
Castle Comfort
Licensed plumber, HVAC contractor in San Diego, California
Castle Comfort holds CSLB licence 1034840, active, licensed since 12 Jan 2018, rated 5.0 from 74 Google reviews. Bonded for $25,000 with Nationwide Mutual Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #1034840, class C20, C36. Issued 12 Jan 2018, expires 31 Aug 2027.
- Licensed 9 yrsSince 12 Jan 2018.
- Bonded$25,000 with Nationwide Mutual Insurance Company, since 5 Aug 2026. California requires the same $25,000 bond of every contractor.
- Workers' comp insuredAmerican Casualty Company of Reading Pa, policy 8035788720, valid to 1 Feb 2027.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
- Website shows the licenceTheir own site displays licence #1034840.
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.
About Castle Comfort
Castle Comfort provides HVAC and light plumbing services in San Diego County.
- Estimates
- Free estimates
- People on the licence
- Juan Carlos Castillo (qualifier), Irene Castillo (CEO and president)
From Castle Comfort's own website, read 3 Nov 2026. We only show what the site states.
Google reviews
5.0(74 reviews)David “Black Mamba Z06” G★★★★★ 4 years ago
Irene and Carlos are excellent professionals. Carlos is a very professional and knowledgeable tech. I will continue to patronize this business as long as I need to. Best value in town for all your AC/heater needs. Update: Went to Castle comfort again on 07/03/2022 for a complete re-do on my entire AC system w all new parts and components. Carlos and Irene did not disappoint as per usual. Best price I could have hope…
Carlos Aguon★★★★★ 4 years ago
Castle Comfort was recommended to me by a relative. Our initial A/C install needed repairs after a year from install. Install from a previous company was done all wrong (furnace, duct work, vents). Carlos was able to identify the issue and provide us with a VERY VERY reasonable price to redo the duct work and vent installation. Other company quotes didn’t even come near the pricing that Carlos offered. HIGHLY recom…
Veronica Nuncio-Ramirez★★★★★ 4 years ago
My air conditioner went out . The blower for furnace and air no longer worked. Unit was older original with home . The cost to replace versus just getting part made us decide to just get a new system. Carlos was so kind and professional. He explain our options and costs. He offer us financing because we were not prepared for the expense. This helped us out a great deal. The work was excellent. Neat , clean and cons…
Kyle Miller★★★★★ a year ago
Carlos at Castle Comfort has been a great contact to have for my rental properties. He’s serviced multiple HVAC units for me, and every time he’s been professional, reliable, and a pleasure to work with. His pricing is very reasonable, and his experience and knowledge are immediately clear — he gets the job done, no BS, whether it’s a routine service or a tricky repair. I highly recommend him to anyone looking for a …
Brendan Crowley★★★★★ a year ago
Carlos and his team are **excellent**; I barely ever leave reviews, but in this case it is definitely warranted given the great service. Caste Comfort provides excellent, timely service and takes the time to walk through all of your options and address all questions before proceeding with any work. Castle has worked on my place multiple times now and each time I have been more than satisfied with the service. Highly …
Read all 74 reviews on Google Reviews and photos from Google, refreshed every 30 days.
Why it ranks #62 of 496 plumbers in San Diego
Score 81.1 / 100. Claiming this listing or using Theo never changes it. How we rank
Other top plumbers in San Diego
See all 496- 1

American Plumbing
- Licence active
- Bonded
- Works alone
- 2
Bob Jenson Air Conditioning Inc
- Licence active
- Bonded
- Workers' comp
- 3

Courtesy Plumbing Inc
- Licence active
- Bonded
- Workers' comp
- 4
Collins Pacific Plumbing Inc
- Licence active
- Bonded
- Workers' comp
- 5
All Cities Water Treatment Inc
- Licence active
- Bonded
- Workers' comp
- 6
Black Mountain Plumbing Inc
- Licence active
- Bonded
- Workers' comp