Decor Builders is a San Jose-based ADU contractor with 15+ years of Bay Area experience. They offer full-service ADU design and construction, including granny flats and in-law suites, handling permits, engineering, and project management.
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Atra Construction is a Bay Area ADU contractor offering full-service design and build. They handle permits, planning, and construction management. Floor plans range from 240 sq ft studios to 1,200 sq ft three-bedroom units.
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Wise Builders is a Bay Area ADU contractor with 20+ years of experience in accessory dwelling units, garage conversions, and attached or detached ADU construction across San Jose, Sunnyvale, and Silicon Valley. Free estimates available.
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At Ingenuity Construction Group, we specialize in crafting exceptional Accessory Dwelling Units (ADUs) that blend seamlessly with your existing property. With over 20 years of experience, our dedicated team ensures each ADU project is completed with meticulous attention to detail and superior craftsmanship.
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Clever Design & Remodeling builds ADUs across the San Francisco Bay Area, including garage conversions, attached, detached, and junior ADUs. Services cover permits, construction, interior design, and landscaping. Average ADU cost is ~$145,000.
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Rosegold Builders builds custom ADUs across the Bay Area and Los Angeles, handling permits, zoning, and construction. Services include garage conversions, backyard cottages, and rental units designed to boost property value.
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DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.
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Element Homes is a California ADU contractor offering full-service design, permitting, and construction. They build detached ADUs, garage conversions, and in-law suites across the Bay Area, with in-house teams, warranties, and free estimates.
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Bao-Tran Builders Inc specializes in ADU construction, including detached ADUs, granny flats, JADUs, garage conversions & multi-unit properties. Expert ADU contractor delivering functional, high-quality housing solutions for property owners.
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Spruce ADU Builders is a licensed ADU contractor in Union City offering expert accessory dwelling unit construction. Services include granny flats, in-law suites, and custom ADUs with free consultations, transparent pricing, and a 100% satisfaction guarantee.
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PCI Construction Inc is a trusted ADU contractor offering custom accessory dwelling units, garage conversions, granny flats, and in-law suites. Licensed, bonded, and insured, they handle permitting, design, and construction efficiently.
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Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspace.
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Valley Home Builders Inc. is a Silicon Valley design-build contractor serving Santa Clara & San Mateo Counties. Founded in 2005, they specialize in kitchen remodeling, ADU construction, and home renovations across San Jose, San Mateo & beyond.
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Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than homes without ADUs.
read moreGilroy, California, famously known as the Garlic Capital of the World, is a rapidly growing city in Santa Clara County. With its expanding population and rising housing demand in the South Bay Area, more homeowners are turning to ADU contractors in Gilroy to add accessory dwelling units to their properties. Whether you're looking to house extended family, generate rental income, or increase your property value, building an ADU in Gilroy is a smart investment in today's competitive real estate market.
Before breaking ground, it's essential to understand the local rules that ADU contractors in Gilroy, CA must navigate. Gilroy follows California state ADU laws while also enforcing its own municipal guidelines under the City of Gilroy's Planning Division. Key regulations include:
Working with experienced ADU builders in Gilroy ensures that all necessary permits are pulled through the City of Gilroy's Community Development Department. The permitting process typically involves plan check review, building permits, and inspections for structural, electrical, plumbing, and mechanical work. Gilroy has made efforts to streamline ADU permitting in line with California's pro-housing legislation, including AB 68 and SB 9, which have simplified the approval process statewide.
Skilled ADU contractors serving Gilroy can build a variety of unit types to suit different lot sizes and homeowner needs:
When selecting an ADU contractor in Gilroy, look for professionals who are licensed by the California Contractors State License Board (CSLB), carry proper insurance, and have demonstrated experience with local permitting processes. A knowledgeable contractor will help you maximize your lot's potential while ensuring full compliance with Gilroy's building codes and California state ADU laws, delivering a high-quality unit on time and within budget.