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Your Los Angeles builder, at work in Orange County

Our license is good statewide and our crews don't mind the 5. We take on Orange County remodels, ADUs, concrete, and exterior work — especially the 1960s–80s tract homes of Anaheim, Fullerton, and Garden Grove that are ready for open floor plans, backyard units, and new curb appeal.

Orange County — Guillen Construction

OC cities run their own building departments with their own personalities; we've learned them the same way we learned LA's — by pulling the permits and passing the inspections.

Neighborhoods & cities we serve

AnaheimSanta AnaFullertonOrangeGarden GroveBuena ParkPlacentiaBreaCypressStantonWestminsterFountain ValleyHuntington BeachCosta MesaTustinIrvine
Orange County

Local knowledge, Orange County

ADUs on suburban lots

OC's wide lots and strong rents make ADUs pencil beautifully. We handle plans, city review, and construction — and OC cities have gotten genuinely fast at approving them.

Tract homes, opened up

Load-bearing wall removals, kitchen islands where dining rooms were, primary suite additions — we modernize 60s–80s tract plans without the builder-grade look.

Full-scope exterior refreshes

Re-stucco, siding, driveways, and outdoor living in one contract — the whole curb, one crew, one schedule.

What we build in Orange County

FAQ

Questions we hear a lot

Do you charge extra to work in Orange County?

No trip charges — we simply schedule OC projects in efficient blocks. For mid-size and larger projects the pricing works exactly like our LA work.

Which OC cities have you worked in?

Most of the north and central county — Anaheim, Santa Ana, Fullerton, Garden Grove, Orange, Buena Park, and neighbors. If your city is farther south, call: if we can serve it well, we'll say yes; if not, we'll say that too.

Can you match my HOA's requirements?

Yes — we prepare the drawings, color and material submittals HOAs ask for, and build to the approval. It's paperwork, and we're good at paperwork.

Service guides by city

Free estimate

Let's walk your project.

Free on-site estimates. Straight answers on price, permits, and timeline — no runaround.

(213) 858-9161 Call or text — English y español.

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