Updated: Mar 27, 2026
Location and Projects
Address
1535 STANTON STREET, Alameda, CA, 94501
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H T O Plumbing & Radiant
H T O Plumbing & Radiant, 1535 Stanton St, Alameda, CA (Employee: Thomas John Modelski) holds a Plumbing, Boiler, Hot Water Heating And Steam Fitting license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring H T O Plumbing & Radiant, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
H T O Plumbing & Radiant Services
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H T O Plumbing & Radiant Contact Information
Phone Number: (510) 864-1080
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Address: 1535 STANTON STREET, Alameda, CA 94501
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H T O Plumbing & Radiant Alameda
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
H T O Plumbing & Radiant has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that H T O Plumbing & Radiant has worked on at least
2.0 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.
Pricing
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 H T O Plumbing & Radiant
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace gas tanked water heater with electric heat pump water heater. addition 240v wiring direct to main service panel
Valuation:
$5,000
Permit #:
PW23-0045
Status:
final
Fee:
$394
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2018-12-22
Mechanical addition radiant heat to bathrooms and hallway in pproposed one story rear addition of approximately744square feet. also a front addition of approximately 88 square feet by enclosing an existing front deck to enlarge the master bedroom
Valuation:
N/A
Permit #:
RM1502017
Status:
final
Fee:
$413
Permit Type:
N/A
Building Type:
N/A
Replace boiler located in basement- sn sl14-115g3-19648 model -ibc
Valuation:
N/A
Permit #:
PP20240717911
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for proposed one story rear addition of approximately744square feet. also a front addition of approximately 88 square feet by enclosing an existing front deck to enlarge the master bedroom
Valuation:
N/A
Permit #:
RP1503226
Status:
final
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Install under floor radiant system. install boiler. 95k btu
Valuation:
N/A
Permit #:
PP20200227112
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water drains to bathtub shower 2 lavs toilet kithen sink gas line to stove (1) shower pan
Valuation:
N/A
Permit #:
PP20180803680
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install toilet lav shower kitchen sink gas to stove
Valuation:
N/A
Permit #:
PP20181221734
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Radiant tubing install heat exchange install
Valuation:
N/A
Permit #:
PP20181001354
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water drains to bathroomtub shower 2 lavs toilet kithen sink gas line to stove (1) shower pan
Valuation:
N/A
Permit #:
PP20180803680
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace boiler
Valuation:
N/A
Permit #:
PP20191203661
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 radiators 1 heat exchanger
Valuation:
N/A
Permit #:
PP20170706751
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete rp1503226 - plumbing for proposed one story rear addition of approximately744square feet. also a front addition of approximately 88 square feet by enclosing an existing front deck to enlarge the master bedroom
Valuation:
N/A
Permit #:
RP1603318
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
New 3 story 2, 476 s.f residential duplex. lower unit is on the first floor. the uper unit is on the second and third floors. two additional parking spaces are provided. need address assignment befor permit can be issued * added plumbing to permit.dc
Valuation:
$500,000
Permit #:
B2007-02052
Status:
Closed Complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work being done at 510 treasure island (quarter 10) rough and install 2 toilets 2 lav's kitchen sink gas to boiler water heater stove install boiler radiant tubing
Valuation:
$0
Permit #:
PP20150417805
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete rp1503226 - plumbing for proposed one story rear addition of approximately744square feet. also a front addition of approximately 88 square feet by enclosing an existing front deck to enlarge the master bedroom
Valuation:
N/A
Permit #:
RP1603318
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Work being done at 510 treasure island restroom. rough and install 2 toilets 2 lav's drinking fountain
Valuation:
$0
Permit #:
PP20150417804
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for proposed one story rear addition of approximately744square feet. also a front addition of approximately 88 square feet by enclosing an existing front deck to enlarge the master bedroom
Valuation:
N/A
Permit #:
RP1503226
Status:
final
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Remove (e0 boiler # mjl5438 and indirect water heater. install boiler and indirect water heater
Valuation:
$0
Permit #:
PP20150528006
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (e) boiler with heat exchanger and relocate backflow device
Valuation:
$0
Permit #:
PP20160104720
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Radiant tuping install 2000sf boiler install. (110k btu)
Valuation:
$0
Permit #:
PP20160104721
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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H T O Plumbing & Radiant Reviews
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Verified License
BuildZoom confirmed this contractor's license
H T O Plumbing & Radiant License info
Verified License
| License # | 876197 |
| Status | Active |
| State | California |
| Type | Plumbing, Boiler, Hot Water Heating And Steam Fitting |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for H T O Plumbing & Radiant at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
70
Permits
- Building permit records show that H T O Plumbing & Radiant has worked on 70 permitted projects.
H T O Plumbing & Radiant Employees
TM
Thomas John Modelski
Sole Owner