ADU Contractors near Spring Valley, CA
Murray Lampert Design, Build, Remodel
2851 Camino del Rio South, San Diego, CA 92108
9.4 miles
Murray Lampert, San Diego's trusted ADU builder since 1975, offers full design-build services including granny flats, in-law suites, and garage conversions. With 50+ years of experience, they deliver custom, high-quality accessory dwelling units tailored to your needs.
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Price Builders
6351 Nancy Ridge Drive, San Diego, CA 92121
16.2 miles
Price Builders is an Imperial Beach design-build contractor specializing in home additions, ADUs, and remodeling. Services include second-story additions, in-law suites, kitchen and bathroom remodels, and aging-in-place renovations.
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CASITA ADU
2100 Palomar Airport Road, Carlsbad, CA 92011
32.6 miles
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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ADUplus consulting
119 Fletcher Parkway, El Cajon, CA 92020
5.5 miles
ADUplus Consulting Inc., trusted since 1979, offers full-service ADU design, permitting, and construction in California. From detached ADUs to garage conversions, they help homeowners boost property value and generate rental income.
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JL Building Group
9424 Chesapeake Drive, San Diego, CA 92123
11.3 miles
JL Building Group builds ADUs, granny flats, and garage conversions across San Diego County, including Carlsbad, Escondido & Chula Vista. They handle permits, design, and construction for rental units or family living spaces.
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Ritz ADU Design Build
7878 Clairemont Mesa Boulevard, San Diego, CA 92111
12.3 miles
RITZ ADU Design Build has served San Diego County since 1965, offering full-service ADU construction including granny flats, garage conversions, backyard offices & rental units. Expert planning, 3D design, permitting & builds that boost property value.
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ADU Of Oceanside
5074 Gold Drive, Oceanside, CA 92057
40.8 miles
ADU Of Oceanside is a full-service accessory dwelling unit builder in Oceanside, CA, handling design, permitting, and construction. Led by UC Berkeley-certified owner Colin Pond, they specialize in detached ADUs, granny flats, and garage conversions.
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Get Approved ADU
152 West Park Avenue, El Cajon, CA 92020
4.3 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.
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OneStop ADU
2667 Camino del Rio South, San Diego, CA 92108
9.6 miles
OneStop ADU is a San Diego County ADU contractor with 25+ years of experience. They offer custom-built detached ADUs from ~$335/sq ft, including solar, permits & plans. Free feasibility studies available. ADA-compliant units offered.
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3 Day Kitchen & Bath
10620 Treena Street, San Diego, CA 92131
14.7 miles
3 Day Kitchen & Bath is a trusted ADU contractor in San Diego offering full-service accessory dwelling unit construction. From garage conversions to detached ADUs, they manage every project phase with a structured, professional approach.
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Fassino Development
4275 Linda Vista Drive, Fallbrook, CA 92028
42.4 miles
California ADUs are self-contained units on single-family lots, offering rental income, family housing, and no land purchase. Build up to 1,200 sq ft. Fassino Development guides homeowners through ADU construction, ensuring local code compliance.
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Backyard Bungalows
2131 Palomar Airport Road, Carlsbad, CA 92011
32.1 miles
Sequoia Homes & Backyard Bungalows offer affordable ADU builder services in Carlsbad, CA. From granny flats to in-law suites, they handle design, permits, financing & installation. Projects completed in as little as 8 weeks.
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A2M Contractors
1877 Petaluma Drive, San Diego, CA 91913
6.5 miles
A2M Contractors builds custom ADUs—backyard cottages, in-law suites, garage conversions, and more. Increase property value, earn rental income, and gain flexible living space with full design and permitting support.
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HSP ADU Builders
5975 Redwood Street, San Diego, CA 92105
5.3 miles
HSP ADU Builders is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They guide homeowners through design, permitting, and construction of accessory dwelling units.
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Hubbell & Hubbell Architects, Inc.
1970 Sixth Avenue, San Diego, CA 92101
12.5 miles
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.
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Other cities in California
What you need to know
ADU Contractors in Spring Valley, CA: Building in an Unincorporated San Diego County Community
Spring Valley is a unique community in that it is an unincorporated area of San Diego County, meaning it does not have its own city government. This has significant implications for homeowners looking to build an Accessory Dwelling Unit (ADU). Instead of dealing with a local city planning department, all permits, zoning regulations, and building codes fall under the jurisdiction of the San Diego County Planning & Development Services (PDS). Experienced ADU contractors in Spring Valley understand this distinction and are well-versed in navigating county-level requirements rather than municipal ones.
Understanding ADU Regulations in Spring Valley Under San Diego County
Because Spring Valley falls under San Diego County's authority, ADU projects here must comply with California state ADU laws as well as the San Diego County Zoning Ordinance. Key regulations that local ADU contractors must work within include:
- ADUs up to 850 square feet (or 1,000 sq ft for units with more than one bedroom) cannot be denied based on floor area ratio
- Setback requirements of 4 feet from rear and side property lines for newly constructed ADUs
- Junior ADUs (JADUs) are permitted within the existing footprint of a single-family home
- Owner-occupancy requirements have been relaxed under recent California legislation through 2025
- Utility connections and impact fees may apply depending on the size and type of ADU
Why Hire a Local ADU Contractor in Spring Valley?
Spring Valley's housing stock consists largely of single-family homes built between the 1950s and 1980s, many of which sit on lots that are well-suited for ADU additions or garage conversions. A knowledgeable local ADU contractor will be familiar with the typical lot sizes, existing infrastructure, and soil conditions common to the area. They will also have established relationships with the San Diego County PDS office, helping to streamline the permitting process and avoid costly delays.
Types of ADUs Commonly Built in Spring Valley
Given the neighborhood's suburban character and lot configurations, the most popular ADU types in Spring Valley include:
- Detached ADUs – Standalone units built in backyards, ideal for rental income or multigenerational living
- Garage Conversions – Converting existing attached or detached garages into livable space
- Junior ADUs (JADUs) – Smaller units created within the existing home, often from a bedroom or bonus room
Finding the Right ADU Contractor in Spring Valley, CA
When searching for ADU contractors in Spring Valley, California, it is essential to choose a licensed general contractor with proven experience working under San Diego County's permitting system. Look for contractors who offer full-service solutions including design, permitting, and construction. A qualified contractor will help you maximize your property's potential while ensuring full compliance with all applicable county and state regulations.