Basement Conversion near Fallbrook, CA

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.

Accessory Dwelling Units (ADUs) add value and flexibility to California properties. Learn about ADU regulations, design options like garage conversions, and how Hubbell & Hubbell Architects can help you build a compliant granny flat or guest house.

The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.

Musick Construction Inc. offers ADU construction services including new builds and conversions like garage and basement conversions. They handle permits, design, and finishes for granny flats, in-law suites, and rental units.

Proteus Homes is a custom home and ADU builder with 30+ years of experience in the Southwest US. They offer full-service ADU construction, including design, permitting, and panelized off-site fabrication, with move-in-ready homes in under three months.

ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.

ADU Gurus™ is a California ADU builder since 2020, offering full-service design, permitting, and construction for granny flats, garage conversions, JADUs, and detached ADUs up to 1,200 sq ft on single-family and multi-family lots.

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.

MyADU4Less is a Southern California ADU builder specializing in prefabricated accessory dwelling units. Offering models from 160–1,200 sq ft, they handle design, permitting, and construction. CalHFA grants up to $40,000 may apply.

West Coast Building and Design builds ADUs in California, including granny flats, garage conversions, and detached units. They help homeowners boost property value, house family members, or earn rental income through structured, process-driven construction.

Suncoast Construction Inc. is a licensed ADU contractor in Oceanside, CA, building detached ADUs, garage conversions, JADUs & attached units per Oceanside's 2022 ADU Ordinance. No short-term rentals permitted.

Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.

Home 360 Construction Inc. offers full-service ADU construction in San Diego, including detached, attached, and garage conversion units. They manage planning, permits, design, and inspections across San Diego County neighborhoods.