Updated: Apr 25, 2026
Location and Projects
Address
9345 NARNIA DRIVE, Riverside, CA, 92503
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Jim & Sons Plumbing& Rooter Inc
Jim & Sons Plumbing& Rooter Inc, 9345 Narnia Dr, Riverside, CA (Employees: Donald Michael Costilow and Valerie Ann Costilow) holds a Plumbing license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jim & Sons Plumbing& Rooter Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Jim & Sons Plumbing& Rooter Inc Services
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Jim & Sons Plumbing& Rooter Inc Contact Information
Phone Number: (951) 248-9134
Address: 9345 NARNIA DRIVE, Riverside, CA 92503
Jim & Sons Plumbing& Rooter Inc Riverside
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jim & Sons Plumbing& Rooter Inc has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Jim & Sons Plumbing& Rooter Inc has worked on at least
3.0 projects over the past 2 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
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Jim & Sons Plumbing& Rooter Inc mostly works on
plumbing project
projects.
Pricing
|
2 projects
|
$5k-$20k |
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 Jim & Sons Plumbing& Rooter Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
New water service line (a pex) from house to meter 40 lf? new pex water line (a pex) to supply kitchen sink laundry bathrooms and water heater install ?? black iron gas pipe to supply wall furnace stove and dryer 60 ft?
Valuation:
$15,500
Permit #:
PP-2024-18522
Status:
complete
Fee:
N/A
Permit Type:
Replace
Building Type:
N/A
Main sewer line replacement
Valuation:
$8,900
Permit #:
B2502-140
Status:
final
Fee:
$461
Permit Type:
Sewer line
Building Type:
N/A
Replace on-site sewer line in front yard
Valuation:
$3,500
Permit #:
PP-2022-23377
Status:
expired
Fee:
N/A
Permit Type:
Replace
Building Type:
N/A
Repair water line
Valuation:
$1,800
Permit #:
PP-2022-13076
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Replace water service line
Valuation:
$2,000
Permit #:
PP-2020-03471
Status:
complete
Fee:
N/A
Permit Type:
Replace
Building Type:
N/A
Replace main water service
Valuation:
$1,100
Permit #:
18-5825
Status:
final
Fee:
N/A
Permit Type:
Comb
Building Type:
N/A
Sewer line repair
Valuation:
$1,500
Permit #:
18-5850
Status:
final
Fee:
N/A
Permit Type:
Comb
Building Type:
N/A
Re-pipe: replace galvanized with new copper 60 lf install automatic shut off/prv/ball valve hose bib
Valuation:
N/A
Permit #:
B25-002364
Status:
final
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Residential
Replace the main sewer line from the clean out in the front yard to the broken section of pipe which is under the city sidewalk approximately 32 feet
Valuation:
$3,500
Permit #:
PP-2022-23285
Status:
withdrawn
Fee:
N/A
Permit Type:
Replace
Building Type:
N/A
Repair sewer line (8 ft)
Valuation:
$24,000
Permit #:
PP-2019-03626
Status:
expired
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Jim & Sons Plumbing& Rooter Inc Reviews
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Jim & Sons Plumbing& Rooter Inc License info
Verified License
| License # | 1045626 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Jim & Sons Plumbing& Rooter Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Berkshire Hathaway Direct Insurance Company |
9
Permits
- Building permit records show that Jim & Sons Plumbing& Rooter Inc has worked on 9 permitted projects.
Jim & Sons Plumbing& Rooter Inc Employees
DC
Donald Michael Costilow
Rmo
VC
Valerie Ann Costilow
Ceo / President