Accessory dwelling unit companies

Looking for accessory dwelling unit companies in Salem, OR? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Salem and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

ADU companies offer end-to-end solutions, often handling everything from the first sketch to the final walk-through. You need these companies if you prefer a streamlined experience where one firm takes responsibility for design, permitting, and construction. They are ideal for homeowners who want to minimize the stress of managing multiple vendors and prefer a turnkey approach to adding a secondary residence to their property.

Frequently asked in Salem

What are the disadvantages of ADUs in Oregon?

Potential disadvantages of ADUs in Oregon can include the initial construction investment, the impact on your yard space, and the need to comply with local zoning regulations in Salem. You may also consider how an ADU affects property taxes and insurance. A professional consultation can help you weigh these factors.

How much does an ADU cost in Oregon?

The cost of an ADU in Oregon varies widely based on size, design complexity, materials, and site conditions in Salem. Simpler, smaller units will generally be less expensive than larger, custom-built structures. For an accurate understanding of the investment for your property, a personalized quote is essential.

What are the rules for ADUs in Salem?

Salem has specific zoning ordinances and development standards that apply to accessory dwelling units, covering aspects like size, height, and placement. Understanding these local regulations is critical for a successful ADU project. We can help you navigate these rules to ensure your project is compliant.

Is ADU allowed in Maryland?

ADU regulations are unique to each state and municipality. While this service assists with ADUs in Salem, Oregon, you would need to consult local experts in Maryland for their specific rules. Each jurisdiction has its own distinct requirements for building accessory dwelling units.

Funding and incentive programs for ADUs differ significantly by region. It's advisable to investigate any grants or financial assistance programs within Oregon or Salem that might support your ADU project.

Can I build a basement ADU in Salem?

Building a basement ADU in Salem is often possible, provided the basement meets the city's minimum ceiling heights, egress requirements, and other building codes for habitable space. The existing structure and lot characteristics will influence feasibility. A professional can assess your basement's suitability.

Also serving nearby: Beaverton · Hillsboro · Portland · Gresham · Vancouver

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More on this: HUD ADU resources — ADU policy and financing research.

Service area details

177,432residents

3,626per sq mile

8ZIP codes served

Serving all of Salem — population 177,432; about 3,626 residents per square mile across 48.9 sq mi. ZIP codes covered include 97301, 97302, 97303, 97304, 97305, 97306, 97308, 97309.

Neighborhoods served in Salem: South Salem, North Salem, Southeast Salem, West Salem, Downtown Salem — and every surrounding area.