ADU Designer & Builder in San Diego
Add Space and Possibilities with Accessory Dwelling Units
Mel Development helps homeowners in building smart, flexible spaces with Accessory Dwelling Units (ADUs). If you are planning a rental unit, a granny flat, or a stylish guest house, a custom-built accessory dwelling unit is the perfect way to increase living space and property value without leaving your current home.
We are trusted experts in ADU San Diego design-build projects and known for delivering high-quality, code-compliant dwelling unit buildings. These blend well with your single-family home without raising any type of concern. Our team guides you through each stage of the design process to city approval.
Why Choose Mel Development for Your ADU Project?
We are not only builders but also your trusted ADU designer, architect, and project partner.
Building an accessory dwelling unit is an affordable option instead of moving to another location. If you want more space for your family or are looking for a home to rent, this is perfect for you.
We craft every custom accessory dwelling unit to meet your specific needs, whether it’s a quiet home office, a cozy modern ADU, or a rental unit that generates income.
A well-designed accessory dwelling unit adds valuable square footage to your property and provides opportunities for long-term rental income.
Our ADU architects in San Diego craft structures that look like it has always belonged to your home. Everything, from the layout to the finishes, will be designed to fit seamlessly with your existing house.
Each ADU project meets local building code standards and uses energy-efficient, sustainable materials. We deliver quality that lasts.
Let mel development be your builders for your construction need
Types of ADUs We Build
We build every type of ADU in San Diego, including:
- Detached ADUs – Free-standing units in the backyard.
- Attached ADUs – Add-ons that expand your existing space.
- Garage Conversions – Transform unused garages into livable units.
- Above-Garage ADUs – Maximize vertical space.
- Custom Granny Flats – Great for multigenerational families.
- Guest Houses – Comfortable spaces for friends and extended stays.
Our Step-by-Step ADU Building Process
From idea to final transfer, we handle your Diego ADU project with care and confidence.
We will assess your property and goals during a no-obligation consultation. We’ll discuss zoning, layout, and your budget.
Our accessory dwelling unit designers and architects in San Diego create plans that fit your lifestyle and property. We guide you in every decision.
We manage the entire permitting process, produce documentation, and ensure compliance with local building codes.
Our team starts building the accessory dwelling unit with attention to detail and expert techniques. Also, use Quality materials to ensure a long-lasting finish.
We complete a detailed walkthrough to review and approve everything with you. Your satisfaction is our top priority.
Our Step-by-Step ADU Building Process
We are proud to serve the homeowners of San Diego communities from Mission Valley and North Park to Pacific Beach. That means whether you have a tight city lot or a large property, we know how to design and build the right accessory dwelling units for your space.
Our Quality Promise
Trust is the core value for us in everything we do. Mel Development is committed to building accessory dwelling units with safety, style, and functionality.
- Built strong to meet San Diego building codes and climate.
- Seamless fit with your existing home.
- Custom details like smart storage, lighting, and eco-friendly options.
- Clear timelines, fair pricing, and great communication.
We’ve helped many homeowners improve their properties with beautiful and efficient Accessory Dwelling Units. Take a look:
- Real ADU Projects in San Diego.
- Photos of Granny Flats, Guest Houses, and Modern ADUs.
- ⭐⭐⭐⭐⭐ Reviews from clients who love their results.
Our Gallery
Frequently Asked Questions
An ADU is an additional living area located on the property of a primary single-family residence. These are sometimes called “granny flats” or “mother-in-law units” and may be attached or detached from the main home, but are intended to provide tenants with an independent and complete living facility.
Yes, ADUs are legal in San Diego. The city has specific rules and guidelines governing their construction and use. Up to eight separate ADUs are allowed in a complex with an existing multi-dwelling unit structure, but the number of separate ADUs must not exceed the number of existing units on the lot.
The type of ADU you want will determine the appropriate options and potential long-term costs. The cost range for different ADU types in San Diego is $200 to $500 per square foot. The cost of building a 500 square feet ADU typically ranges from $100,000 to $250,000 and so on.
Often, the permit approval process for an ADU application can take up to 60 days, and the total cost depends on the specifics of the project, including permit fees, inspections, and impact assessments.
Ready to Build Your ADU in San Diego?
Are you thinking about starting an accessory dwelling unit project? Are you looking for a design-build expert or assistance with ADU consultation? We would love to help you transform your property.
- Schedule Your Free ADU Consultation
- Call Now – 619-726-6299
