Updated: Jul 15, 2026
Location and Projects
Address
480 Mamaroneck Ave, Harrison, NY, 10528
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JA Jennings HVAC/Mechanical Contractor
JA Jennings Inc, 480 Mamaroneck Ave, Harrison, NY holds a Home Improvement Contractor license and 5 other licenses according to the Westchester County license board.
Their BuildZoom score of 111 ranks in the top 4% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring JA Jennings Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
JA Jennings Inc Services
Start a project today:
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
HVAC
Framing
Sheet Metal Work
Garage Construction
Mechanical Work
Restaurant New Construction
Retail New Construction
Office Building New Constru...
Industrial New Construction
Hotel New Construction
Warehouse New Construction
Other Commercial New Constr...
Industrial Renovation
Hotel Renovation
Warehouse Renovation
ADU
Small Multi-Family Remodel ...
Whole Home Remodel
Addition
JA Jennings Inc Contact Information
Phone Number: (914) 381-5300
Address: 480 Mamaroneck Ave, Harrison, NY 10528
JA Jennings Inc Harrison
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JA Jennings Inc has a BuildZoom score of 111, which places them above 96% of 77,888 contractors in New York.
Activity
|
7 projects
|
2025 |
|
16 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that JA Jennings Inc has worked on at least
37.0 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
|
23 projects
|
Mechanical projects |
|
9 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that JA Jennings Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
5 projects
|
$5k-$20k |
|
13 projects
|
$20k-$50k |
|
10 projects
|
$50k-$100k |
|
9 projects
|
$100k-$250k |
|
13 projects
|
$250k-$500k |
|
12 projects
|
$500k-$1mil |
|
7 projects
|
$1mil+ |
The typical size of their permits is approximately $147,500. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing the stamped concrete courtyard pavement with new granite pavers sloping the courtyard to provide ada accessibility as shown on drawings. no change in use egress or occupancy
Valuation:
$1,627,675
Permit #:
M01186294-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 13th & 14th fl construction 14 & 15th marketing floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$2,000,425
Permit #:
M01134816-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction work including new concrete flooring removal of non-load bearing partition wall and pew modifications for improved accessibility and circulation as per plans. no change in use egress or occupancy
Valuation:
$538,394
Permit #:
B00875944-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction modifications taking place on the 13th & 14th fl construction 14th & 15th fl marketing floors as per plans filed herewith. no change in use egress or occupancy
Valuation:
$2,500,284
Permit #:
M01134799-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing interior renovation of existing commercial spaces at 7th and 25th construction floors as per plans submitted. no change in use egress or occupancy under this application
Valuation:
$3,864,927
Permit #:
B00846704-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 25th & 26th fl marketing 24th & 25th fl construction floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$487,264
Permit #:
M00916091-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Modifications to hvac duct work piping and equipment to accommodate the d3 radiology lab renovation in the existing hospital building. no change to use egress or occupancy
Valuation:
$400,000
Permit #:
M00476402-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing interior renovation of 7th floor commercial space with partitions doors and finishes as per plans. no change in use egress or occupancy under this application
Valuation:
$800,000
Permit #:
Q00989231-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Filing to modify existing hvac system at 7th and 25th (26 marketing) floors as per plans. no change in use egress or occupancy under this application
Valuation:
$1,000,000
Permit #:
B00848307-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Modification to interior partitions and finishes to accommodate the d3 radiology lab renovation in existing hospital building as per plans filed herewith only. no change to zoning use egress or occupancy
Valuation:
$250,000
Permit #:
M00477635-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction modifications taking place on the 25th & 26th fl marketing 24th & 25th fl construction floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$609,165
Permit #:
M00916087-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 5th and 6th floors as per plans filed herewith. no change in use egress or occupancy
Valuation:
$650,000
Permit #:
M00913491-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction taking place on the 72nd floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$565,000
Permit #:
M01154209-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 49th floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$300,000
Permit #:
M00947461-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 7th floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$1,000,000
Permit #:
M01009909-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical modifications taking place on the 12th floor as per plans filed herewith. no change in use egress or occupancy
Valuation:
$420,400
Permit #:
M00985906-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Minor demolition with installation of new partitions doors suspended ceilings and finishes (the ideal school) as per plans. no change to use egress or occupancy
Valuation:
$2,550,000
Permit #:
M08027614-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical work on the 37th floor as plans filed herewith. no change in use egress or occupancy
Valuation:
$815,990
Permit #:
M00936169-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Modification to hvac duct work piping and equipment to accommodate the wcm administration consolidation renovation in the existing building
Valuation:
$400,000
Permit #:
M00820055-I1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction modifications taking place on the 5th and 6th floors as per plans filed herewith. no changes in use egress or occpancy
Valuation:
$1,800,000
Permit #:
M00913472-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
JA Jennings Inc Reviews
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JA Jennings Inc License info
Verified License
| Status | Active |
| County | Westchester County |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 028326 |
| Status | Active |
| State | New York |
| Type | Superintendent Of Construction |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of JA Jennings Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 34995 |
| Status | Active |
| State | New York |
- When BuildZoom last verified this license, it had an expiration date of November, 2015. Check the current license status of JA Jennings Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 614048 |
| Status | Active |
| State | New York |
| Type | General Contractor Registered, General Contractor Registered, General Contractor Registered |
- When BuildZoom last verified this license, it had an expiration date of June, 2025. Check the current license status of JA Jennings Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 034995 |
| Status | Active |
| State | New York |
| Type | Gc Safety Registration, Gc Safety Registration, Gc Safety Registration |
- When BuildZoom last verified this license, it had an expiration date of November, 2024. Check the current license status of JA Jennings Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 605640 |
| Status | Inactive |
| State | New York |
| Type | General Contractor Registered, General Contractor Registered, General Contractor Registered |
- According to the New York City Department of Buildings, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for JA Jennings Inc at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Harleysville Worcester In |
Insured
| Workers Comp Provider | New York State Ins. Fund |
213
Permits
- Building permit records show that JA Jennings Inc has worked on 213 permitted projects.