Quest Home Services — Diamond Bar, CA
Business Overview
Quest Home Services Diamond Bar CA is a locally owned, licensed, and bonded home services company serving Diamond Bar and nearby Walnut. The company focuses on plumbing, HVAC, and water heater work for homes and small businesses. A team of licensed technicians handles inspections, repairs, and installations. Emergency service is available for urgent leaks, gas issues, and no-heat or no-hot-water situations; customers can reach the office during regular hours and get after-hours support when needed.
Key Services
Technicians at Quest Home Services handle a wide range of jobs. They keep explanations plain and offer clear estimates before work begins.
- Plumbing: drain installation and repair, sewer installation and repair, plumbing inspections, plumbing installation and replacement, general plumbing repair.
- Gas work: gas line installation and gas line repair for appliances and outdoor lines.
- Water heaters: water heater installation and repair, plus hot water recirculation pump installation and repair for faster hot water at the tap.
- Kitchen services: garbage disposal installation and related plumbing hookups.
- HVAC: system installation or replacement, HVAC repair, and routine HVAC maintenance to keep cooling working through warm Southern California months.
Areas Served
Primary service areas include Diamond Bar CA and Walnut CA. The crew also responds to nearby neighborhoods in eastern Los Angeles County and western Orange County on request.
Company History
Quest Home Services began as a small, locally run operation more than 20 years ago. It grew from a two-person repair shop to a team of licensed technicians who work across Orange County and Los Angeles County. The company built its reputation by focusing on steady work, on-time arrivals, and honest estimates for both routine and emergency jobs.
Leadership
The founder and leadership team have over two decades of hands-on experience in plumbing and HVAC. They live and work locally, mentoring technicians and staying involved in community trade events. Leadership emphasizes clear communication and respect for customers’ homes.
Specialties & Highlights
- Licensed and bonded technicians with 20+ years in the field.
- Same-day service options for many common plumbing and water heater repairs.
- Gas line and hot water recirculation pump work for quicker hot water and safer systems.
- Maintenance plans to keep air conditioning running in Diamond Bar’s warm months.
- Work for both residential houses and small commercial properties.
Why Locals Choose Quest Home Services
People in Diamond Bar pick Quest Home Services for straightforward pricing, local experience, and a team that treats homes with care. Quest Home Services Diamond Bar CA has a long track record of steady, practical work in the area. Customers appreciate clear communication, timely arrivals, and the company's focus on safety for gas and water systems.
Whether it’s a clogged drain, a faulty water heater, or a noisy furnace, Quest Home Services aims to make repairs simple and reliable for Diamond Bar and Walnut homeowners. The crew understands local housing types and the Southern California climate, and they tailor solutions that work for daily life in the community.
Contact Information
Quest Home Services
: 1249 S Diamond Bar Blvd Ste 363, Diamond Bar, CA 91765
: https://questhomeservices.net
Business Services
- Drain installation
- Drain repair
- Garbage disposal installation
- Gas line installation
- Gas line repair
- Hot water recirculation pump installation
- Hot water recirculation pump repair
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Sewer installation
- Sewer repair
- Water heater installation
- Water heater repair
Business Location & Hours
| Mon: | 8:00 AM - 8:00 PM |
| Tue: | 8:00 AM - 8:00 PM |
| Wed: | 8:00 AM - 8:00 PM |
| Thu: | 8:00 AM - 8:00 PM |
| Fri: | 8:00 AM - 8:00 PM |
| Sat: | 8:00 AM - 8:00 PM |
| Sun: | 8:00 AM - 8:00 PM |



















