Updated: Mar 18, 2026
Location and Projects
Address
4355 39TH AVENUE, Oakland, CA, 94619
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Celtic Pool Service
Celtic Pool Service, 4355-39 Th Ave, Oakland, CA (Employee: Ruairi Michael O Ceallaigh) holds a Pool And Spa Maintenance license according to the California license board.
Their BuildZoom score of 97 ranks in the top 18% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Celtic Pool Service, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Celtic Pool Service Services
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Celtic Pool Service Contact Information
Phone Number: (925) 765-5987
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Address: 4355 39TH AVENUE, Oakland, CA 94619
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Solar panels 8.75 kw
Valuation:
$25,000
Permit #:
BLD18-00809
Status:
plancheck
Fee:
N/A
Permit Type:
Solar (solar/r)
Building Type:
N/A
Residential: full review - additions adu accessory structures pools remodel demolish generators and
2014-08-22
Solar ground mount 10.791 kw and panel upgrade trenching from array to main panel at residence 1sma-sb-3000-us 2 sma-sb-7000-us ground trac mounting system 125amp sub panel 20amp breaker 125amp sub panel 40 amp breaker 200amp w 225 bus amp rating 60 amp breaker
Valuation:
$43,000
Permit #:
BLD14-01270
Status:
complete
Fee:
$288
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Celtic Pool Service License info
Verified License
| License # | 944707 |
| Status | Active |
| State | California |
| Type | Pool And Spa Maintenance |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Celtic Pool Service at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Celtic Pool Service Employees
RC
Ruairi Michael O Ceallaigh
Sole Owner