a recreational vehicle.
- • Ask about utility hookup requirements, especially sewer, electrical service, and emergency-access setbacks.
- • Check whether long-term occupancy is allowed on the lot type you are considering.
- • Verify minimum square footage requirements for your zone classification.
ADU & Backyard Tiny Homes
ADUs are allowed by right in all residential zoning districts within city limits, under both local Title 20 (2020) and state law SB 528 and SB 532. Typical ADUs are 350–600 sq ft, with a minimum 10-foot separation between the ADU and the primary dwelling. No owner-occupancy requirement. Since 2025, the state's 1,000 sq ft cap is removed — local design standards (setbacks, height, parking) still apply. Parcels on public water/sewer get a 15-day expedited review. Build cost for a detached ADU typically runs $180,000–$280,000 in the Missoula market.
Where to Park
Communities, RV parks, and parking options in and near Missoula.
Missoula prohibits full-time THOW residency on standard residential lots and restricts mobile-home/RV parking within city limits. Long-term THOW placement is channeled into licensed RV parks. The Missoula KOA Holiday offers year-round extended-stay RV and THOW sites (stays over six months require manager approval). Typical monthly lot rent in the Missoula area runs $500–$900. For fully off-grid or private-land placement, unincorporated parts of Missoula County are more permissive than the city.
Long-term RV park
Jim & Marys RV Park
Builders Serving Montana
Wolf Industries
Battle Ground, washington
Battle Ground factory builder producing modular tiny homes, ADUs, and single-family homes. Over 500 homes placed in five years. New 21,000 sq ft factory doubles production capacity to two homes per week.
Modular homes ADU focused Prefab / factory-built IRC compliant
Service areas: washington, oregon, california, montana, idaho
ARCH 406
Billings, Montana
Billings-based design-build firm specializing in high-end custom tiny homes and small-footprint residences. A sister company to Collaborative Design Architects, ARCH 406 offers full architectural design paired with general contracting services. Their Nomad model starts at $68,000 and features R-20+ walls and R-30 roof systems engineered for Montana's harsh winters. As of May 2026, all projects serve the Montana market.
Custom builds Tiny homes
Service areas: Montana
Custom Tiny Homes of Montana
Kalispell, Montana
Kalispell-based builder offering RVIA-certified park model RVs (399 sq ft) and HUD-standard modular cottages (400–1,100 sq ft). Floor plans can be expanded up to 17 feet wide and 72 feet long. Custom Tiny Homes of Montana handles design, build, and delivery throughout Montana and ships nationwide. Site copyright 2026; confirmed active via Facebook page (Tiny Homes of Montana | Kalispell MT).
Park models Prefab / modular
Service areas: Montana, Nationwide
Tiny Homes Montana LLC
Columbia Falls, Montana
Columbia Falls custom THOW builder giving clients complete control over their tiny home design from trailer selection through finishes. Tiny Homes Montana LLC handles design, construction, and delivery of move-in-ready homes on wheels. Pricing runs approximately $325 per square foot; typical builds range from $65,000 to $130,000 depending on size, as of May 2026. Located at 208 Columbia Mountain Drive, Columbia Falls, MT.
THOW Custom builds
Service areas: Montana
Tiny Homes of Spokane
Spokane, washington
Spokane-based park model and tiny home dealer offering RVIA, ANSI 119.5, and L&I certified units. Carries Cavco and Fleetwood models. Delivers throughout the Pacific Northwest including Washington, Idaho, Oregon, and Montana.
Park models RVIA certified ANSI 119.5 certified L&I certified
Service areas: washington, idaho, oregon, montana
Woodland Ridge Tiny Home Crafters
Livingston, Montana
Livingston-based luxury tiny home builder founded in 2020 by Cody Wood and Rick Gilliland. Woodland Ridge designs and builds custom modular homes in their shop, then cranes them onto permanent foundations on the customer's site. Projects include primary residences, workforce housing, and income- generating rentals. Pricing runs $90,000–$150,000 as of May 2026. Member of the Livingston Chamber of Commerce.
Prefab / modular Foundation builds ADU
Service areas: Montana
Costs
A comparison between tiny-home living and conventional homeownership in Missoula.
Tiny home path
Builder cost range $90,000 – $200,000
Estimated monthly total
Traditional home path
Median home price $550,000
Estimated monthly total
Potential monthly savings
Resources
Verified links for planning, permitting, and community connections in Missoula.
Common Questions
Guides for Montana Buyers
Guides, zoning explainers, and financing articles related to this state.
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