General contractor

General contractor Services in Orange County, CA

5 specialized services available

Colin Brothers Construction handles residential, commercial, and industrial building projects from start to finish. We manage everything from site preparation and framing to final finishes. Our team works across Orange County, Los Angeles County, Riverside County, San Bernardino County, and San Diego County. Whether you're building new, adding on, or remodeling, we handle the complete project.

Call (949) 613-1602
Services

General contractor Services in Orange County, CA

We offer a full range of construction services. Pick the one that matches your project, or call us to discuss a custom combination.

A newly constructed single-family home in Orange County, CA with a clean modern exterior and finished landscaping. A Colin Brothers Construction residential build project shown at completion.

Residential Construction

Colin Brothers Construction handles residential construction projects across Orange County, CA for homeowners ready to build or rebuild.

  • Hands-on owner involvement from project start to finish
  • Residential builds designed to meet California's strict structural and building standards
  • Service coverage across Orange County and surrounding Southern California counties
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A completed commercial construction project in Orange County, CA showing a finished building exterior with clean lines and a professional facade. Colin Brothers Construction general contracting work serving the Southern California region.

Commercial Construction

Colin Brothers Construction handles commercial construction projects across Orange County, CA and surrounding Southern California counties.

  • Commercial builds handled across Orange County and four surrounding Southern California counties
  • Owner-led approach means direct communication and close attention to your project from start to finish
  • Hands-on experience across ground-up construction, renovations, and tenant improvement work
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A newly completed detached accessory dwelling unit with a private entrance in an Orange County, CA residential backyard. The finished structure sits behind the primary home with clean exterior finishes and a separate walkway.

Accessory Dwelling Unit (ADU) Building

Colin Brothers Construction builds accessory dwelling units across Orange County, CA for homeowners ready to add real living space to their property.

  • Adds a fully self-contained living unit to your existing lot without purchasing new land
  • Creates a legal rental unit that can generate income in Orange County's tight housing market
  • Provides private, on-site housing for aging parents or adult children without sharing your main home
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A completed single-story home addition in Orange County, CA, showing a new primary suite wing with exterior stucco finish matching the original house. The addition connects seamlessly to the existing roofline with a clean transition at the exterior wall.

Home Additions

Colin Brothers Construction builds home additions across Orange County, CA, adding real living space to homes that need more room.

  • Added square footage increases your home's resale value in Orange County's competitive real estate market
  • A well-planned addition integrates with your existing floor plan so the new space flows naturally
  • Expanding up or out lets you stay in your neighborhood instead of buying a larger home elsewhere
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A contractor and homeowner reviewing a construction design plan together at a table, with an Orange County residential property visible through the window. The plan shows a detailed layout for a home project in Southern California.

Design Services

Colin Brothers Construction offers design services for homeowners and property owners across Orange County, CA.

  • A clear design plan reduces costly changes once construction begins
  • Site-specific planning accounts for your Orange County lot size, setbacks, and local conditions
  • Design work coordinated by the same team that builds, so nothing gets lost between planning and construction
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We Serve

Why Choose Us

What sets us apart for General contractor

Family-owned and operated

Licensed contractor

Residential and commercial expertise

Multi-county service area

Ready to get started?

Seen the work. Ready to talk about your project?

Call (949) 613-1602
FAQ

Common Questions About General contractor in Orange County, CA

Straight answers to the questions customers ask before hiring a local contractor.

Yes, we build residential homes, commercial buildings, industrial facilities, and healthcare projects across Orange County and surrounding counties.

Yes, we specialize in ADU building and can guide you through the full process in Orange County and nearby areas.

Yes, we provide design services to help plan your project before construction begins.

We serve Orange County, Los Angeles County, Riverside County, San Bernardino County, and San Diego County.

Still have questions?

Call us directly. Real answers, no scripts.

Call (949) 613-1602
Client Reviews

What Orange County customers say.

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Find Us

Proudly Based in Orange County, CA

Stop by, call, or book online — we're always nearby when you need us.

Hours

  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 8:00 AM - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 5:00 PM
  • Saturday 8:00 AM - 5:00 PM
  • Sunday Closed

Other Services by Colin Brothers Construction

Electrical installation service

New electrical wiring, rewiring, upgrades, and solar panel installation for homes and businesses.

Roofing contractor

Roof installation, repair, and replacement for residential and commercial buildings.

Painting

Interior and exterior painting for homes and commercial buildings in Orange County and surrounding areas.

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