Updated: Nov 21, 2025
Location and Projects
Address
430 West Montauk Hwy, Lindenhurst, NY, 11757
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Suffolk Lock & Security Professionals Construction
Suffolk Lock & Security Professionals Inc, 430 W Montauk Hwy, Lindenhurst, NY (Owned by: Dennis Kasenchak) holds a Home Improvement Contractors license and 2 other licenses according to the Nassau County license board.
Their BuildZoom score of 94 ranks in the top 24% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Suffolk Lock & Security Professionals Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Suffolk Lock & Security Professionals Inc Services
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Suffolk Lock & Security Professionals Inc Contact Information
Phone Number: (631) 957-2227
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Address: 430 West Montauk Hwy, Lindenhurst, NY 11757
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Building Permits by Suffolk Lock & Security Professionals Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plumbing - alteration type 2 mechanical & plumbing filing to convert existing space to a new dental office. filed in conjunction with dob job # 104709996
Valuation:
$160,000
Permit #:
104738697-01-PL
Status:
issued
Fee:
$1,737
Permit Type:
N/A
Building Type:
O6-office buildings
Alteration type 2 - gc filing to modify partitions hvac systemthroughout (removal & install ducts new mechanical units andbathroom ventilation) plumbing work for bathroom ventilation and mechanicalunits-all as per plans filed herewith. no change to use egress or occupancyunder this application
Valuation:
$225,000
Permit #:
310084002-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
M9-church synagogue
Alteration type 2 - mech/hvac filing to modify partitions hvac systemthroughout (removal & install ducts new mechanical units andbathroom ventilation) plumbing work for bathroom ventilation and mechanicalunits-all as per plans filed herewith. no change to use egress or occupancyunder this application
Valuation:
$225,000
Permit #:
310084002-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
M9-church synagogue
Plumbing - alteration type 2 filing to modify partitions hvac systemthroughout (removal & install ducts new mechanical units andbathroom ventilation) plumbing work for bathroom ventilation and mechanicalunits-all as per plans filed herewith. no change to use egress or occupancyunder this application
Valuation:
$225,000
Permit #:
310084002-01-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
M9-church synagogue
Alteration type 2 - mech/hvac proposed subsequent filing of mechanic plumbing & sprinkler to existing medical office space. all as per plans filed herewith. no change in use egress or occupancy
Valuation:
$150,000
Permit #:
420044428-02-EW-MH
Status:
issued
Fee:
$1,634
Permit Type:
N/A
Building Type:
O7-office buildings
Alteration type 2 - sprinkler proposed subsequent filing of mechanic plumbing & sprinkler to existing medical office space. all as per plans filed herewith. no change in use egress or occupancy
Valuation:
$150,000
Permit #:
420044428-02-EW-SP
Status:
issued
Fee:
$1,634
Permit Type:
N/A
Building Type:
O7-office buildings
Plumbing - alteration type 2 proposed subsequent filing of mechanic plumbing & sprinkler to existing medical office space. all as per plans filed herewith. no change in use egress or occupancy
Valuation:
$150,000
Permit #:
420044428-02-PL
Status:
issued
Fee:
$1,634
Permit Type:
N/A
Building Type:
O7-office buildings
Alteration type 2 - mech/hvac subsequent document for mechanical work type to limited local ductwork & diffuser relocations. all as per plans filed herewith. no change in use egress or occupancy
Valuation:
$40,000
Permit #:
420072735-02-EW-MH
Status:
issued
Fee:
$501
Permit Type:
N/A
Building Type:
O7-office buildings
Alteration type 2 - sprinkler subsequent mechanical & sprinkler work types for proposed elevator lift application for access from first floor to cellar. all as per plans filed herewith
Valuation:
$18,000
Permit #:
420066733-02-EW-SP
Status:
issued
Fee:
$274
Permit Type:
N/A
Building Type:
O7-office buildings
Alteration type 2 - mech/hvac subsequent mechanical & sprinkler work types for proposed elevator lift application for access from first floor to cellar. all as per plans filed herewith
Valuation:
$18,000
Permit #:
420066733-02-EW-MH
Status:
issued
Fee:
$274
Permit Type:
N/A
Building Type:
O7-office buildings
Alteration type 2 - mech/hvac mechanical & plumbing filing to convert existing space to a new dental office. filed in conjunction with dob job # 104709996
Valuation:
$160,000
Permit #:
104738697-01-EW-MH
Status:
issued
Fee:
$1,737
Permit Type:
N/A
Building Type:
O6-office buildings
Plumbing - alteration type 2 mechanical & plumbing filed to convert existing space to a new dental office. filed in conjunction with doc #01
Valuation:
$16,700
Permit #:
104764284-02-PL
Status:
issued
Fee:
$253
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - mech/hvac mechanical & plumbing filed to convert existing space to a new dental office. filed in conjunction with doc #01
Valuation:
$16,700
Permit #:
104764284-02-EW-MH
Status:
issued
Fee:
$253
Permit Type:
N/A
Building Type:
D4-elevator apart...
Alteration type 2 - mech/hvac clean room hvac upgrade as per plans. no change in use egress or occupancy
Valuation:
$14,000
Permit #:
420351354-01-EW-MH
Status:
issued
Fee:
$233
Permit Type:
N/A
Building Type:
O5-office buildings
Alteration type 2 - mech/hvac minor mechanical duct work no change in use egress or occupancy
Valuation:
$20,000
Permit #:
420350827-02-EW-MH
Status:
issued
Fee:
$295
Permit Type:
N/A
Building Type:
O5-office buildings
Alteration type 2 - mech/hvac install (2) -5 ton rooftop hvac unit
Valuation:
$20,000
Permit #:
500851615-01-EW-MH
Status:
issued
Fee:
$295
Permit Type:
N/A
Building Type:
O5-office buildings
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Suffolk Lock & Security Professionals Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Suffolk Lock & Security Professionals Inc License info
Verified License
| License # | H4100070000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Suffolk Lock & Security Professionals Inc at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 49637 |
| Status | Active |
| County | Suffolk County |
| Type | Re Re5 - Communications Cable Installer |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Suffolk Lock & Security Professionals Inc with the Suffolk County Department of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H41000700 |
| Status | Inactive |
| County | Nassau County |
| Type | Home Improvement Contractors |
- According to the Nassau County Office of Consumer Affairs, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Suffolk Lock & Security Professionals Inc at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
7
Permits
- Building permit records show that Suffolk Lock & Security Professionals Inc has worked on 7 permitted projects.
Suffolk Lock & Security Professionals Inc Employees
DK
Dennis Kasenchak
President
DK
Dennis Kasenchak
Owner
JK
Joseph S Kasenchak
Vice President