Updated: Jun 13, 2026
Location and Projects
Address
2370 OAKDALE AVENUE, San Francisco, CA, 94124
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Demakas Plumbing & Heating Inc
Demakas Plumbing & Heating Inc, 2370 Oakdale Ave, San Francisco, CA (Employee: John Angelo Demakas) holds a Construction Zone Traffic Control, Plumbing, Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting, Hardware, Locks And Safes, Fire Protection license and 2 other licenses according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Demakas Plumbing & Heating Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Demakas Plumbing & Heating Inc Services
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Demakas Plumbing & Heating Inc Contact Information
Phone Number: (415) 282-2121
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Address: 2370 OAKDALE AVENUE, San Francisco, CA 94124
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Demakas Plumbing & Heating Inc San Francisco
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Demakas Plumbing & Heating Inc has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
41 projects
|
2025 |
|
29 projects
|
2024 |
|
37 projects
|
2023 |
Our building permit records indicate that Demakas Plumbing & Heating Inc has worked on at least
107.0 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.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $3,000. 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 Demakas Plumbing & Heating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 8p; replace existing boiler with new. old serial number: atec02 0201 0822 0005 new serial number: 1125127240007x
Valuation:
N/A
Permit #:
PW20250204860
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; replace cracked pipes in ceiling in various locations for suite 200. pipe as needed
Valuation:
N/A
Permit #:
PW20250321937
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; replacing existing pool boiler s/n 117284210130n with new boiler s/n 1119352240048w
Valuation:
N/A
Permit #:
PW20250418653
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; install additional backflow device under existing unit. connect piping at garage overhang and other side of existing backflow. new backflow serial number: j010603
Valuation:
N/A
Permit #:
PW20240314329
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace existing 75 gallon water heater (s/n m072005294) with new 75 gallon water heater (s/n ab52954027). pipe as needed
Valuation:
N/A
Permit #:
PW20250729943
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace existing 50 gallon water heater with same. pipe as needed
Valuation:
N/A
Permit #:
PW20250304489
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Eplace existing boiler with new. old serial#: mc011022903 new serial #: 233013502632
Valuation:
N/A
Permit #:
PP20250203315
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing boiler with new. old serial #: mdo011024890 new serial #: 214812738299
Valuation:
N/A
Permit #:
PP20250203314
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing boiler with new. old serial#: mm000994713 new serial #: 2412138387689
Valuation:
N/A
Permit #:
PP20250203313
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace existing 1/2 rp backflow device s/n w375009 on boiler make-up with new 1/2 rp backflow device s/n 322144
Valuation:
N/A
Permit #:
PW20251009716
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; replace boiler s/n 2204540703 with new boiler s/n v122500715
Valuation:
N/A
Permit #:
PW20250501949
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; replace 2 cast iron ceiling mounted drain pipe. pipe as needed
Valuation:
N/A
Permit #:
PW20250321936
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; replace existing grease trap with same. pipe as needed
Valuation:
N/A
Permit #:
PW20250210973
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; removing existing boiler and replacing with new boiler. old serial number: 98089 to be replaced with new serial number: 2418 138948390
Valuation:
N/A
Permit #:
PW20240927924
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; kitchen and bathroom remodel. water waste and vent
Valuation:
N/A
Permit #:
PW20250310625
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace one 100 gallon water heater with same
Valuation:
N/A
Permit #:
PW20250124577
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; install one washing machine and laundry sink -water and waste 1 toilet sink and shower - water and waste vents finish trim for one bathroom and laundry one shower pan
Valuation:
N/A
Permit #:
PW20220919965
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Eplace existing boiler with new. new serial #:1807109247654
Valuation:
N/A
Permit #:
PP20250203316
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; replace existing boiler s/n v012300030 with new boiler s/n v222500585. pipe as needed
Valuation:
N/A
Permit #:
PW20250929389
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; replace existing boiler s/n 1605423703 with new boiler s/n v192400540. pipe as needed
Valuation:
N/A
Permit #:
PW20250630279
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Demakas Plumbing & Heating Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Demakas Plumbing & Heating Inc License info
Verified License
| License # | 349523 |
| Status | Active |
| State | California |
| Type | Construction Zone Traffic Control, Plumbing, Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting, Hardware, Locks And Safes, Fire Protection |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Demakas Plumbing & Heating 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 # | NAT-F146167-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Demakas Plumbing & Heating Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 340102 |
| Status | Inactive |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| 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. If this is your business, please update your license status.
Check this license's status for Demakas Plumbing & Heating Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | This License Has Workers Compensation Insurance With The |
1.3K
Permits
- Building permit records show that Demakas Plumbing & Heating Inc has worked on 1274 permitted projects.
Demakas Plumbing & Heating Inc Employees
JD
John Angelo Demakas
Rmo/Ceo/Pres