ADU Builders in San Diego

Creative Design & Build Inc. provides ADU design and construction services for homeowners in San Diego County. Whether you are planning space for a family member or exploring a separate dwelling on your property, we help you compare options, define the work and move from an initial idea toward a buildable plan.

Start with the property and the way the ADU will be used. Our design-build approach connects layout decisions, permit coordination, construction and finishes so the project is considered as a whole.

Request an ADU Consultation

Request an ADU Consultation

Tell us about your property and the space you want to create. Complete the form below to discuss your project.

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Property Discussion & Scope

Property discussion and scope. We review the intended use, existing conditions and priorities, then identify what needs to be resolved before the design moves forward.

Design & Permit Coordination

Design and permit coordination. Layouts, selections and the required project information are developed for the agreed scope. Engineering and other specialist input are coordinated where the project requires them.

Construction & Completion

Construction and inspections. Once the required approvals are in place, the work proceeds against the approved plans and agreed construction scope, with inspections coordinated along the way.

Completion and walkthrough. The final review addresses the completed space, finish details and any remaining project items. Design, permit review and construction are separate stages; the schedule should show those stages rather than imply that every ADU follows the same timeline.

SEE OUR PROJECT GALLERY

An Independent Home on Your Existing Property

An accessory dwelling unit is a separate dwelling with its own facilities for cooking, bathing, sleeping and everyday living. It is not simply an extra bedroom or a finished backyard room.

That distinction matters when choosing a layout and defining the construction scope. A space intended for independent living needs different planning from an extension of your existing home. We help you describe the outcome first, then evaluate which ADU approach is worth developing for your property.

Attached, Detached and Garage-Conversion ADUs

Detached ADU Construction

A detached ADU creates a dwelling separate from the main house. Planning starts with where it can sit, how someone will reach it and how the new home will relate to the rest of the yard. Window placement, outdoor privacy, storage and the route between the entrance and street all deserve attention before finishes are selected.

Attached ADU Construction

An attached ADU connects to the existing home while functioning as a separate dwelling. The design should consider the connection to the house, independent access and privacy between households. We also discuss how the new construction will meet the existing exterior so the addition feels intentional.

Garage-to-ADU Conversion

An existing garage may provide an alternative to a new structure, but its condition and layout need assessment before it becomes the basis of a budget. Our garage conversion services focus on that existing-space evaluation and the changes needed for the proposed use.

Reusing a garage does not automatically make a project less expensive. The comparison should include the complete construction scope, not just the fact that walls and a roof are already present.

What We Review Before Developing the Plan

A useful first conversation goes beyond the desired square footage. Tell us who will use the ADU, the rooms they need, how much outdoor space you want to retain and which decisions are still open.

During planning, the key questions include the available building area, existing structures, site access, utility routes and the relationship to neighboring spaces. An address-specific review also identifies the permitting jurisdiction and any property constraints that need further investigation.

For an older family member, we can discuss priorities such as straightforward circulation and a comfortable bathroom layout. For a smaller home, the discussion may focus on storage, furniture placement and avoiding wasted passage space. These are design goals to evaluate, not assumptions about what every property can accommodate.

ADU Layouts Designed for Everyday Use

An ADU should be comfortable to live in, not just look spacious on a drawing. We consider where furniture fits, how kitchen work areas connect, where laundry and storage belong, and how doors and windows affect privacy.

For a compact unit, our studio ADU layout guide provides ideas to discuss before developing a property-specific plan. A layout example is a starting point, not a permit-ready design or a promise that it will fit your lot.

Material choices also belong in the planning conversation. Flooring, cabinetry, fixtures and exterior finishes should suit the intended use and the amount of upkeep you are comfortable taking on.

Explore Layouts and Finishes

Browse our project galleries and note the layouts or finishes you would like to discuss. During your consultation, ask about examples relevant to the type of ADU you are considering, rather than relying only on a similar-looking exterior.

