Proactive Plumbing Inc
Proactive Plumbing is a San Marcos plumbing company on CSLB C-36 license #937646, verified current and active and originally issued in September 2009 — a date that matches the site's since-2009 claim. Its water heater page details a concrete install scope: code-compliant connections, gas and venting safety checks, expansion tanks where required, earthquake strapping, and haul-away, with Rinnai, Navien, Bradford White, and A.O. Smith named as brands. It claims 24/7 emergency dispatch — the site says dispatch explicitly — with weekend office hours listed as emergency-only.
Services
- Repair
- Install & replace
- Tankless
- Heat pump
- Expansion tanks
- Gas line
- Emergency
- 24/7 availability
- Yes — company-published "24/7 Emergency Dispatch" — the site says dispatch explicitly; weekend office hours are emergency-only
- Same-day service
- —
- Financing
- Yes
- Pricing
- Claims upfront pricing before any work starts; no published rates
- Warranty
- Site claims "extensive parts and labor warranties" and a workmanship guarantee — no written terms or durations published
- Brands
- Rinnai, Navien, Bradford White, A.O. Smith
License & contact
- CSLB license
- #937646 · C-36 Plumbing · current and active (expires 06/30/2028) (verified against the CSLB lookup)
- History
- Site claims "Serving North County San Diego Since 2009" — consistent with the license's September 2009 issue date
- Address
- 500 Rancheros Dr, Ste 25, San Marcos, CA 92069
- Phone
- (760) 798-1167
- Website
- proactiveplumbinginc.com
- Service area
- San Marcos, Vista, Escondido, Carlsbad, Oceanside, Encinitas, Solana Beach, Rancho Santa Fe, Del Mar, Bonsall, Fallbrook, Rancho Bernardo, Poway, San Diego
Observed strengths
- CSLB license #937646 (C-36 Plumbing) verified current and active; the September 2009 issue date matches the company's founding claim
- Water heater page documents a specific install scope: code-compliant connections, gas and venting checks, expansion tanks when required, earthquake strapping, and haul-away
- Installs heat pump water heaters and names four major brands (Rinnai, Navien, Bradford White, A.O. Smith)
Ask before hiring
- Ask the actual durations of the "extensive parts and labor warranties" — no terms are published
- Ask which financing providers it partners with and what plans are offered
- Confirm whether same-day non-emergency service is available, or only 24/7 emergency dispatch
Sources we checked
- Proactive Plumbing homepage (services, phone, San Marcos address, 24/7 dispatch claim, since-2009 claim, license number, warranty and financing claims) — checked 2026-06-10
- Proactive Plumbing water heater page (repair scope, install scope incl. expansion tanks and gas/venting checks, tankless and heat pump water heaters, brands, upfront pricing claim) — checked 2026-06-10
- CSLB license detail 937646 (PROACTIVE PLUMBING INC; C36; active; issued 09/10/2009, reissued 06/16/2010; expires 06/30/2028) — checked 2026-06-10
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