Updated: May 18, 2026
Location and Projects
Address
8817 Baird Ave, Northridge, CA, 91324
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Delaplane Plumbing Inc
Delaplane Plumbing Inc, 8817 Baird Ave, Northridge, CA (Employees: Diane Marie Delaplane, Gerald Glenn Delaplane, and Michael Curtis Dahn) holds a Renovation license and 4 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Delaplane Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Delaplane Plumbing Inc Contact Information
Phone Number: (818) 993-4623
Address: 8817 Baird Ave, Northridge, CA 91324
Delaplane Plumbing Inc Northridge
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Delaplane Plumbing Inc has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Delaplane Plumbing Inc has worked on at least
4.0 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
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Delaplane Plumbing Inc mostly works on
plumbing project
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$250k-$500k |
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 Delaplane Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Ground fl. tenant improvement. for cannabis retail approved per conditional use authorization case no 2021-011352cua
Valuation:
$350,000
Permit #:
202303214058
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Installed gas sismic shut off valvues on gas meters
Valuation:
N/A
Permit #:
22042-10000-10609
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installed gas sismic valvues on gas meteres
Valuation:
N/A
Permit #:
22042-10000-10608
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Waste line repair
Valuation:
N/A
Permit #:
23042-90000-10553
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install (5) tub shower valves. comply with department order effective date 07/10/2017. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
18042-20000-27664
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to addition new fixtures: (3) sinks (1) floor drain and (1) garbage disposal. replace (2) toilets install (1) expansion tank (1) gas line and (1) trap primer
Valuation:
N/A
Permit #:
18042-20001-13198
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installed has sismik valvue
Valuation:
N/A
Permit #:
22042-10000-10591
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Sub meter installation
Valuation:
N/A
Permit #:
22042-90000-06358
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Sub meter
Valuation:
N/A
Permit #:
22042-90000-11568
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit 19042-20000-12380 to include (2) water heaters for unit 1 & 3
Valuation:
N/A
Permit #:
19042-20001-12380
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 13 earthquake gas shut off valves
Valuation:
N/A
Permit #:
20042-20000-12516
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
1 inch sub meter
Valuation:
N/A
Permit #:
21042-90000-16860
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Sub meter
Valuation:
N/A
Permit #:
21042-90000-34611
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(2) water heaters and expansion tanks for unit # 1 & 5
Valuation:
N/A
Permit #:
19042-20000-14345
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(2) water heaters and expansion tanks for unit # 4 & 5
Valuation:
N/A
Permit #:
19042-20000-14342
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
1 1/2 inch earthquake seismic shut off valve
Valuation:
N/A
Permit #:
19042-90000-28418
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(1) water using device
Valuation:
N/A
Permit #:
20042-10000-17089
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Irrigation sub meter
Valuation:
N/A
Permit #:
20042-90000-09673
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Irrigation sub meter
Valuation:
N/A
Permit #:
20042-90000-09672
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 1 1/2 gas seismic earthquake valve
Valuation:
N/A
Permit #:
19042-90000-13256
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Delaplane Plumbing Inc Reviews
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Verified License
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Delaplane Plumbing Inc License info
Verified License
| License # | NAT-126609-3 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Delaplane Plumbing Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 874056 |
| 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 Delaplane Plumbing 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 # | 782489 |
| Status | Inactive |
| State | California |
| Type | 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.
Check this license's status for Delaplane Plumbing 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 # | 629836 |
| Status | Inactive |
| State | California |
| Type | 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.
Check this license's status for Delaplane Plumbing 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-126609-2 |
| 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.
Check this license's status for Delaplane Plumbing Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Federated Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
378
Permits
- Building permit records show that Delaplane Plumbing Inc has worked on 378 permitted projects.
Delaplane Plumbing Inc Employees
DD
Diane Marie Delaplane
Officer
GD
Gerald Glenn Delaplane
Rmo
MD
Michael Curtis Dahn
Officer