Updated: Apr 15, 2026
Location and Projects
Address
947 Washington St, San Carlos, CA, 94070
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Intermountain Electric Co
Intermountain Electric Co, 947 Washington St, San Carlos, CA (Employees: David Mathew Signorello and Stacey Lee Signorello) holds a Electrical license and 3 other licenses according to the California license board.
Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Intermountain Electric Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Intermountain Electric Co Contact Information
Phone Number: (650) 591-7118
Address: 947 Washington St, San Carlos, CA 94070
Intermountain Electric Co San Carlos
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Intermountain Electric Co has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Intermountain Electric Co has worked on at least
17.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
15 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Intermountain Electric Co mostly works on
electrical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $105,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Intermountain Electric Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 56.12kwdc rooftop photovoltaic system. install 50kw/122kwh energy storage system. install qty. (4) dual head electric vehicle charging stations. revision #1: revised electrical drawings changing a 400a in panelboard dp to an enclosed circuit breaker located within 10 on panel dp. also the addition of the load management system for the electric vehicle charging stations (iss 6.... see more
Valuation:
$1,176,600
Permit #:
BD-2024-295181
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
**7/21/25 - cancelled - work being reviewed under separate permit** installation of commercial rooftop solar photovoltaic system for hacienda market building. 90 panels 59.40 kw dc (coverage area is approx 2 500 sf)
Valuation:
$238,000
Permit #:
BD-2025-298785
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of (4) sport field lighting poles and fixtures including associative electrical infrastructure and additional improvements at st. ignatius football field
Valuation:
$1,300,000
Permit #:
202011038079
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
225 amp service for tesco cabinet. previously green tagged under permit #ew202206224288. meter modification to a 4 jaw meter was required per sfpuc. modification is complete and ready for inspection and new green tag
Valuation:
N/A
Permit #:
EW202209276260
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical work only: lighting improvements to conference room of level 4 including lighting control updates. no fire rated partitions are touched. no structural walls touched
Valuation:
N/A
Permit #:
2022 665386 CI
Status:
issued
Fee:
$408
Permit Type:
Manufacturing
Building Type:
N/A
Electrical work only: lighting improvements to conference room of level 4 including lighting control updates. no fire rated partitions are touched. no structural walls touched
Valuation:
N/A
Permit #:
2022 665473 CI
Status:
issued
Fee:
$408
Permit Type:
Manufacturing
Building Type:
N/A
Franklin templeton bldg: replace decommissioned ups with new ups re-feed existing ups panel addition (1) ups panel
Valuation:
$90,000
Permit #:
MEP-2022-286570
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary power. temporary lights as required. major equipment: crane man lift and site lighting for construction personal. installed 1000amp temporary switchboard to feed all construction site temp power needs
Valuation:
N/A
Permit #:
EW202108127670
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rooftop ballasted photovoltaic system
Valuation:
$440,000
Permit #:
PVT2021-0063
Status:
final
Fee:
$19
Permit Type:
Photovoltaic - co...
Building Type:
N/A
Electrical panel upgrade 200amp
Valuation:
$8,220
Permit #:
MEP2025-00076
Status:
expired
Fee:
$272
Permit Type:
N/A
Building Type:
N/A
Photovoltaic solar plan review done under pa# 202004307276-s6 15 number of photovoltaic modules: 405 watts per module: 12.15 system (dc) kw
Valuation:
N/A
Permit #:
E202312081071
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - demolish added panelboards tele-data receptacles and power connections to interior space and hvac equipment. new lighting and lighting controls per title 24
Valuation:
N/A
Permit #:
EW201912055231
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit has been revised to remove energy storage systems and number of batteries changed to 0 - kp 5/9/25 revised to addition service change/survey up to 400a - kp 05-22-25 ****revised to remove service change/survey up to 400a - kp 06/05/25
Valuation:
N/A
Permit #:
2025 105400 SI
Status:
issued
Fee:
N/A
Permit Type:
1 & 2 family resi...
Building Type:
N/A
Voluntary fire scope: install emergency responder radio coverage system
Valuation:
N/A
Permit #:
2022 704221 FE
Status:
complete
Fee:
$1,256
Permit Type:
Emergency respond...
Building Type:
N/A
25.2kw dc photovoltaic system & sub-panel
Valuation:
$47,000
Permit #:
MEP2022-00082
Status:
final
Fee:
$422
Permit Type:
Electrical reside...
Building Type:
N/A
Rooftop photovoltaic system
Valuation:
$120,000
Permit #:
MEP2023-00620
Status:
final
Fee:
N/A
Permit Type:
Electrical commer...
Building Type:
N/A
Sango court apartments: temp power service to feed new const
Valuation:
$175,000
Permit #:
B-EL22-0112
Status:
final
Fee:
$594
Permit Type:
Electrical
Building Type:
N/A
Revision to bpa 202011038079. change in f4 pole footing
Valuation:
$9,000
Permit #:
202108035663
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
5 level 2 charging stations
Valuation:
$8,000
Permit #:
MEP2023-00048
Status:
final
Fee:
$419
Permit Type:
Electrical chargi...
Building Type:
N/A
225 amp service for tesco cabinet for green tag review
Valuation:
N/A
Permit #:
EW202206224288
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Intermountain Electric Co Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Intermountain Electric Co License info
Verified License
| License # | 820909 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Intermountain Electric Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 820909 |
| Status | Active |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2019. Check the current license status of Intermountain Electric Co with the The City of South San Francisco, CA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 504940 |
| Status | Active |
| Town | Atherton |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Intermountain Electric Co with the The Town of Atherton, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 504940 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Intermountain Electric Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest National Insurance Company |
128
Permits
- Building permit records show that Intermountain Electric Co has worked on 128 permitted projects.
Intermountain Electric Co Employees
DS
David Mathew Signorello
Rmo / Ceo / Pres
IE
Intermountain Electric
Owner
SS
Stacey Lee Signorello
Officer