Updated: May 08, 2026
Location and Projects
Address
6325 CITRUS AVE, Whittier, CA, 90601
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Gerard John Slyker Plumber
Gerard John Slyker at 6325 CITRUS AVE, Whittier, CA 90601, held a Plumber license (#576896) with the California contractors license board with an expiration date of 09-30-2023. We last verified the license was expired on 05-07-2026.
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 project planner to be easily matched to qualified, licensed professionals in your area.
Gerard John Slyker Services
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Gerard John Slyker Contact Information
Phone Number: (562) 533-4340
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Address: 6325 CITRUS AVE, Whittier, CA 90601
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Tear off existing roof materials install 2 layers of 30# felt on a 4:12 pitched roof and reroof with 30 year asphalt shingles on a detached house and garage approx 16 squares. repair and replace sheathing as needed. reroof of house and detached
Valuation:
$7,000
Permit #:
B10-00376
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert an exiisting 434 sf garage into a family room with a bathroom & laundry room in an existing single-story single family dwelling (valuation calc'd as ($85.50/sf-$22.50/sf)*434sf)
Valuation:
$27,342
Permit #:
B01-01417
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new 473 sf two-car detached garage on a lot with an existing single family dwelling. ref: mm-01-33; permit#b01-01417 for conversion of existing garage to habitable space
Valuation:
$10,643
Permit #:
B01-01416
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Connect single family dwelling to sewer and water. dc backflow required
Valuation:
$0
Permit #:
U14-0136
Status:
ISSUED
Fee:
$12,390
Permit Type:
N/A
Building Type:
N/A
Plumbing to include: 1 sewer connection 1 private sewer line 1 shower 1 wash basin 1 waste and vent system 1 water closet and 1 water piping. ref: b01-01417
Valuation:
N/A
Permit #:
P02-00094
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical to include: 8 lighting fixtures 8 recept outlets 4 switches 1 misc. conduit (underground) in new detached garage. ref: b01-01416
Valuation:
N/A
Permit #:
E02-00142
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical to include: factory fire place and 1 appliance for bathroom ventelation and heating ref: b01-01417
Valuation:
N/A
Permit #:
M02-00084
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical to include: 8 lighting fixtures 15 recept. outlets and 16 switches. ref: b01-01417
Valuation:
N/A
Permit #:
E02-00141
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Gerard John Slyker License info
Inactive License
| License # | 576896 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| 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 Gerard John Slyker at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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- *No active license on file. If you are Gerard John Slyker, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Gerard John Slyker Employees
GS
Gerard John Slyker
Owner