Updated: May 15, 2026
Location and Projects
Address
9860 LOWER AZUSA RD, El Monte, CA, 91731
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Frank Marrone & Sons plumbing Co
Frank Marrone & Sons plumbing Co, 9860 Lower Azusa Rd, El Monte, CA (Employees: Benjamin David Marrone, Frank Richard Marrone Jr, and Frank Richard Marrone Sr) holds a Plumbing, Fire Protection license and 2 other licenses according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Frank Marrone & Sons plumbing Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Frank Marrone & Sons plumbing Co Services
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Frank Marrone & Sons plumbing Co Contact Information
Phone Number: (626) 444-2548
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Address: 9860 LOWER AZUSA RD, El Monte, CA 91731
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Frank Marrone & Sons plumbing Co El Monte
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Frank Marrone & Sons plumbing Co has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
8 projects
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Frank Marrone & Sons plumbing Co has worked on at least
17.0 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
|
16 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Frank Marrone & Sons plumbing Co mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
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 Frank Marrone & Sons plumbing Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 1 type l copper water service and 1 backflow valve
Valuation:
$8,297
Permit #:
COM-PLB-25-008
Status:
complete
Fee:
$188
Permit Type:
New
Building Type:
N/A
Install reduced pressure backflow valve
Valuation:
$22,175
Permit #:
COM-PLB-25-007
Status:
complete
Fee:
$438
Permit Type:
New
Building Type:
N/A
Addition and interior remodel of 2 story single family residence
Valuation:
$152,600
Permit #:
BS2001568
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family res...
Revision to approved plans to addition 18 additional fire sprinkler heads to permit 20043-10000-02213
Valuation:
N/A
Permit #:
21043-10000-00923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check only: revision to 20043-10000-02213. revise pipe material. resubmitting due to change in pipe material. originally installing copper and cpvc. revised to use steel pipe and plastic. original application number:200431000002213 permit number: 20043-10000-02213
Valuation:
N/A
Permit #:
20043-10000-05838
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to permit #21042-10000-05174 to: change contractor from b a c c o mechanical inc to frank marrone and sons inc
Valuation:
N/A
Permit #:
21042-10001-05174
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 21042-90000-05789 to add: (5) earthquake valves and (5) gas outlets
Valuation:
N/A
Permit #:
21042-30001-05789
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing tenant improvement. includes domestic water waste/vent and grease waste systems
Valuation:
N/A
Permit #:
21042-10000-15744
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire sprinkler system per nfpa 13d. 2 domestic water meter. no backflow preventer
Valuation:
N/A
Permit #:
19043-20000-05573
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water heater replacement & relocate existing fau gas supply
Valuation:
N/A
Permit #:
22042-90000-24523
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for commercial tenant improvement. (kitchen/bar)
Valuation:
N/A
Permit #:
22042-90000-00547
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Bathtub/shower clothes washer dishwasher hose bibbs lavatorie sink water closet water heater gas outlets water main and connect to public sewer accessory dwelling unit
Valuation:
$0
Permit #:
P19-37981
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential fire sprinkler system ; nfpa 13d
Valuation:
N/A
Permit #:
21043-10000-01676
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for commercial tenant improvement
Valuation:
N/A
Permit #:
21042-90000-08677
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Nfpa 13d system with 1 domestic meter
Valuation:
N/A
Permit #:
20043-10000-04875
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Potable water only. new 1 domestic water meter no backflow
Valuation:
N/A
Permit #:
21042-10000-08341
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Sewer cap
Valuation:
N/A
Permit #:
23042-90000-08909
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New potable water waste & vent sewage ejector sump pump low pressure gas. 2 water meter
Valuation:
N/A
Permit #:
20042-20000-04642
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Complete plumbing for single family dwelling includes sewage ejector and sump pump
Valuation:
N/A
Permit #:
17042-20000-11706
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New single family residential home
Valuation:
N/A
Permit #:
24042-90000-00145
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
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BZ Score
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Projects
Frank Marrone & Sons plumbing Co Reviews
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Verified License
BuildZoom confirmed this contractor's license
Frank Marrone & Sons plumbing Co License info
Verified License
| License # | 397884 |
| Status | Active |
| State | California |
| Type | Plumbing, Fire Protection |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Frank Marrone & Sons plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 597070 |
| 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 Frank Marrone & Sons plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 286612 |
| 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 Frank Marrone & Sons plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $5,000 |
Insured
| Workers Comp Provider | Republic Indemnity Company Of America |
1K
Permits
- Building permit records show that Frank Marrone & Sons plumbing Co has worked on 1031 permitted projects.
Frank Marrone & Sons plumbing Co Employees
BM
Benjamin David Marrone
Officer
FJ
Frank Richard Marrone Jr
Officer
FS
Frank Richard Marrone Sr
Sole Owner