Updated: Jul 04, 2026
Location and Projects
Address
P O BOX 35733, Los Angeles, CA, 90035
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Ron Preston Plumbing
Ron Preston Plumbing, Los, Po Box 35733, Los Angeles, CA (Owned by: Ronald Paul Preston) holds a Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ron Preston Plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ron Preston Plumbing Services
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Ron Preston Plumbing Contact Information
Phone Number: (408) 255-7825
Edit
Address: P O BOX 35733, Los Angeles, CA 90035
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to 11042-30000-08918 to addition 2 sink 1 kitchen sink 2 toilet 1 trap primer
Valuation:
N/A
Permit #:
11042-30001-08918
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change water heater to tankless
Valuation:
N/A
Permit #:
13042-90000-21491
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to #03042-10000-25618 for relocation of plumbing fixtures and (1) new 1 1/4 water service
Valuation:
N/A
Permit #:
03042-10001-25618
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install washer & dryer hook-ups (units: 6 10). install (3) tankless water heaters for building
Valuation:
N/A
Permit #:
06042-10000-21910
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to #03042-10000-25618 for relocation of plumbing fixtures and (1) new 1 1/4 water service
Valuation:
N/A
Permit #:
03042-10001-25618
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Suppl. permit to permit #07042-10000-08738 for (3) eq. valves
Valuation:
N/A
Permit #:
07042-10001-08738
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Repipe remodel i unit only. 4 unit & 6 fixtures
Valuation:
N/A
Permit #:
03042-10000-25618
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Relocate meter- replace line size for size
Valuation:
N/A
Permit #:
03042-10000-17535
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install washer & dryer hook-ups (units: 6 10). install (3) tankless water heaters for building
Valuation:
N/A
Permit #:
06042-10000-21910
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install e.q shut off valve in the duplex
Valuation:
N/A
Permit #:
02042-10000-15258
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace water heater for apartment building
Valuation:
N/A
Permit #:
06042-10000-03641
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remodel
Valuation:
N/A
Permit #:
11042-30000-08918
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install tankless water heater
Valuation:
N/A
Permit #:
05042-10000-28107
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Earthquake gas shut off
Valuation:
N/A
Permit #:
01042-10000-13922
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Gas line for pool heater
Valuation:
N/A
Permit #:
02042-10000-25608
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install e.q shut off valve
Valuation:
N/A
Permit #:
02042-10000-15259
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install e.q. shut off valve
Valuation:
N/A
Permit #:
02042-10000-21101
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Sewer replacement
Valuation:
N/A
Permit #:
05042-10000-30929
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install e.q. valve
Valuation:
N/A
Permit #:
03042-10000-27578
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install e.q. valve
Valuation:
N/A
Permit #:
04042-10000-26412
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ron Preston Plumbing License info
Verified License
| License # | 764612 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Ron Preston Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 435522 |
| Status | Inactive |
| State | California |
| Type | Flooring And Floor Covering, General Building |
| 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 Ron Preston Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
32
Permits
- Building permit records show that Ron Preston Plumbing has worked on 32 permitted projects.
Ron Preston Plumbing Employees
RP
Ronald Floyd Preston
Sole Owner
RP
Ronald Paul Preston
Owner