Updated: Jun 13, 2026
Location and Projects
Address
6169 Mission St, Daly City, CA, 94014
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Flow Masters Plumbing Inc Photos
Flow Masters Plumbing Inc
Flow Masters Plumbing Inc, 6169 Mission St, Daly City, CA (Employees: Alan Moran and Fergal McMahon) holds a Plumbing, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 118 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Flow Masters Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Flow Masters Plumbing Inc Services
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Flow Masters Plumbing Inc Contact Information
Phone Number: (650) 290-0287
Address: 6169 Mission St, Daly City, CA 94014
Flow Masters Plumbing Inc Daly City
Quality
118
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Flow Masters Plumbing Inc has a BuildZoom score of 118, which places them above 99% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
39 projects
|
2025 |
|
62 projects
|
2024 |
|
45 projects
|
2023 |
Our building permit records indicate that Flow Masters Plumbing Inc has worked on at least
147.0 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
|
New Constructions |
|
144 projects
|
Plumbing projects |
|
22 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Flow Masters Plumbing Inc mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
4 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $12,000. This graph shows the distribution of these job values.
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 Flow Masters Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 4pa; this permit will replace expired permits pw20210202337 & pp20170804607 - new fire sprinklers throughout the building with underground service per nfpa 13.5
Valuation:
N/A
Permit #:
PW20250212031
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace tankless water heaters and components with similar in kind. removal of existing backflow device and install feeder tank for closed loop system
Valuation:
N/A
Permit #:
PW20250409398
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; install new house trap and sewer lateral from rear of property to common tie in downstream in neighbor's garden (119 beaumont ave). run new joint sewer line (123 &119 beaumont ave) to common private sewer main @ rear of 119 beaumont ave
Valuation:
N/A
Permit #:
PW20230224981
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; ¿floodwater management grant project¿ with `backwater valve installation internal plumbing reconfiguration¿
Valuation:
N/A
Permit #:
PW20250424786
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; backflow assembly was removed during demolition before we were hired/on site. the hazard source (boiler) that required the backflow is no longer existing and a water heater has been put in placed
Valuation:
N/A
Permit #:
PW20230411137
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire permit - fire sprinkler - commercial multi-family
2024-01-24
Tenant improvement. (29) sprinkler heads. modify existing supervised fire sprinkler system to have proper coverage to the tenants reconfiguration of walls and ceilings. no square footage added. tv
Valuation:
N/A
Permit #:
FR-2023-289254
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; permit pulled to fnalize plumbing in in-law unit please see job card 202412317558
Valuation:
N/A
Permit #:
PW20250324995
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 200 gallon hot water storage tank. this is not a water heater storage tank only
Valuation:
N/A
Permit #:
BLD-2025-143
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
4th floor:install fire sprinkler system nfpa 13-r. as built of 4th floor ref#: 202010287649 and 201702109176
Valuation:
$15,000
Permit #:
202504164552
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Work category: 1p; supply and install radiant heat tubing in basment level only
Valuation:
N/A
Permit #:
PW20250303479
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; supply and install takagi tankless water heater to supply domestic hot water and radiant heat throughout unit - install heat exchanger and pumps to separate domestic and hydronic system
Valuation:
N/A
Permit #:
PW20230612725
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocation of (e) 1 sprinkler branch line to clean the vault at the garage level. overhead sprinkler system per nfpa13 2016 including adopted standards by city of sf & cbc-903.3.1.3. ref pa# 202009013169
Valuation:
$3,500
Permit #:
202203089420
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
30 - prkng garage...
Relocation of (e) 1 sprinkler branch line to clean the vault at the garage level. overhead sprinkler system per nfpa13 2016 including adopted standards by city of sf & cbc-903.3.1.3. ref pa# 202009013169
Valuation:
$3,500
Permit #:
202203089420
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
30 - prkng garage...
Install (n) automatic fire sprinkler system in unit a (adu) & adjacent crawl space supplied from (e) 2 lateral/underground/backflow. (n) fdc located outside of unit a on treat ave. total 19 heads
Valuation:
$10,378
Permit #:
202112023543
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Work category: 1p; hook up existing kitchen sink plumbing no rough in hook up existing powder room plumbing no rough in
Valuation:
N/A
Permit #:
PW20250630283
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace sewer pipe from garage door to house trap
Valuation:
N/A
Permit #:
PW20250225343
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire permit - fire sprinkler - residence - single family dwelling duplex
2021-05-21
Remove all (e) plywood throughout d (1849sf) replace all (e) insulation in exterior facing walls and install (n) drywall. remove (e) non-load bearing walls at living room kitchen hallway closets at family room and bedroom and utility closets. install (n) wall at kitchen to expand bedroom on existing floor space and rearrange. remodel kitchen with new layout. remodel 2 (e) bathrooms. i... see more
Valuation:
N/A
Permit #:
FR-2020-276501
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; replace sewer from curb to inside of property
Valuation:
N/A
Permit #:
PW20250310627
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1p; shower remodel - reconfigure drain and shower valve. replace with similar in kind reinstall toilet and vanity in same location
Valuation:
N/A
Permit #:
PW20241223964
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; installation of a new automatic fire sprinkler system on the 1st floor of the 2-story building per nfpa 13 2016 and the ordinance of the city of san francisco
Valuation:
N/A
Permit #:
PW20210714032
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Flow Masters Plumbing Inc License info
Verified License
| License # | 966337 |
| Status | Active |
| State | California |
| Type | Plumbing, Fire Protection, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Flow Masters Plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
118
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
824
Permits
- Building permit records show that Flow Masters Plumbing Inc has worked on 824 permitted projects.
Flow Masters Plumbing Inc Employees
Alan Moran
Owner/Lead Estimator
Fergal McMahon
Owner/Project Manager