Luxury Accessory Dwelling Units Designed for Elevated Living

As housing needs evolve and property values rise, San Diego homeowners are turning to Accessory Dwelling Units (ADUs) as a smart, future-ready solution. Whether you’re planning a private guest suite, a multigenerational residence, or a high-end rental opportunity, Woolsey Construction delivers architecturally refined ADUs that elevate your lifestyle and increase your property’s value – all with white-glove service from start to finish.

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What Is an ADU? Why Build One?

An Accessory Dwelling Unit, or ADU, is a secondary residential space built on the same lot as a primary home. They can be detached (new structure), attached (addition), or converted from an existing space like a garage.

San Diego has embraced ADUs as a key part of its housing strategy, streamlining approval processes and easing restrictions in many zones. With the right builder, an ADU becomes more than just extra square footage – it becomes a purpose-built living space that enhances privacy, functionality, and long-term investment.

ADUs Are Ideal For:

• Multigenerational living (aging parents, young adults)

• Private guest houses or office suites

• Rental income and property ROI

• Downsizing while staying on your property

Refer to the City of San Diego’s official ADU Toolkit for zoning guidance. Woolsey Construction handles every step of compliance and permitting on your behalf.

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Our Approach to ADU Construction

At Woolsey Construction, we approach ADUs not as auxiliary spaces – but as extensions of the architectural identity of your home. Every detail is thoughtfully designed to blend with your existing structures while delivering elevated modern functionality.

We Offer:

• Custom architectural design and structural plans

• Ground-up detached ADU construction

• High-end garage conversions

• Permit acquisition and zoning compliance

• Site preparation and excavation

• Luxury interior finishing, cabinetry, and fixture installation

• Smart home integration and energy-efficient upgrades

• Seamless tie-ins to your existing utilities and infrastructure

We do not offer one-size-fits-all kits. Every ADU we build is tailored to the client, property, and purpose.

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Design That Lives Well and Lasts Long

Design isn’t just aesthetics – it’s how a space works. Our team collaborates with you to optimize:

• Floorplans that prioritize natural light, flow, and privacy

• Finishes that reflect your taste — from modern minimalism to coastal luxury

• Energy performance through insulation, solar prep, and efficient appliances

• Accessibility for aging-in-place or ADA compliance, if needed

• Soundproofing for comfort and noise separation

From the foundation to the faucet, everything is selected and built to perform for decades.

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The Woolsey ADU Process: From Concept to Completion

1. Initial Consultation

We walk your property, listen to your vision, and assess feasibility. You’ll receive early feedback on size, location, permitting, and expected investment.

2. Architectural Design & Planning

We create full architectural plans, tailored to your aesthetic and zoning conditions. We also handle any engineering required for slopes, grading, or structural reinforcement.

3. Permitting & City Approval

Our team prepares and submits all required documents to the City of San Diego, manages reviews and revisions, and handles all inspections.

4. Site Preparation

We prepare the site, coordinate utility adjustments, and mobilize our construction teams.

5. Construction

Every phase – framing, electrical, plumbing, roofing, finish carpentry – is overseen by Woolsey Construction project leads. Expect regular updates and immaculate jobsite management.

6. Final Delivery

We complete a comprehensive walkthrough with you, resolve any punch-list items, and leave the space 100% move-in ready – no shortcuts, no surprises.

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Frequently Asked Questions About ADUs

How long does it take to build an ADU in San Diego?
From design through completion, the average timeline is 4 to 6 months, depending on complexity and city permitting.

Do I need to hire an architect separately?
No – we provide in-house architectural design and planning services to streamline your project.

How large can my ADU be?
Most detached ADUs in San Diego can be up to 1,200 square feet, depending on your lot size and zoning. We’ll verify your property’s limits during your consultation.

Can I use my ADU as a rental property?
Yes, most ADUs qualify for long-term rental. San Diego regulations prohibit short-term vacation rentals in many zones, but we can guide you through compliance.

What is the typical investment range for a luxury ADU?
While costs vary based on scope, finishes, and site complexity, most projects begin at $200,000+ and scale upward. We provide a detailed, transparent proposal with all hard and soft costs outlined.

What if my garage isn’t up to code?
We specialize in garage conversions and will bring your existing structure into full compliance – or rebuild if necessary – with modern safety, seismic, and insulation standards.

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Why Choose Woolsey Construction?

• 30+ years of San Diego construction excellence

• Deep familiarity with local codes, inspectors, and permit offices

• Expert project managers and dedicated field supervisors

• Focused only on high-end remodeling and new construction

• Trusted by discerning homeowners across La Jolla, Del Mar, Encinitas, and beyond

Our clients aren’t just looking for square footage. They’re building lasting value – and we’re proud to be their partner in that process.

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Let’s Build Your Vision. Start with a Consultation.

Whether you’re considering a garage conversion or a detached luxury ADU, Woolsey Construction will deliver a space that feels both inspired and inevitable.

📞 Call (858) 544-5921