Updated: Jun 17, 2026
Location and Projects
Address
P O BOX 4542, Rancho Cucamonga, CA, 91729
Use our bidding system to
request a quote
Master Flow Plumbing Inc
Master Flow Plumbing Inc, Rancho, Po Box 4542, Rancho Cucamonga, CA (Owned by: Raymond Richard Sanchez) holds a Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Master Flow Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Master Flow Plumbing Inc Services
Start a project today:
Master Flow Plumbing Inc Contact Information
Phone Number: (661) 874-2469
Edit
Address: P O BOX 4542, Rancho Cucamonga, CA 91729
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Master Flow Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace 1 water heater & install 3 new water heaters. installation of water heater not within required zoning setbacks
Valuation:
N/A
Permit #:
18042-20000-18872
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace water heater - same location in garage
Valuation:
N/A
Permit #:
1707180028
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bring water heater up to code per housing dept
Valuation:
N/A
Permit #:
16042-20000-04304
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace water main and sewer line. eng. #101742-59
Valuation:
N/A
Permit #:
15042-20000-09178
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace water main
Valuation:
N/A
Permit #:
15042-20000-17163
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repipe fixtures water heater and hose bibbs
Valuation:
N/A
Permit #:
20042-20000-21057
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install sewage ejector pump to serve back house with 1 bathroom and 1 kitchen to tie into existing 4 gravity sewer serving front house
Valuation:
N/A
Permit #:
03042-20000-37883
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2-building sewer repair on property
Valuation:
N/A
Permit #:
BP1525690
Status:
final
Fee:
N/A
Permit Type:
Apartment/condo
Building Type:
N/A
Fixing plumbing for repipe done under unlicensed contractor in 6-unit apartment building
Valuation:
N/A
Permit #:
12042-20000-06762
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace 6 floor sinks and 2 floor drains
Valuation:
N/A
Permit #:
12042-20000-22971
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Relocate water heater to outside of (e) single family dwelling. provide w/h strip per city standard. convert (e) location to a closet
Valuation:
N/A
Permit #:
03016-20000-07581
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repipe
Valuation:
N/A
Permit #:
19042-20000-03784
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove a section of 3/4 of gas line to test gas line for leak to repair
Valuation:
$1,900
Permit #:
BS1205104
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured low-med
Repair water main
Valuation:
N/A
Permit #:
13042-20000-00719
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace main water line from meter to house test two gas outlets
Valuation:
N/A
Permit #:
B00-037-405
Status:
final
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Connect to sewer line (eng permit no. s2004810824) waste and vent and repipe 2 wash sinks
Valuation:
N/A
Permit #:
05042-20000-19371
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for 2 additional earthquake shut off valves for units 11320 and 11322
Valuation:
N/A
Permit #:
05042-20001-03351
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace sewer line. eng. #22490-61
Valuation:
N/A
Permit #:
12042-20000-01537
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace water heater
Valuation:
N/A
Permit #:
12042-20000-11084
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install eq valve
Valuation:
N/A
Permit #:
12042-20000-03890
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Similar Contractors See more
132
BZ Score
$1.3K
Avg Project
-
Projects
138
BZ Score
$9K
Avg Project
-
Projects
135
BZ Score
$31.2K
Avg Project
-
Projects
Master Flow Plumbing Inc Reviews
BuildZoom hasn't received any reviews for Master Flow Plumbing Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Master Flow Plumbing Inc License info
Verified License
| License # | 810730 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Master Flow 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 # | 785577 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, 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. If this is your business, please update your license status.
Check this license's status for Master Flow Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
85
Permits
- Building permit records show that Master Flow Plumbing Inc has worked on 85 permitted projects.
Master Flow Plumbing Inc Employees
JP
Jose De Jesus Garcia Perez
Rmo / Ceo / Pres
RP
Raul Garcia Perez
Rmo / Ceo / Pres
RS
Raymond Richard Sanchez
Owner