General Contractor in Berkeley, CA

Choosing the right General Contractor in Berkeley, CA should be easy. With Guardian Construction, you get a licensed, insured team that knows about local homes, local rules, and quality work. We offer reliable service, clear communication, and stress-free repairs or remodels. Call now for a free quote.

What's Your Neighbors Are Saying About Us

Homeowners and businesses in Berkeley, CA trust us. We provide dependable results, fair pricing, and quality work every time.

Our Core Services

Guardian Construction covers everything from repairs and remodeling to additions and new construction, giving your home the upgrades and care it needs.

Bathroom Remodel & Kitchen Remodeling

A kitchen remodel or bathroom remodel can make your home feel more modern, comfortable, and easier to use. Many homes have older plumbing, aging electrical systems, or tight layouts that need fresh, safe updates. We improve your space with clean design, smart storage, and quality finishes that last.

  • New cabinetry, modern fixtures, and energy-efficient lighting
  • Eco-friendly materials, updated plumbing, and accessibility upgrades

Home Repairs

Homes across the Bay Area often need repairs, especially older properties in Berkeley with aging plumbing, wiring, or structural wear. Our team provides fast, reliable help, using quality materials and careful workmanship to keep your home safe, functional, and comfortable.

  • Repairs for plumbing, electrical, roofing, flooring, and drywall
  • Fixes for doors, windows, fixtures, and everyday home issues

Home Additions & ADUs

If your home needs more space, a room addition, an in-law unit, or an ADU can make daily life easier. We design and build new living areas that blend naturally with your home and fit your lifestyle, adding comfort, function, and long-term value.

  • Second-story additions, garage conversions, sunrooms, and guest suites
  • Home office additions, family room expansions, and custom ADU designs

Maintenance Services

Regular maintenance helps keep your home safe, efficient, and in good condition year-round. Our team handles routine care and small fixes that prevent bigger problems and protect your home’s value over time.

  • Seasonal maintenance like gutter cleaning, HVAC tune-ups, and roof inspections
  • Quick repairs to stop leaks, damage, and wear before they become costly

Commercial Construction & Renovations

We help Berkeley businesses improve their spaces with clean, efficient commercial construction and renovation services. From layout upgrades to safety improvements, we make the process smooth and stress-free so your business can operate comfortably and professionally.

  • Office buildouts, retail renovations, and hospitality updates
  • Lighting, layout, and safety improvements tailored to your business needs

Our Construction Process

Our process is simple, organized, and stress-free. We walk you through every step with clear communication, careful planning, and reliable workmanship so your home will get the safe, high-quality results it deserves.

Berkeley Design & Architecture Planning

Our design and architecture planning starts with a clear talk about your goals, budget, and vision. Whether you need a kitchen renovation, bathroom remodel, or full home remodel, we create a detailed plan with smart layouts, safe upgrades, and eco-friendly choices.

Site Assessments & Preparation

Before construction starts, we carefully inspect your property. We check soil, foundation, framing, plumbing, electrical safety, and seismic risks near the fault line. Older homes can also face moisture or shifting issues, similar to those found in places like Gettysburg, PA, so we keep everything safe and well-organized.

Building & Construction

Once planning is complete, we begin building with clear communication and careful work. Whether it’s new construction, a room addition, or a full construction to remodel project, we handle everything from framing to finishes using safe, high-quality materials built to last.

Final Inspection & Handover

When the work is finished, we do a final walkthrough with you. You get warranties, documents, and a clear explanation of everything completed. The handover is clean and simple. Your project will feel organized, complete, and comfortable.

See the Difference Our Expert Contractors Make on Local Properties

From outdated kitchens to fully modernized spaces, our contractors have helped countless Emeryville property owners achieve stunning transformations. Each project is designed for function, beauty, and long-term durability.

Why Choose Us

Licensed, Bonded & Insured

We are fully licensed, bonded, and insured, and we follow all California safety rules so your project stays protected, compliant, and done the right way.

Berkeley-Focused Expertise

We know Berkeley homes inside and out, from older structures to modern builds, and use that local experience to handle every project safely and correctly.

Sustainable Building

We follow green building practices, using safe, eco-friendly materials and energy-efficient methods to create healthier, longer-lasting spaces for your home.

Honest Pricing

Honest pricing means no hidden fees, clear explanations, and open communication, so you always know what to expect throughout your project.

Loyalty Benefits

Loyalty benefits make every referral worthwhile, giving you helpful rewards when friends or neighbors choose us for their home projects.

Areas We Serve

We proudly serve:

Frequently Asked Questions

Yes, we offer free estimates for all projects. You can reach out anytime, and our team will walk you through the details, costs, and options so you feel confident before moving forward.

Yes, we are fully licensed and insured, which means your project is protected at every stage. Our team follows California building rules and safety standards to ensure all work is completed correctly and responsibly.

Absolutely. Permit rules in Berkeley can be confusing, so our team handles the entire process for you. We take care of the paperwork, approvals, and inspections to keep your project moving smoothly.

Yes, we design and build ADUs from start to finish. Whether you want extra living space, a rental unit, or an in-law suite, we manage the planning, permits, and construction for a clean, stress-free experience.

Yes, we plan carefully to match your budget. We explain costs clearly, offer options that fit your goals, and help you choose materials and designs that keep your project affordable without losing quality.