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Building an ADU in San Diego, CA is one of the smartest ways to add space and value to your property — whether for family, guests, or future rental income. From Mission Hills to North Park and La Jolla, Ground Up Construction has become a trusted name for high-quality accessory dwelling units across the city. Our licensed ADU contractors handle everything from design and permits to final construction, ensuring your project meets all local building codes. Request your free ADU consultation today to start planning your custom build.
San Diego homeowners are turning to ADU construction as a way to create more livable space without giving up their home’s location or charm. Whether you’re maximizing backyard space, supporting multigenerational living, or building a rental unit, ADUs have become the go-to investment for local property owners.
We also help homeowners protect their properties long-term. Check out our guide, The Most Common Roofing Problems in San Diego Homes Revealed, for practical insights on maintaining your home’s structure and value.
Ground Up Construction proudly designs and builds ADUs throughout the city of San Diego and its neighboring communities. From detached ADUs overlooking Mission Bay to garage conversions in University Heights, our team is familiar with every zoning type and permitting requirement.
ZIP Codes: 92101, 92103, 92104, 92107, 92109, 92110
Every homeowner has different goals, and our ADU designs reflect that. Whether you want a cozy in-law suite or a detached guest house with ocean views, our experts tailor every build for your lot size, layout, and lifestyle.
We make building an ADU simple and stress-free with a transparent process that keeps you informed at every step.
From start to finish, you’ll have one dedicated project manager ensuring your ADU stays on schedule and within budget. For a detailed overview of your property and zoning potential, schedule your free ADU consultation.
Choosing the right ADU contractor makes all the difference. Homeowners across San Diego trust Ground Up Construction for precision craftsmanship, clear communication, and full-service project management.
Beyond adding square footage, an ADU can dramatically improve your property’s value, comfort, and flexibility — especially in high-demand areas like San Diego.
Your home deserves a builder who knows the local codes, permits, and climate challenges that shape ADU construction in San Diego. Ground Up Construction ensures every project passes city inspection and is built to last. Ready to maximize your property’s potential? Schedule your free ADU consultation today and let our team guide you from design to final approval.
In addition to ADUs, we offer a range of home improvement and exterior services designed to elevate your property:
The average cost of ADU construction in San Diego, CA typically ranges between $160,000 and $350,000, depending on the size, materials, and design complexity. Detached ADUs with high-end finishes or complex foundations may fall on the higher end, while garage conversions are often more affordable. Ground Up Construction provides detailed, transparent estimates based on your site and goals to help you plan your investment confidently.
Most ADU construction in San Diego, CA projects take between 4 to 8 months from start to finish. This includes design, permitting, and construction phases. Factors such as lot grading, city inspections, or utility connections can extend the timeline. Our experienced team streamlines every stage — from 3D renderings to the final walk-through — ensuring your project stays on schedule.
Before starting ADU construction in San Diego, CA, homeowners must secure building permits that cover zoning, electrical, plumbing, and structural compliance. The City of San Diego offers streamlined ADU programs under California’s state housing laws, allowing faster approvals for compliant designs. Ground Up Construction manages all permit submissions and coordination with local departments on your behalf.
Yes — homeowners can legally rent out their ADU in San Diego, as long as it meets local building and occupancy standards. Short-term rentals (under 30 days) are restricted in some neighborhoods, but long-term rentals are allowed citywide. ADU construction in San Diego, CA is an excellent way to generate consistent income while increasing your property’s resale value.
Getting started with ADU construction in San Diego, CA is easy — simply schedule your free ADU consultation. During this visit, our team reviews your property, discusses your goals, and provides expert guidance on design options, costs, and permitting. It’s the fastest way to turn your vision into a compliant, fully built accessory dwelling unit customized for your home.
Ready to expand your space or unlock rental income with an accessory dwelling unit? Ground Up Construction Management offers free, no-obligation consultations and site evaluations.
Let’s discuss your goals and explore what’s possible on your property. Contact us today to get started!
We provide a full range of residential and commercial construction services across San Diego County. Our work is designed to build, protect, and enhance your property. From ADU construction and concrete repair to decks, coatings, and exterior finishes, every project is handled by our in-house team of licensed, bonded professionals.
Maximize your property’s potential with custom-built ADUs designed for comfort, income, and long-term value.
We specialize in everything concrete—from driveways and slabs to pool decks and patios. Our work is clean, durable, and built for San Diego’s climate.
Elegant, high-performance concrete overlays made with 99% North American quartz. Ideal for driveways, pool decks, and more.
Turn flat rooftops or sloped yards into stylish, functional outdoor spaces. We build safe, durable, and beautiful decks for year-round enjoyment.
Enhance your home’s appeal with protective coatings, color-matching finishes, and durable exterior paint.
Upgrade your property with custom pickleball courts built for performance, durability, and visual appeal.
Reclaim unusable land with engineered retaining walls and professional grading. More space. More function. More home.
From asphalt shingles to concrete tile and flat torch down systems, we handle everything from leak repairs to full roof replacements.
We repair and install high-quality stucco to restore your home’s protection and aesthetic.
Maintain your home’s distinct character while reinforcing its protection. We repair or replace wood siding to withstand moisture, pests, and sun damage.
Need to repair or replace your roof? We’ll safely remove and reinstall your solar panels—preserving your system’s warranty and performance.
Prevent water intrusion and protect your foundation, stucco, or deck with proven waterproofing systems—ideal for coastal San Diego conditions.
