Updated: Apr 08, 2026
Location and Projects
Address
11 N DELAWARE STREET, San Mateo, CA, 94401
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Alternative Heating & Energy Solutions
Alternative Heating & Energy Solutions at 11 N DELAWARE STREET, San Mateo, CA 94401, held a HVAC/Mechanical Contractor license (#858251) with the California contractors license board with an expiration date of 04-30-2027. We last verified the license was inactive on 04-07-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Alternative Heating & Energy Solutions Services
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Alternative Heating & Energy Solutions Contact Information
Phone Number: (650) 861-0954
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Address: 11 N DELAWARE STREET, San Mateo, CA 94401
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Building Permits by Alternative Heating & Energy Solutions
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical work to (e) condo roof: remove and replace (1) pool boiler at the rooftop (399kbtu)
Valuation:
$14,000
Permit #:
MEP-2019-271792
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Use existing water heater to supply hot water to taco-x block that will provide heated hot water for one water radiantor in dining room
Valuation:
N/A
Permit #:
PP20181211399
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (e) 100k btu boiler at same location (garage)
Valuation:
$7,000
Permit #:
MH-2018-266194
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Boiler
Valuation:
N/A
Permit #:
16-1626
Status:
final
Fee:
$186
Permit Type:
Remodel
Building Type:
N/A
Remove and replace existing boiler water heater with combination unit
Valuation:
N/A
Permit #:
BIMU17-006320
Status:
final
Fee:
$566
Permit Type:
N/A
Building Type:
N/A
Remove existing backflow preventer on radiant heating system and install new mini system feeder
Valuation:
N/A
Permit #:
PP20161123914
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2016-05-19
Replace boiler condensate drain and addition new flue pipe for single family dwelling
Valuation:
N/A
Permit #:
RM1600305
Status:
final
Fee:
$284
Permit Type:
N/A
Building Type:
N/A
Bld/plum-install solar thermal panel system located on roof to system controller located in garage. jvid
Valuation:
N/A
Permit #:
BLD2017-03297
Status:
complete
Fee:
$551
Permit Type:
N/A
Building Type:
N/A
Remove and replace existing condensing boiler with 50k btu high efficiency condensing boiler
Valuation:
N/A
Permit #:
PP20190412871
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace boiler condensate drain and addition new flue pipe for single family dwelling
Valuation:
N/A
Permit #:
RM1600305
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bld/plum-install solar thermal panel system located on roof to system controller located in garage. jvid
Valuation:
N/A
Permit #:
BLD2017-03297
Status:
complete
Fee:
$551
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2016-04-06
Boiler replacement
Valuation:
N/A
Permit #:
RM1600368
Status:
final
Fee:
$284
Permit Type:
N/A
Building Type:
Single family dwe...
Replace boiler with new 80k btu 98 effieciency same location
Valuation:
$8,000
Permit #:
B17-1441
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Remove 2 existing floor furnaces and install wall furnace
Valuation:
$4,480
Permit #:
BLD2012-00674
Status:
final
Fee:
$156
Permit Type:
Repair
Building Type:
N/A
Install new heat pump with buffer tank in rear yard hydronic heating system with pex tubing in ceiling
Valuation:
$9,000
Permit #:
MEP-2020-276067
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Alternative Heating & Energy Solutions License info
Inactive License
| License # | 858251 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Alternative Heating & Energy Solutions at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Alternative Heating & Energy Solutions, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
13
Permits
- Building permit records show that Alternative Heating & Energy Solutions has worked on 13 permitted projects.
Alternative Heating & Energy Solutions Employees
RG
Ruben Ramonez Garza
Owner