Updated: Jun 30, 2026
Location and Projects
Address
840 Wellwood Avenue, Lindenhurst, NY, 11757
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Flag-clean Island Ltd Construction
Serving Lindenhurst, NY and the surrounding area for 8 years, Flag-clean Island Ltd offers specialized cleaning services for both residential and commercial properties. This contractor provides a range of cleaning solutions, with experience working on projects for local homeowners as well as business owners. From routine maintenance cleaning to more targeted property clean-ups, Flag-clean Island Ltd tailors their services to address the specific needs of each client. Their portfolio includes various cleaning project types, though additional service details are available directly from the company. Flag-clean Island Ltd is known locally for its presence in Lindenhurst and the neighboring communities.
Flag-clean Island Ltd Services
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Flag-clean Island Ltd Contact Information
Phone Number: (631) 226-9800
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Address: 840 Wellwood Avenue, Lindenhurst, NY 11757
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Flag-clean Island Ltd Lindenhurst
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Flag-clean Island Ltd has a BuildZoom score of 102, which places them above 89% of 77,888 contractors in New York.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that Flag-clean Island Ltd has worked on at least
4.0 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
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
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 Flag-clean Island Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Proposed interior renovations of existing two family house to repair fire damage. addition 3-piece bathroom at 1st floor. addition new wood deck to the rear yard
Valuation:
$192,640
Permit #:
B01119372-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Proposed interior renovations of existing two family house to repair fire damage. removal and installation of new plumbing fixtures filed under b01010631-s1
Valuation:
$120,000
Permit #:
B01010631-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovations on 2nd and 3rd floors only of existing mixed residential & commercial building. plumbing fixture replacement filed under app #q00915856
Valuation:
$78,200
Permit #:
Q00915833-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Proposed interior renovations ofexisting one family house to repairfire damage. plumbing filed under app #q00862211
Valuation:
$85,120
Permit #:
Q00862203-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temp construction fence filing to satisfy a fence ied issued by nyc hpd and dob units fence also filed in conjunction with demolish filing for residential garage. fence plan prepared showing erection of fence as erected by hpd/dob contractor
Valuation:
$6,000
Permit #:
Q00493953-I1-FN
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421685055-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321786670-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548748-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548659-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321817423-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548640-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548631-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548622-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421548695-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321251033-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321251024-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421776144-01-DM
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary bracing to upper floors parapet for lateral stability due to damaged joists framing into perimeter walls as per plans filed herewith
Valuation:
$500,400
Permit #:
B00246011-I1-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Flag-clean Island Ltd Reviews
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Verified License
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Flag-clean Island Ltd License info
License Not Verified
| License # | H18F1470000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Flag-clean Island Ltd with 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 # | H18F1470000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Flag-clean Island Ltd with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2015897-DCA |
| Status | Active |
| State | New York |
| Type | Home Improvement Contractor |
| Date Issued | 08-19-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Flag-clean Island Ltd at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 28259 |
| Status | Active |
| County | Suffolk County |
| Type | H H1 - Gc |
- When BuildZoom last verified this license, it had an expiration date of February, 2015. Check the current license status of Flag-clean Island Ltd 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 # | NAT-F150361-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Flag-clean Island Ltd at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 618181 |
| Status | Inactive |
| State | New York |
| Type | 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. If this is your business, please update your license status.
Check this license's status for Flag-clean Island Ltd at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LBP-F150361-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Lead Abatement, Renovation |
- According to the United States Environmental Protection Agency, 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 Flag-clean Island Ltd at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H18F14700 |
| 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 Flag-clean Island Ltd at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F150361-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Lead Abatement, Renovation |
- According to the United States Environmental Protection Agency, 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 Flag-clean Island Ltd at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Nautilus Ins Company |
Insured
| Workers Comp Provider | Hartford Insurance Group |
17
Permits
- Building permit records show that Flag-clean Island Ltd has worked on 17 permitted projects.
Flag-clean Island Ltd Employees
EW
Edward J Wenzel
Vp/Sec
EW
Edward Wenzel
Owner
RS
Robert S Sands
Pres
TM
Thomas E Modafferi
V Pres