ADU Builders in Sacramento, CA
Looking for an ADU builder in Sacramento? ADUs, garage conversions, and backyard cottages can add living space, rental income, or room for family. This page lists local ADU contractors and summarizes basic cost and permit considerations for Sacramento homeowners.
Sacramento has become one of California's most ADU-friendly cities, with pre-approved plan programs and comparatively fast permitting. Homeowners here build ADUs for rental income near downtown and midtown, multigenerational living, and home offices.
Featured ADU contractors in Sacramento
Serves Sacramento, Sacramento County, Placer County, Elk Grove, Nevada County, Stockton, and Yuba County
Design-build, Detached ADUs, Garage conversions, Pre-approved plans
Serves Sacramento region including Citrus Heights, Rancho Cordova, Roseville, Davis, Vacaville, and Elk Grove
Detached ADUs, Permitting, Custom design
Serves Sacramento, Elk Grove, Folsom, Fair Oaks, and El Dorado Hills
Custom ADUs, Garage conversions, Detached ADUs
Serves Sacramento and 50+ Northern California communities, including Santa Rosa and Sonoma County
Design-build, Detached ADUs, Garage conversions, In-law suites, Permitting
Serves Greater Sacramento region including Auburn, Carmichael, Davis, Folsom, Granite Bay, Rocklin, and Roseville
New construction, Detached ADUs, Permitting guidance
Serves Sacramento and the greater Sacramento region, with an additional office serving the Bay Area and Santa Rosa
Design-build, Detached ADUs, Attached ADUs, Garage conversions, Permitting
Serves Sacramento County and other Northern and Central California counties
Prefab ADUs, Factory-built units
Serves Greater Sacramento area
Design-build, Detached ADUs, Attached ADUs, Pre-approved plans
Serves Sacramento, Elk Grove, Roseville, Folsom, and other Northern California cities including Santa Rosa and Vallejo
Custom ADUs, Garage conversions, Additions, Remodeling
Serves Sacramento and surrounding Northern California communities
Detached ADUs, Custom home design, Financing coordination
ADU costs in Sacramento
General estimated ranges:
- Garage conversion: $90,000–$160,000
- Detached ADU: $150,000–$320,000
- Design/permitting: varies by project
Estimates only — actual costs vary by site, size, and finishes. See the full Sacramento ADU cost guide.
Common ADU project types
- Detached ADU
- Garage conversion — see Sacramento garage conversion contractors
- Junior ADU
- Basement conversion
- Prefab ADU
ADU permits in Sacramento
Sacramento allows ADUs on most residential lots under California state law. The city offers pre-approved ADU plans that can shorten design and review time, and detached ADUs up to 800 sq ft generally qualify for streamlined approval with reduced setbacks (4 ft side/rear).
California law requires cities to act on complete ADU applications within 60 days. In Sacramento, straightforward projects using pre-approved plans often move faster; custom designs typically take 2–4 months from design start to permit.
Questions to ask an ADU builder
- Have you completed ADUs in this city?
- Can you help with design and permits?
- Do you handle utility connections?
- Can you show recent examples?
- Are you licensed and insured?
FAQ
How much does an ADU cost in Sacramento?
Most detached ADUs in Sacramento land in the $150,000–$320,000 range all-in, depending on size, finishes, and site conditions. Garage conversions typically run $90,000–$160,000. These are editorial estimates — get multiple quotes for your specific property.
Do I need a permit to build an ADU in Sacramento?
Yes. Every ADU and garage conversion in Sacramento requires building permits. The good news: California law requires ministerial (no public hearing) approval for code-compliant ADUs. California law requires cities to act on complete ADU applications within 60 days. In Sacramento, straightforward projects using pre-approved plans often move faster; custom designs typically take 2–4 months from design start to permit.
How long does it take to build an ADU in Sacramento?
Plan for 3–6 months of design and permitting, then 4–8 months of construction for a detached ADU. Garage conversions are usually faster — often 3–5 months of construction once permits are issued.
Can I rent out my ADU in Sacramento?
Yes — long-term rentals (30+ days) of ADUs are allowed statewide in California. Short-term rental rules vary by city, so check Sacramento's short-term rental ordinance before planning Airbnb-style use.
Does an ADU add value to my home in Sacramento?
Generally yes. Appraisals vary, but a permitted ADU adds livable square footage and rental income potential, which supports resale value. Note that ADUs also increase your property tax assessment on the new construction value.
What's the difference between an ADU and a JADU?
A Junior ADU (JADU) is a unit of up to 500 sq ft created within the existing home, with an efficiency kitchen and shared or separate bath. A standard ADU is a full independent dwelling — attached, detached, or converted from a garage. Many Sacramento lots qualify for one of each.
Are you an ADU contractor in Sacramento?
Claim or update your free profile to reach Sacramento homeowners planning ADU projects.
Claim your free profile