# Willis Bros Plumbing

_Company profile on San Diego Water Heater Guide — verified 2026-06-10._

Willis Bros Plumbing is a small Vista operation run by brothers Jason and Nathan Willis on CSLB license #1079845 — B General Building plus C-36 Plumbing, verified current and active, issued August 2021. The homepage describes tank and tankless water heater installation alongside water treatment lines including whole-house filters, softeners, and reverse osmosis. Emergency availability is published as round-the-clock every day except Sunday. CSLB shows a workers'-compensation exemption certifying no employees, and water heater repair is not described on the site — installation only.

## At a glance

- **Location:** Vista, CA
- **CSLB license:** #1079845 B (CSLB-verified)
- **24/7 availability:** No — company-published round-the-clock emergency claim covers every day except Sunday
- **Same-day service:** Yes
- **Financing:** —
- **Website:** https://www.willisbrosplumbing.com
- **Phone:** (760) 691-0011
- **Service areas:** Vista, Oceanside, Carlsbad, San Marcos, Escondido, Encinitas

## Observed strengths

- CSLB license #1079845 verified active for Willis Brothers Plumbing and Restoration with both B General Building and C-36 Plumbing classifications
- Installs both traditional tank and tankless water heaters per the homepage
- Offers water treatment lines: whole-house filters, water softeners, and reverse osmosis systems

## Ask before hiring

- Ask whether water heater repair is offered — only installation is described on the site
- Confirm who performs the work on multi-person jobs: CSLB shows a workers'-compensation exemption certifying no employees as of December 2025
- Request the warranty that applies to water heater installations — none is published

## Sources we checked

- [Willis Bros homepage (services, phone, Vista address, 24-hour-except-Sunday and same-day claims, experience claims, license number)](https://www.willisbrosplumbing.com) — checked 2026-06-10
- [CSLB license detail 1079845 (WILLIS BROTHERS PLUMBING AND RESTORATION; B + C36; active; issued 08/17/2021; expires 08/31/2027; workers' comp exempt — no employees certified 12/04/2025)](https://www.cslb.ca.gov/onlineservices/checklicenseII/LicenseDetail.aspx?LicNum=1079845) — checked 2026-06-10

Canonical page: https://www.sandiegowaterheater.com/company/willis-bros-plumbing/

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_Our editorial rankings follow our published methodology. Companies cannot pay to change their editorial ranking. Some companies may pay for enhanced profiles or clearly labeled sponsored directory placements; sponsorship never affects editorial rank._

_Published by San Diego Water Heater Guide. Guide last updated June 2026._