Residential
ADU Design & Permitting in Seal Beach
ADU Design & Permitting for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.

Coastal Orange County · Orange County
Old Town lots are 25 ft wide. Everything about a Seal Beach design decision, from stairs to parking, follows from that dimension. Plan review here runs through City of Seal Beach Community Development, with Orange County Fire Authority on access and life safety. Typical experience is roughly 8 to 16 weeks to permit including coastal review.
Narrow Old Town lots with alley access, plus post-war tract inland. On the commercial side, Main Street retail and restaurant work with a small-town design review culture. Those two facts explain most of what is easy and most of what is expensive here.
Flood zone elevation requirements can change foundation cost materially on low-lying parcels. We put the local fee picture into the first budget, because a number that ignores school, sewer and utility charges is not a budget, it is an advertisement.
We work throughout Seal Beach ZIP codes 90740, including Old Town, The Hill, College Park, Surfside. Two addresses in the same ZIP can still sit under different overlays, so we review the parcel rather than the postcode.
Old Town · The Hill · College Park · Surfside
Residential
ADU Design & Permitting for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Residential
Garage Conversions for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Residential
Additions & Remodels for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Commercial
Tenant Improvements for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Commercial
Restaurant, Retail & Hospitality for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Residential
Permitting & Plan Check for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Commercial
Construction Management for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
Commercial
Design-Build for Seal Beach owners, reviewed by City of Seal Beach Community Development, typically 8 to 16 weeks to permit including coastal review.
City of Seal Beach Community Development. Fire review runs through Orange County Fire Authority. Old Town lots are 25 ft wide. Everything about a Seal Beach design decision, from stairs to parking, follows from that dimension.
Typically roughly 8 to 16 weeks to permit including coastal review. The variable is correction cycles, not intake speed, which is why we spend the extra week making the first submittal complete.
Most commonly: Coastal zone review across Old Town and the peninsula; Flood zone standards near the San Gabriel River; Height and coverage limits on 25 ft wide Old Town lots. Which ones touch your parcel is an address question, and we answer it during feasibility.
Flood zone elevation requirements can change foundation cost materially on low-lying parcels. We put those numbers into the first budget rather than presenting them as a later surprise.
Yes, across Los Angeles and Orange County from offices in Santa Monica and Fullerton. Nearby markets we cover include Long Beach, Huntington Beach, Costa Mesa, Anaheim.
Send the address, including the ZIP code, and what you want to build. We come back with what the City of Seal Beach Community Development route looks like, a realistic budget range and a schedule.