A. B. Heating & Cooling
Auburn, WA
5.0(0)
ADU ConstructionGeneral Contracting
A. B. Heating & Cooling. HVAC contractor. 29030 59th Pl S, Auburn, WA 98001, United States
Looking for the best in-law suite builders in Auburn, Washington? Our directory features 31 vetted in-law suite builders serving the Auburn area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
A. B. Heating & Cooling. HVAC contractor. 29030 59th Pl S, Auburn, WA 98001, United States
D & L Construction & Remodeling Inc. General contractor. 5820 S 292nd St, Auburn, WA 98001
Zeus Construction LLC. General contractor. 3280 B St NW Suite J, Auburn, WA 98001, United States
A-Built Construction. General Contractor
Johnbuilds LLC. Contractor. 537 Aaby Dr, Auburn, WA 98001, United States
All Phase Maintenance, Inc. Handyman/Handywoman/Handyperson. 25277 SE 356th St, Auburn, WA 98092, United States
Avaremodelingllc. Construction company. 32018 176th Ave SE, Auburn, WA 98092, United States
Kukhar's Build Inc. General contractor. 28210 46th Ave South, Auburn, WA 98001
Remodeling & Renovation Group. Construction company. 11233 SE 325th Ct, Auburn, WA 98092, United States
Fairspring Custom Homes. Home builder
Mendoza's Residential Remodeling LLC. General contractor. 5022 S 300th Pl, Auburn, WA 98001, United States
Durr Construction. General contractor. 903 E Main St, Auburn, WA 98002, United States
Gud Home Exteriors Inc. Contractor. 2712 K St NE, Auburn, WA 98002
Auburn Commercial Development. General contractor. 3240 B St NW A, Auburn, WA 98001, United States
C & S Construction. General contractor
Core Contractors LLC. General contractor. 19707 44th Ave W UNIT 207, Lynnwood, WA 98036
True Quality Construction, LLC. General contractor. 4811 S 292nd St, Auburn, WA 98001, United States
JD General Construction. General contractor. 2604 F St SE, Auburn, WA 98002, United States
Builders Service Company. Siding contractor. 3902 W Valley Hwy N, Auburn, WA 98001, United States
Accu Built Northwest LLC. General contractor
Auburn is one of the top markets for accessory dwelling units in Washington. With growing demand for affordable housing, ADU construction in Auburn offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of in-law suite builders in Auburn helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Auburn typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed in-law suite builders to compare prices.
Yes, ADU construction in Auburn requires building permits. Washington has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Auburn typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.