Understand the Full ADU Budget

An ADU estimate should make the scope understandable. Before comparing proposals, check whether they address the same work and identify allowances, exclusions and items that remain subject to investigation.

We discuss budget priorities alongside the design. A clear proposal is more useful than a generic starting price that leaves major parts of the project unaccounted for.

Design and documentation

Which drawings, professional services and revisions are included.

Site preparation

Access, demolition, excavation and restoration included in the proposal.

Utilities

Connection routes and any service work that needs further assessment.

Building work

The structure, exterior, interior systems and finishes covered by the scope.

Fixtures and selections

The products selected and how undecided items are allowed for.

Permits and outside fees

Which charges are included and which are paid separately.

ADU Permits: Start With the Correct Jurisdiction

The City of San Diego requires a building permit for an ADU. Its ADU permitting guidance explains the City's process and property-dependent requirements.

A property in an unincorporated area follows the County's process instead. The County ADU information applies to those unincorporated areas, not automatically to every city in the county. Other incorporated cities have their own permitting departments. We identify the relevant authority before applying general advice to a specific address.

ADU or Room Addition?

Choose the project around the outcome you need. An ADU provides a separate dwelling; a room addition expands space within the existing home. Our room addition services are the better starting point when the goal is a larger bedroom, an expanded living area or another room for the same household rather than an independent unit.

The video shows a second-floor room addition, a different type of project from an independent ADU.

Start Planning Your ADU

Tell us where the property is, who the ADU is for and whether you are considering a new structure or a garage conversion. We will discuss the next step toward a project-specific plan.

Request an ADU Consultation

Do I need finished plans before contacting you?

No. An initial conversation can begin with your property location, intended use and priorities. Existing plans, surveys or permit records are useful to share when available, but you do not need to choose every finish before discussing the project.

Can you help me compare a garage conversion with a new ADU?

Yes. We can discuss both approaches. The comparison should account for the existing garage, the layout you need, utility work and how much yard space you want to keep. Neither option is automatically the right choice for every property.

How much will my ADU cost?

A meaningful estimate needs a defined scope and a review of the property. Tell us your budget priorities early so we can discuss them alongside the design. Ask for a breakdown of included work, allowances and exclusions rather than relying on a single online price.

How long will the project take?

The schedule depends on the design work, required approvals, site conditions, construction scope and selections. We discuss those stages separately and identify the decisions and outside reviews that can affect timing.

Will an ADU fit my property?

The available building area, existing structures, access, utilities and permitting jurisdiction need an address-specific review. A layout example is a starting point, not a promise that it will fit your lot.

ADU Services Across San Diego County

Creative Design & Build serves San Diego County communities including San Diego, Chula Vista, La Mesa, El Cajon, Poway, Carlsbad, Encinitas, Escondido, San Marcos and Oceanside. Share the property location when you contact us so the conversation can start with the right site and jurisdiction.

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Lic #1045112
DBA Creative Design Build
Locations: San Diego | Texas
[email protected](855) 445-9455
CALIFORNIA:
9275 Trade Place Suite H San Diego, CA 92126

TEXAS:
4001 McEwen Rd, Suite 460, Dallas, TX 75244

Areas We Service

San Diego Escondido Del Mar National City Imperial Beach Ramona Alpine Rancho San Diego Pine Valley Potrero Lake San Marcos Harbison Canyon Crest Chula Vista El Cajon Poway La Mesa Spring Valley Solana Beach Jamul Camp Pendleton North Tecate Bonsall Fairbanks Ranch Shelter Valley Hidden Meadows Carlsbad Coronado San Marcos Santee Fallbrook Julian Bonita Borrego Springs Mount Laguna Casa de Oro-Mount Helix Granite Hills Boulevard Rainbow Oceanside Encinitas Lemon Grove Rancho Santa Fe Lakeside Valley Center Jacumba Hot Springs Descanso Campo Camp Pendleton South Bostionia

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