Updated: Mar 14, 2026
Location and Projects
Address
951 HAMLINE STREET, San Jose, CA, 95126
Use our bidding system to
request a quote
Just Leaks Incorporated Construction
Specializing in commercial and industrial roof maintenance in San Jose and the greater Bay Area, Just Leaks Incorporated brings 26 years of experience to facility owners and property managers. The company focuses on installing and maintaining single-ply roofing systems, cool roof coatings, built-up roofs, and metal roofing. Just Leaks Incorporated offers services that include leak repair, preventive roof maintenance, and installation of self-cleaning roof systems designed to improve energy efficiency. Their expertise extends to custom solar panel installation and integrated solar roofing solutions for commercial buildings seeking to lower utility costs and meet sustainability goals. Projects documented by Just Leaks Incorporated include maintenance and repairs for office parks, manufacturing facilities, and educational institutions. Their team assists with roof condition assessments, allowing clients to plan long-term property improvements and ensure code compliance. Service areas include San Jose, Santa Clara, Sunnyvale, Mountain View, and surrounding communities in Silicon Valley.
Just Leaks Incorporated Services
Start a project today:
Just Leaks Incorporated Contact Information
Phone Number: (408) 249-4646
Edit
Address: 951 HAMLINE STREET, San Jose, CA 95126
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Just Leaks Incorporated San Jose
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Just Leaks Incorporated has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Just Leaks Incorporated has worked on at least
9.0 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
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $78,634. 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 Just Leaks Incorporated
This is a sample of this contractor's permits. Click here to access their complete permit history.
Scope of work: overlay reroof northeast of 6 story parking garage structure on top of h&m ray-ban mrs.feilds footlocker house of hoops massage chairs & more panansonic coco bubble fast fix jewlery lovesac maison de patisserie aldo and sephora little strip ontop of apple store no mechanical being removed no changes to parapit walls built-up to pvc single-ply
Valuation:
N/A
Permit #:
2025 127433 CI
Status:
issued
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
Remove existing capsheet built up roof check for rot damage and if rot is found make the appropriate repairs. install new fiber board install s/a base ply install s/a mid ply install s/a capsheet
Valuation:
$179,355
Permit #:
BLD24-01394
Status:
final
Fee:
$8,462
Permit Type:
N/A
Building Type:
N/A
Residential re-roof permit. 2400 sq. ft. undefined. existing charcoal asphalt/comp shingle to be replaced with weatherwood asphalt/comp shingle
Valuation:
$186,500
Permit #:
24CP00733
Status:
final
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Scope of work: installation of 9.6 kw roof mounted photovoltaic system (24) photovoltaic modules (1) 7.6 kw inverter (24) solaredge power optimizers (1) air conditioning disconnect 240 vac nema 3r including associated electrical permit approved stamped plans
Valuation:
$56,000
Permit #:
2021 020305 CI
Status:
issued
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Scope of work: 24 kwstc roof mounted photovoltaic system
Valuation:
$78,634
Permit #:
2023 100421 CI
Status:
issued
Fee:
$813
Permit Type:
Office
Building Type:
N/A
1) install a new 28.8 kw roof mounted photovoltaic system on a flat roof of a warehouse building
Valuation:
$193,660
Permit #:
2021 025592 CI
Status:
issued
Fee:
N/A
Permit Type:
Warehouse/storage
Building Type:
N/A
Reroof to (e) mixed use building remove spray polyurethane foam roof and install new spray polyurethane foam roof. replace approximately 12 sheets of water damaged plywood sheathing
Valuation:
$19,344
Permit #:
2019 132158 CI
Status:
final
Fee:
N/A
Permit Type:
Mixed use
Building Type:
N/A
Scope of work: -install roof mount solar system - 96 modules - 38.40 kw -including associated electrical ***rev to sld the point of interconnection is now on the load side and not line side tap.*** 4/30/22 ** 11/15/22 revision delta #e moved the meter and switch to the back side of the building due to the gas meters
Valuation:
$78,117
Permit #:
2021 013303 CI
Status:
final
Fee:
$3,216
Permit Type:
Office
Building Type:
N/A
Install (921) rooftop tilted solar panels (368.4 kw dc) to commercial building
Valuation:
$1,726,838
Permit #:
2019 149900 CI
Status:
filed
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Scope of work: installation of 9.6 kw roof mounted photovoltaic system (24) photovoltaic modules (1) 7.6 kw inverter (24) solaredge power optimizers (1) air conditioning disconnect 240 vac nema 3r including associated electrical permit approved stamped plans
Valuation:
$56,000
Permit #:
2019 133054 CI
Status:
filed
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Remove approximately 40 squares of wood shake and install plywood (if needed) and install 30year composition shingles
Valuation:
$45,000
Permit #:
BLD23-69912
Status:
final
Fee:
$2,524
Permit Type:
N/A
Building Type:
N/A
Reroof for detached garage main house under dev25-2564 comp- shingles
Valuation:
N/A
Permit #:
DEV25-2567
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroof for main house detached garage under dev25-2567 comp- shingles
Valuation:
N/A
Permit #:
DEV25-2564
Status:
final
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Fire damage repair to an exisitng restaurant 1) repair of rafter (2 x 4) x3 beam (4 x 16) and roof sheathing due to fire fighting operations ****this folder is only for scope of work above. subtrade work see 18-130359. ws 8/17/18
Valuation:
$20,100
Permit #:
2018 122100 CI
Status:
filed
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Install (62) rooftop tilted solar panels (24.8 kw dc)
Valuation:
$163,782
Permit #:
2019 149885 CI
Status:
filed
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
Re-roof (residential non-historic properties like-for-like)
2021-05-06
Recoat 390 squares of existing acrylic roof coating
Valuation:
$79,386
Permit #:
20000-01810
Status:
final
Fee:
$1,888
Permit Type:
N/A
Building Type:
Commercial or mul...
Reroof
Valuation:
N/A
Permit #:
21-2192
Status:
final
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Re-roof (residential non-historic properties like-for-like)
2020-09-11
Recoat 231 squares of existing acrylic roof coating
Valuation:
$46,958
Permit #:
20000-01809
Status:
final
Fee:
$1,408
Permit Type:
N/A
Building Type:
Commercial or mul...
Reroof - comparable
Valuation:
$10,500
Permit #:
R22-0075
Status:
final
Fee:
$210
Permit Type:
Roofing
Building Type:
N/A
Fire damage repair to roof only like for like repair of rafter beam and roof sheathing per approved plans ***see comments***
Valuation:
$20,100
Permit #:
2018 136638 CI
Status:
final
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
193
BZ Score
$200K
Avg Project
-
Projects
187
BZ Score
$30K
Avg Project
-
Projects
Just Leaks Incorporated Reviews
BuildZoom hasn't received any reviews for Just Leaks Incorporated. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Just Leaks Incorporated License info
Verified License
| License # | 712805 |
| Status | Active |
| State | California |
| Type | Roofing, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Just Leaks Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CK-11305 |
| Status | Active |
| City | Milpitas |
| Type | General Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Just Leaks Incorporated with the The City of Milpitas, CA
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
59
Permits
- Building permit records show that Just Leaks Incorporated has worked on 59 permitted projects.
Just Leaks Incorporated Employees
HF
Hector Medina Flores
Rmo / Ceo / Pres
JI
Just Leaks Inc.
Owner
RS
Robert Scott Siemer
Rmo/Ceo/Pres