Updated: May 19, 2026
Location and Projects
Address
1166 E 23RD STREET, Signal Hill, CA, 90755
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Porter Boiler Service Plumber
Porter Boiler Service Inc, 1166 E 23rd St, Signal Hill, CA (Employees: George Hrebien, George Hrebien, and Nooshin Moharjer) holds a Boiler, Hot Water Heating And Steam Fitting, General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Porter Boiler Service Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Porter Boiler Service Inc Contact Information
Phone Number: (562) 755-1560
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Address: 1166 E 23RD STREET, Signal Hill, CA 90755
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Porter Boiler Service Inc Signal Hill
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Porter Boiler Service Inc has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
18 projects
|
2025 |
|
10 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Porter Boiler Service Inc has worked on at least
40.0 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
|
38 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Porter Boiler Service Inc mostly works on
plumbing project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
3 projects
|
$50k-$100k |
The typical size of their permits is approximately $55,000. 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 Porter Boiler Service Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace plaster with drywall replace electric panel in existing location (subject to meter spot by edison planning). replace electrical receptacles and wiring in existing locations. repair all existing plumbing; water gas and drain. new plywood and roof shingle. new windows and doors. new kitchen cabinets and bathroom fixtures as per plan
Valuation:
$37,850
Permit #:
10283246
Status:
final
Fee:
$1,028
Permit Type:
N/A
Building Type:
N/A
Replacement for boilers and retrofit one (e) boiler to meet scaqmd 5ppm emission requirements
Valuation:
$670,000
Permit #:
2205260007
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing concrete with new. addition 480 square feet concrete patio in backyard. addition 6 foot tall and 4 foot redwood fencing as shown on plan. addition plants and irrigation piping. addition non-compacted gravel walkways
Valuation:
$5,000
Permit #:
10283867
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Supplemental permit to #25042-90000-10774 to add: replace approximately 20 linear feet of 2 gas line on roof to connect to boilers
Valuation:
N/A
Permit #:
25042-20001-10774
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvement. updating the gas pressure regulator make and model on the medium pressure gas system
Valuation:
N/A
Permit #:
25042-10000-15073
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Heater vent for four (4) domestic hot water heaters
Valuation:
N/A
Permit #:
25044-90000-06324
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Obtain an installation permit for an existing 2020 laars domestic hot water boiler per inspector compliance code correction
Valuation:
N/A
Permit #:
24045-30000-00444
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace two (2) hot water boilers with equal
Valuation:
N/A
Permit #:
25045-90000-00090
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace two (2) boilers like for like
Valuation:
N/A
Permit #:
25045-90000-00186
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan. provide structural anchorage for new boiler equipment. (the use of the new boiler room shall be under separate permit)
Valuation:
$2,000
Permit #:
21016-10000-08636
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install two (2) 48-hp 1, 999.000 btu/hr. steam boilers outdoor mechanical area
Valuation:
$59,990
Permit #:
23-0520
Status:
final
Fee:
$1,852
Permit Type:
N/A
Building Type:
N/A
Replace (3) 100 gallon 199-mbh water heaters. like for like located in water heater mechanical room on 3rd floor
Valuation:
$12,000
Permit #:
B2206107
Status:
final
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Boiler replacement
Valuation:
N/A
Permit #:
25045-90000-00362
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Boiler replacement
Valuation:
N/A
Permit #:
25045-90000-00308
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Boiler replacement
Valuation:
N/A
Permit #:
25045-90000-00330
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Two-boiler replacement
Valuation:
N/A
Permit #:
25045-90000-00021
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace one (1) hot water boiler with one (1) hot water boilers
Valuation:
N/A
Permit #:
25045-10000-00446
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace domestic hot water boiler. remove old unit &
Valuation:
$17,800
Permit #:
B22-1701
Status:
final
Fee:
$943
Permit Type:
With extension mod
Building Type:
N/A
Install one outlet into an existing medium gas system with an exist seismic shutoff valve
Valuation:
N/A
Permit #:
22042-10000-10287
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install gas piping for (3) 2mmb/hr heating parker boilders (1) gas system with (3) outlets
Valuation:
N/A
Permit #:
21042-20000-15225
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Porter Boiler Service Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Porter Boiler Service Inc License info
Verified License
| License # | 239280 |
| Status | Active |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, General Building |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Porter Boiler Service Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Fontana |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Porter Boiler Service Inc with the The City of Fontana, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 239280 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
- According to the City of Oceanside, CA, 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 Porter Boiler Service Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 685353 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Porter Boiler Service Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 188656 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting |
- 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 Porter Boiler Service Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Indemnity Company Of California |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
316
Permits
- Building permit records show that Porter Boiler Service Inc has worked on 316 permitted projects.
Porter Boiler Service Inc Employees
GH
George Hrebien
Rmo / Ceo / Pres
GH
George Hrebien
Rmo / Ceo / Pres
NM
Nooshin Moharjer
Sole Owner
NM
Nooshin Moharjer
Sole Owner
RP
Robert Porter
Sole Owner
RP
Robert Porter
Sole Owner