# ASAP Drain Guys & Plumbing

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

ASAP Drain Guys & Plumbing is a North County company with dedicated residential, tankless, and commercial water heater pages naming Bradford White and Rheem, a San Marcos address, and a large named service area. It advertises 24/7 service, same-day fixes, no hidden fees, and water heater install discounts. The active license with an exact DBA match is held by Andersen Commercial Plumbing LLC of Covina — an apparent acquisition of the original San Marcos brand — and no license number is published on the site.

## At a glance

- **Location:** San Marcos, CA
- **CSLB license:** #1081682 C-36 (CSLB-verified)
- **24/7 availability:** Yes — company-published “24 hours a day, 7 days a week”; confirm dispatch vs. answering
- **Same-day service:** Yes
- **Financing:** —
- **Website:** https://www.asapdrainandplumbing.com
- **Phone:** (760) 203-6058
- **Pricing:** Claims no hidden fees and no surcharges; promos include $100 off water heater installs and $75 off emergency calls
- **Service areas:** San Marcos, Escondido, Vista, Carlsbad, Oceanside, Encinitas, Del Mar, Solana Beach, Rancho Bernardo, Rancho Penasquitos, Poway, El Cajon, La Mesa, Santee

## Observed strengths

- Active CSLB license #1081682 (C-36) with an exact DBA match, plus a worker bond on file
- Dedicated residential, tankless, and commercial water heater pages naming Bradford White and Rheem
- Publishes a large named North County service area with a San Marcos street address

## Ask before hiring

- The active license is held by Andersen Commercial Plumbing LLC of Covina — ask when ownership changed and whether local management is unchanged
- No CSLB license number is published anywhere on the site — confirm it is #1081682
- Ask what warranty applies to water heater installs and whether financing is available

## Sources we checked

- [ASAP Drain Guys homepage (24/7 + same-day claims, San Marcos address, service areas)](https://www.asapdrainandplumbing.com) — checked 2026-06-10
- [Water heaters page (repair, install, commercial, brands)](https://www.asapdrainandplumbing.com/water-heaters/) — checked 2026-06-10
- [CSLB license detail #1081682 (Andersen Commercial Plumbing LLC dba ASAP Drain Guys & Plumbing, active)](https://www2.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1081682) — checked 2026-06-10

Canonical page: https://www.sandiegowaterheater.com/company/asap-drain-guys-and-plumbing/

## Machine-readable index

- Site index for LLMs: https://www.sandiegowaterheater.com/llms.txt
- EntityMap v1.0 (entities + sourced evidence): https://www.sandiegowaterheater.com/entitymap.json
- Agent instructions (when to use this guide): https://www.sandiegowaterheater.com/agents.md
- XML sitemap: https://www.sandiegowaterheater.com/sitemap-index.xml

_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._