Guaranteed Plumbing — Lafayette, CA

Business Overview

Guaranteed Plumbing Lafayette CA is a licensed, bonded plumbing and gas line company serving the East Bay since 2003. The firm handles both residential and commercial work, from small repairs to large installations. Emergency service is available for urgent leaks and gas issues; the office schedules weekday service and rapid response when a safety concern arises. A team of licensed plumbers and technicians work under company supervision to meet city code requirements.

Key Services

Services are grouped for quick reading. Guaranteed Plumbing Lafayette CA offers hands-on work and project management across plumbing and gas.

• Fixtures & Fixtures Repair: bathtub, shower, sink, faucet, and toilet installation and repair.
• Water Heaters & Pumps: water heater installation and repair, hot water recirculation pump installation and repair.
• Drain & Sewer Work: drain installation and repair, sewer installation and repair, plumbing inspection.
• Gas & Piping: gas line installation and repair, water pipe installation and repair, garbage disposal repair.
• Full Remodels & Construction Support: plumbing installation or replacement for remodels, commercial build-outs, and coordination with general contractors.

Areas Served

Guaranteed Plumbing serves Lafayette and many nearby communities across Contra Costa and Alameda counties. Typical service locations include Concord, Livermore, Pleasanton, Walnut Creek, Dublin, Pleasant Hill, Moraga, Alamo, Saranap, Reliez Valley, Camino Tassajara, and Petaluma Center. The company also works throughout the greater East Bay for homeowners, restaurants, property managers, and public agencies.

Company History

Founded in Danville in 2003, Guaranteed Plumbing grew from a small residential service shop into a multi-service plumbing and gas provider. Early work focused on homes and remodels. Word-of-mouth referrals and repeat clients led to expansion into commercial projects and municipal work. The company is a preferred vendor with the Town of Danville Building Department and maintains strong relationships with local contractors.

Leadership

Owner Marcus Madrid is a second-generation plumber who started learning the trade at age 12. He holds a bachelor's degree from Cal Poly San Luis Obispo and has lived in the Bay Area for more than 30 years. Marcus stays involved with each project and keeps the team tied to local codes and community needs.

Specialties & Highlights

• Licensed, bonded, and insured plumbing and gas line services with municipal vendor credentials.
• Sister company East Bay Gas Lines for coordinated gas work and safety-focused installs.
• Experience with residential remodels, commercial builds, and public agency projects.
• Practical, code-aware solutions that respect local permitting rules and neighborhood conditions.

Why Locals Choose Guaranteed Plumbing

People in Lafayette and nearby towns hire Guaranteed Plumbing for steady workmanship, clear communication, and knowledge of East Bay building codes. The company blends hands-on experience with careful planning for both quick repairs and larger installations. With a long local presence and an owner who stays active on jobs, Guaranteed Plumbing Lafayette CA is a familiar choice for homeowners, businesses, and contractors.

Hours: Mon–Fri 7:00 AM–5:00 PM. Emergency response is available for urgent leaks or gas concerns.