From concept to completion, we design and build accessory dwelling units (ADUs) tailored to San Diego living.


Introduction

At San Diego ADU Specialists, we are the trusted ADU builders in San Diego helping homeowners transform their properties with beautiful, functional, and fully compliant Accessory Dwelling Units (ADUs). Whether you call them granny flats, backyard homes, or JADUs (Junior ADUs), these modern living spaces are the solution to San Diego’s rising housing demand.

California’s progressive ADU laws have opened the door for property owners to maximize their investments while helping solve the affordable housing shortage. From the beaches of La Jolla and Encinitas to the vibrant communities of Chula Vista, Escondido, Oceanside, and Carlsbad, ADUs are reshaping neighborhoods across San Diego County.

Our team provides a complete design-build-manage approach. That means we handle everything—from architectural planning and city permits to construction and final inspections. Homeowners choose us because we combine local expertise, deep knowledge of San Diego’s zoning laws, and a commitment to creating spaces that enhance property value and lifestyle.


ADU Design & Planning in San Diego

Building a successful ADU starts with thoughtful design. Our ADU design San Diego team creates custom layouts that maximize space, natural light, and livability while staying compliant with California ADU regulations.

We take into account San Diego’s diverse landscapes—whether you’re working with a coastal lot in Del Mar, a hillside property in Poway, or an urban lot near Hillcrest or Mission Hills. Our design specialists carefully craft plans that blend seamlessly with your main home while offering independent living for renters, family members, or guests.

Our ADU design services include:

  • Site evaluation & feasibility studies
  • Custom floor plans tailored to your property
  • Energy-efficient layouts to meet California standards
  • 3D renderings to visualize your ADU before construction
  • Budget alignment and project timelines

With San Diego ADU Specialists, your vision becomes a detailed plan that’s ready for smooth permitting and construction.


ADU Construction & Project Management

As trusted backyard home builders in San Diego, we manage every phase of construction with precision and care. Our licensed contractors and project managers ensure your ADU is built on time, on budget, and with uncompromising quality.

From Pacific Beach to Oceanside, we’ve built ADUs that meet the unique needs of San Diego families and investors. Whether you’re seeking a rental unit for additional income, a private home office, or a multi-generational living solution, our construction expertise guarantees lasting results.

What sets our ADU construction apart:

  • Full-service project management
  • Transparent pricing with no hidden costs
  • Partnerships with trusted local subcontractors
  • High-quality materials built to California codes
  • Dedicated customer support throughout the build

Our goal is to give you peace of mind while transforming your backyard into a beautiful, income-producing asset.


Garage Conversions & JADUs in San Diego

San Diego homeowners are increasingly converting unused garages into modern living spaces. A garage to ADU San Diego project can add square footage, increase rental income, and provide affordable housing options without expanding your property’s footprint.

We specialize in both full garage conversions and Junior Accessory Dwelling Units (JADUs)—smaller units up to 500 square feet that often repurpose existing space inside your home.

Our garage conversion & JADU services include:

  • Structural assessments to ensure safety and compliance
  • Modern interior designs with kitchens, bathrooms, and storage
  • Solutions for parking and city code requirements
  • Cost-effective approaches to maximize ROI

With our guidance, you can turn unused space into a valuable living area that meets San Diego’s demand for flexible, affordable housing.


Permitting & Compliance for San Diego ADUs

Navigating San Diego ADU permits can feel overwhelming. That’s why our team manages the entire permitting and compliance process for you.

We work closely with the San Diego County Planning & Development Services and city planning departments across communities like Encinitas, Chula Vista, and Escondido. Our experts understand local building codes, zoning rules, and state housing laws inside and out—so you don’t have to.

Our permitting services include:

  • Preparing and submitting ADU applications
  • Coordinating with city officials for approvals
  • Handling inspections and compliance checks
  • Ensuring energy & safety standards are met

By partnering with San Diego ADU Specialists, you avoid costly delays and get your project approved faster.


Why Choose San Diego ADU Specialists

When it comes to ADU construction in San Diego County, trust and expertise make all the difference. Here’s why homeowners across San Diego choose us:

  • Local Expertise – Decades of experience navigating San Diego’s unique zoning and building codes.
  • Full-Service Team – From design to permits to construction, we handle everything under one roof.
  • Trusted & Licensed – Fully insured, licensed contractors with proven results.
  • Community Connections – Proudly serving neighborhoods from Balboa Park to Torrey Pines.
  • Transparent Pricing – No hidden fees, just honest and upfront project estimates.

Your property is your biggest investment—choose the ADU builders that San Diego trusts.


Our San Diego Service Areas

We proudly design and build ADUs throughout San Diego County, including:

  • San Diego (Mission Valley, Hillcrest, Pacific Beach, North Park)
  • La Jolla, Del Mar & Torrey Pines
  • Encinitas, Carlsbad & Oceanside
  • Chula Vista, National City & Imperial Beach
  • Escondido, Poway & Rancho Bernardo

From the vibrant Gaslamp Quarter to the coastal beauty of Encinitas, our team is your go-to partner for ADUs across the region.


Ready to Build Your ADU in San Diego?

Now is the perfect time to invest in your property with a custom Accessory Dwelling Unit. Whether you’re looking to increase rental income, create a multigenerational home, or simply add value to your property, San Diego ADU Specialists are here to help.

📞 Call us today at (619) 500-3610
📩 Request Your Free Consultation


Frequently Asked Questions (FAQs)

Q1: How much does an ADU cost in San Diego?
Costs vary based on size, design, and finishes. On average, ADUs in San Diego range from $150,000–$350,000. We provide detailed estimates during your consultation.

Q2: Do I need a permit for an ADU in San Diego?
Yes, all ADUs require permits from the city or county. We handle the entire San Diego ADU permits process for you.

Q3: How long does ADU construction take?
Most ADUs take 6–12 months from design to completion, depending on project complexity and permitting timelines.

Q4: Can I build an ADU on any property in San Diego County?
Most single-family and multi-family lots are eligible. We conduct a free site evaluation to determine feasibility.

Q5: What’s the difference between an ADU and a JADU?
ADUs are standalone units up to 1,200 sq. ft., while JADUs are smaller units (up to 500 sq. ft.) created within existing space.