San Diego's Most Trusted ADU, Design & Permit Team — One Point of Contact, Start to Finish

Design, city permits, build — you deal with one team

ADUs, single-family and commercial across San Diego County — drawn, submitted, corrected and approved. We deal with the city so you don’t have to.

ADU Design Company in San Diego

Three kinds of project, one permitting team.

Most delays aren’t construction — they’re corrections. Drawings that don’t anticipate what a reviewer will flag go back around, and every round costs weeks.

ADU

Junior · Attached · Detached

Accessory dwelling units — the fastest route to added square footage and rental income.

New build · Additions · Remodels

Single-family work — ground-up construction, additions, second storeys and full remodels.

TI · Change of use · New build

Tenant improvements and occupancy changes taken through plan check start to finish.

Where projects stall

Plan check is the hard part.

Most delays aren’t construction — they’re corrections. Drawings that don’t anticipate what a reviewer will flag go back around, and every round costs weeks.

ADU Builders in San Diego
ADU types

Which ADU can I actually build?

ADU Design Company in San Diego. Here are the three types and three different rulebooks. The right answer depends on your lot, your existing structure and your jurisdiction.

Carved out of the existing house, inside its current walls.

  • Maximum500 sq ftGov. Code §66313
  • Must sitInside the existing houseGov. Code §66313
  • BathroomMay share with the houseGov. Code §66333

Shares at least one wall with the main house.

  • City cannot cap below850 sq ftGov. Code §66321
  • With 2+ bedrooms1,000 sq ftGov. Code §66321
  • KitchenFull, independent
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A standalone structure in the yard.

  • City cannot cap below850 sq ftGov. Code §66321
  • Height a city must allow16 ftGov. Code §66321
  • At 4 ft setbacksAt least 800 sq ftGov. Code §66321
Residential types

What kind of residential project is yours?

Ground-up, addition or remodel — each takes a different permitting path through your jurisdiction.

Ground-up on a lot you own or are buying.

  • Height & setbacksSet by zone
  • Site workGrading, utilities
  • ScopeFeasibility to final

More space without moving — out, or up.

  • Height limitSet by zone
  • Structural reviewRequired for 2nd storey
  • SetbacksSet by zone

Interiors, garages and basements made habitable.

  • Ceiling heightMinimum applies
  • Egress & lightRequired
  • ParkingNot replaced when converting to an ADUGov. Code §66314
Residential types

What kind of commercial project is yours?

Fit-out, change of use or ground-up — the review tracks and the cost drivers are different for each.

Retail and office fit-out, permitted and built.
  • TriggerNew lease or refit
  • AccessibilityMay be triggered
  • Fire reviewSeparate track

One occupancy classification to another.

  • OccupancyChanges with use
  • AccessibilityCommonly triggered
  • ParkingMay be recalculated

Ground-up commercial, entitlement to occupancy.

  • EntitlementMay precede permit
  • Height & FARSet by zone
  • Site workGrading, parking, access
How it works

Four steps, one accountable team.

01
STEP ONE

Feasibility

We check your lot, zoning and setbacks before you spend on drawings.

02
STEP TWO

Design

Architectural plans built to clear plan check, not only to look good.

03
STEP THREE

Permit

Submittal, corrections and city liaison. We handle the reviewer.

04
STEP FOUR

Build

Construction and project management through to final inspection.

The work

What we design, permit and build.

Projects across San Diego County — design, permitting and construction under one team.

Kitchen & living remodel

Best Home renovation service in San Diego

Backyard with pool & putting green

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Kitchen & dining remodel

Start with a free consultation.

Under an hour, no pressure — we talk through what your lot allows and give you a ballpark for your property. No charge, and no obligation to go further.