Attached ADU near San Marcos, CA
Shermans Builders Inc
4818 Mount Elbrus Drive, San Diego, CA 92117
21.7 miles
Shermans Builders Inc. is a licensed San Diego ADU contractor with 150+ projects completed. Services include detached ADUs, garage conversions, and JADUs, covering permits, design, and construction with upfront cost estimates.
read more
Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
42.8 miles
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property value.
read more
Coronado Construction
8250 Camino Santa Fe, San Diego, CA 92121
17.7 miles
Coronado Construction builds Accessory Dwelling Units (ADUs) in San Diego, CA. From garage conversions to detached units, their ADUs boost property value, generate rental income, and offer flexible living using quality, energy-efficient materials.
read more
Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
28.5 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
read more
Homes by Hedges
PO Box 2586, Valley Center, CA 92082
9.6 miles
Homes by Hedges is an experienced ADU contractor in North San Diego County, building granny flats, casitas & garage conversions. Serving Valley Center, Escondido & more for 25+ years, managing permits & local zoning regulations.
read more
Tate & Son, Inc.
8865 Calle Perico, San Diego, CA 92129
11.9 miles
Tate & Son, Inc. is a licensed ADU contractor in San Diego & Southern California. They offer garage conversions, in-law suites & detached ADUs. Pricing starts ~$70K. 5-year warranty. Free estimates available.
read more
Youngren Construction
220 Ohearn Road, Fallbrook, CA 92028
16.6 miles
Youngren Construction builds attached & detached ADUs, including backyard cottages, granny flats & casitas. Ideal for in-law suites, rental income or extra living space. Expert ADU contractor managing projects from planning to completion.
read more
Get Approved ADU
152 West Park Avenue, El Cajon, CA 92020
26.3 miles
GetApprovedADU is a consulting firm specializing in ADU and JADU approvals. They assist with detached ADUs, garage conversions, granny flats, and attached units, helping homeowners boost property value and expand affordable housing options.
read more
RL Remodeling
4360 Twain Avenue, San Diego, CA 92120
24.6 miles
RL Remodeling offers garage conversions, room additions, and ADU construction. With nearly 50 years of combined experience, they handle design, permits, and execution. Garage ADU conversions typically cost $30K–$60K+, offering strong rental income potential and increased property value.
read more
Dagan Design & Construction
1106 2nd Street, Encinitas, CA 92024
9.6 miles
Dagan Design & Construction (DDC), founded in 2012 in Encinitas, CA, offers custom home design, luxury renovations, interior design, and general contracting across Southern California and nationwide.
read more
Temecula ADU Builders
45033 Putting Green Court, Temecula, CA 92592
24.1 miles
Temecula ADU Builders is a local ADU contractor helping homeowners add accessory dwelling units, including detached ADUs, garage conversions, and granny flats, for rental income, family housing, or tax benefits in Temecula, CA.
read more
Fortune ADU
9810 Scripps Lake Drive, San Diego, CA 92131
15.9 miles
Fortune ADU is a Southern California ADU contractor offering full-service design, permitting, and construction. Services start at $3,999.99, covering detached ADUs, JADUs, garage conversions, and more, with most projects completed in 6–12 months.
read more
Prominent Builders & Restoration
3861 National Avenue, San Diego, CA 92113
30.6 miles
Prominent Builders & Restoration is a San Diego ADU contractor with 55+ years of experience. They offer detached ADUs, garage conversions, and attached units across Southern California, managing every project step from design to final inspection.
read more
Woollard Construction
40547 Windsor Road, Temecula, CA 92591
25.5 miles
Woollard Construction is a family run general contractor specializing in ADUs and bathroom remodels. Formed over 25 years ago in Temecula, California, we deliver professional building projects with care and precision in Temecula and Murrieta.
read more
Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
45.8 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.
read more
Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in San Marcos, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in San Marcos ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Attached ADU professionals can guide you through every step.
San Marcos homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in San Marcos, California, and get started today.