Home / Directory Directory · updated June 2026 Water heater companies serving San Diego
Every company we have researched, not just the ranked picks — each with services, license
signal, coverage, and the sources we checked. Default order is editorial relevance;
sponsored listings are labeled and never jump the order.
Disclosure: 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. Read the full policy. All (16) Repair Install & replace Tankless Heat pump Emergency Maintenance Commercial Recirculation Water treatment
Repair Install & replace Tankless Heat pump Commercial 24/7
License #374573 C-36 (CSLB-verified)
Coverage San Diego, Santee, Vista +11 more
History Brand dates itself to 1968; the San Diego C-36 license was issued in 1979 Repair Install & replace Tankless Maintenance Emergency Commercial 24/7
License #488413 C-36 (CSLB-verified)
Coverage San Diego County, San Diego, Chula Vista +5 more
History Serving San Diego since 1980; corporate C-36 license issued 1986 Repair Install & replace Tankless Maintenance Commercial Emergency 24/7
License #836216 C-36 (CSLB-verified)
Coverage San Diego, San Diego County, Chula Vista +5 more
History Founded "over three decades ago" per the company; license issued April 2004 Repair Install & replace Tankless Heat pump Maintenance
License #887621 C-20 (CSLB-verified)
Coverage San Diego, El Cajon, La Mesa +7 more
History Family-owned since 2006; license issued November 2006 (consistent) Repair Install & replace Tankless Heat pump
License #1059444 C-20 (CSLB-verified)
Coverage San Diego County
History Founded 2019; license issued October 2019 (consistent) Repair Install & replace Tankless Water treatment 24/7
License #957978 C-36 (CSLB-verified)
Coverage San Diego, Clairemont, Chula Vista +8 more
History BBB lists business start July 2010; license issued February 2011 Install & replace Tankless Maintenance Recirculation Water treatment 24/7
License #348810 B (CSLB-verified)
Coverage San Diego, Allied Gardens, San Diego County +2 more
History Founded April 1960; license issued December 1977 (incorporation of an older business) Repair Install & replace Tankless Heat pump Maintenance Water treatment 24/7
License #967435 C-36 (CSLB-verified)
Coverage San Diego, Kearny Mesa, La Jolla +10 more
History BBB lists business start 1999; corporate license issued 2011 (common after incorporation) Repair Install & replace Maintenance Tankless 24/7
License #1120624 C-36 (CSLB-verified)
Coverage San Diego, Escondido, El Cajon +14 more
History Brand claims "since 1969"; the verified license was issued May 2024 — ask about the gap Repair Install & replace Tankless Maintenance Emergency 24/7
License #1078951 C-36 (CSLB-verified)
Coverage San Diego, Pacific Beach, La Mesa +12 more
History BBB dates the business to 2010; the current operating license was issued July 2021 to a successor entity Repair Install & replace Tankless Maintenance Emergency Water treatment 24/7
License Not shown on site
Coverage San Diego County, El Cajon, San Diego +1 more
History Serving the greater San Diego area since 1978 (company claim) Install & replace Heat pump
License #875279 C-20 (CSLB-verified)
Coverage San Diego, Chula Vista, Escondido +6 more
History Since 2005 (BBB start date matches); license issued 2006 Repair Install & replace Tankless Heat pump Emergency Recirculation 24/7
License #1102931 C-36 (CSLB-verified)
Coverage San Diego, Miramar, La Jolla +3 more
History C-36 license issued March 2023 Repair Install & replace Maintenance Tankless Water treatment
License #1080062 C-36 (CSLB-verified)
Coverage San Diego, Chula Vista, Oceanside +13 more
History License issued August 2021; site claims "combined 10 years of experience" Repair Install & replace Tankless
License #1001815 C-36 (CSLB-verified)
Coverage Rancho Peñasquitos, Carmel Valley, Del Mar +8 more
History License issued March 2015 Repair Install & replace Tankless Heat pump Maintenance Emergency 24/7
License #1087368 C-36 (CSLB-verified)
Coverage San Diego, La Mesa, Chula Vista +9 more
History License issued February 2022; no founding year published All 16 companies are listed above; filters require JavaScript, but every company and service is visible on this page and on the ranked guide .