Updated: Dec 18, 2025
Location and Projects
Address
15-62 208th, Bayside, NY, 11360
Use our bidding system to
request a quote
Cornerstone Mechanical Inc
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
If you are thinking of hiring Cornerstone Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cornerstone Mechanical Inc Contact Information
Address: 15-62 208th, Bayside, NY 11360
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Cornerstone Mechanical Inc Bayside
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cornerstone Mechanical Inc has a BuildZoom score of 90, which places them above 47% of 77,888 contractors in New York.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that Cornerstone Mechanical Inc has worked on at least
2.0 projects over the past year.
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
|
$5k-$20k |
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 Cornerstone Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical ventilation as per plans filed herewith. no change to use egress or occupancy
Valuation:
$10,000
Permit #:
B01231458-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Proposed to legalize non- load bearing partition in the existing living room align with the kitchen wall in dwelling unit #2n as per plans submitted herewith.no proposed work under this application
Valuation:
N/A
Permit #:
Q00451310-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of mechanical duct work and units. no change to use egress or occupancy
Valuation:
$200,000
Permit #:
M00400100-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical work as per plans filed
Valuation:
$100,000
Permit #:
M01280907-I1-MS
Status:
approved
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Installing new mechanical ventilation system - condensing unit at roof and 2 air handlers and minor related duct in apartment. no change of use egress or occupancy
Valuation:
$80,000
Permit #:
M00272267-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install split type air conditioning unit for residential unit at third floor. no change in use egress or certificate of occupancy
Valuation:
$12,000
Permit #:
B00426750-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of 2 new roof top units as shown herewith. no changes to egress occupancy or job description for new work (printed on work permit):use
Valuation:
$20,000
Permit #:
Q00656789-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing hvac system for two family dwelling - as shown on plans
Valuation:
$50,001
Permit #:
B00510580-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
135
BZ Score
$37.3K
Avg Project
-
Projects
License # 028375
New York, NY
122
BZ Score
$99.8K
Avg Project
-
Projects
122
BZ Score
$91K
Avg Project
-
Projects
Cornerstone Mechanical Inc Reviews
BuildZoom hasn't received any reviews for Cornerstone Mechanical Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Cornerstone Mechanical Inc License info
License Not Verified
| License # | 201632 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Cornerstone Mechanical Inc with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
8
Permits
- Building permit records show that Cornerstone Mechanical Inc has worked on 8 permitted projects.
Cornerstone Mechanical Inc Employees
JH
James Hong
President