B&A Construction Inc. is a licensed general contractor in Manteca, CA, with 35 years of experience. Services include ADU construction, garage conversions, kitchen & bathroom remodeling, and room additions across San Joaquin and Central Valley counties.
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Legacy Renovation Pros builds custom ADUs including detached units, garage conversions, JADUs & granny flats. Transparent pricing, eco-friendly options & full customization available for rental units, guest houses & in-law suites.
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American Built Tiny Homes builds high-quality custom tiny homes with trailers included. Fully customizable with weekly updates, premium materials, 1-year workmanship & 2-year structural warranties, NFPA/ANSI certified, and a clear milestone-based payment plan.
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Kuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.
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Levatto Construction offers ADU construction in Redlands, CA, including granny flats, garage conversions, backyard cottages & attached units. Code-compliant builds tailored to your property goals.
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Pinnacle Construction Services Inc. offers expert metal stud framing and drywall for ADU projects in San Diego County, including detached ADUs, garage conversions, and attached additions, with 30+ years of subcontracting experience.
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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.
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Casita ADU is a San Diego-based full-service ADU builder handling permitting, design, and construction. As a trusted accessory dwelling unit contractor, they manage every project phase, ensuring on-time, on-budget builds for California homeowners.
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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.
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TNT Design & Build specializes in ADUs, garage conversions & room additions in San Diego's North County. 15 years experience, in-house management, free architectural design, prices from $325/sqft with guaranteed budget & timeline.
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An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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Team All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Orange County, Los Angeles County, San Diego County, and Ventura County.
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Streamline Design Group offers ADU design and permitting in San Diego, covering detached, attached, JADU, garage conversions, and multi-family units. Referenced in the State ADU handbook, they deliver permit-ready plans at 40–60% less than architect fees.
read moreAnza is a small, unincorporated community located in Riverside County, nestled in the mountains of the Santa Rosa Plateau at an elevation of approximately 4,000 feet. Unlike incorporated cities, Anza falls under Riverside County jurisdiction, meaning ADU contractors must navigate county-level regulations rather than municipal codes. The rural character of Anza, combined with its unique terrain, well water systems, and septic infrastructure, creates a distinctive set of challenges and opportunities for homeowners looking to build an Accessory Dwelling Unit.
Since Anza is governed by Riverside County Land Use Services, ADU contractors must comply with the county's ADU ordinance, which aligns with California state law under AB 68, SB 9, and AB 2221. Key regulatory considerations include:
One of the most significant factors ADU contractors face in Anza is the lack of municipal water and sewer systems. Most properties rely on private wells and septic systems. Before breaking ground, contractors must assess whether the existing septic system has adequate capacity to support an additional dwelling unit. In many cases, a septic system expansion or upgrade is required, which must be approved by the Riverside County Department of Environmental Health. Similarly, well capacity evaluations may be necessary to ensure sufficient water supply for the new unit.
Hiring an experienced ADU contractor familiar with Anza and Riverside County is essential for a smooth project. Local contractors understand the specific soil conditions, fire hazard severity zones, and mountain climate considerations that affect construction methods and materials. Anza falls within a High or Very High Fire Hazard Severity Zone, which means ADU construction must comply with CAL FIRE building standards, including ember-resistant vents, fire-rated materials, and defensible space requirements.
Due to the rural location and infrastructure complexities, ADU projects in Anza may cost more and take longer than in urban areas. Homeowners should budget for:
Working with a licensed, insured ADU contractor who specializes in rural Riverside County projects ensures compliance, quality construction, and a smoother path to adding valuable living space on your Anza property.