Company profile · verified 2026-06-10
Free listing Core Plumbing
Core Plumbing is a family-owned, residential-focused San Diego company whose CSLB record matches its site exactly — Wayne Calvin Enterprises Inc dba Core Plumbing, C-36 active. It is one of the few companies here that publishes typical water heater cost ranges on its homepage: roughly $900–$2,000+ for a tank install and $1,500–$4,500+ for tankless. Coverage spans about 40 communities across the county. No founding year is published.
Services
- Repair
- Install & replace
- Tankless
- Maintenance
- Emergency
- 24/7 availability
- Yes — company-published “Mon–Sun: 24 Hours”; confirm dispatch vs. answering
- Same-day service
- —
- Financing
- Yes
- Pricing
- Publishes educational cost ranges: tank install ~$900–$2,000+, tankless ~$1,500–$4,500+, repairs ~$150–$900+ (not binding quotes)
License & contact
- CSLB license
- #866264 · C-36 Plumbing · current and active (expires 11/30/2027) (verified against the CSLB lookup)
- Address
- 7292 Opportunity Rd Ste B, San Diego, CA 92111
- Phone
- (858) 538-6025
- Website
- coreplumbingsd.com
- Service area
- San Diego, Clairemont, Kearny Mesa, La Jolla, Pacific Beach, Point Loma, Chula Vista, El Cajon, La Mesa, Carlsbad, Encinitas, Escondido, Poway, Coronado
Observed strengths
- CSLB license #866264 (C-36) verified active; licensed entity, address, and phone match the site exactly
- Publishes typical tank and tankless install price ranges on the homepage — unusual for the market
- Family-owned, residential service focus with a ~40-community published service area
Ask before hiring
- No founding year is published — ask how long it has operated under current ownership
- Confirm whether “Mon–Sun 24 hours” is staffed dispatch or an answering service
- No written warranty terms published — ask what workmanship warranty applies to installs
Sources we checked
- Core Plumbing homepage (services, 24-hour claim, published price ranges, service areas) — checked 2026-06-10
- About page (family-owned, residential focus) — checked 2026-06-10
- CSLB license detail #866264 (Wayne Calvin Enterprises Inc dba Core Plumbing, C-36, active) — checked 2026-06-10
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