Updated: Oct 13, 2025
Location and Projects
Address
71 5TH AVENUE, Brooklyn, NY, 11217
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Conservation plumbing &h
Conservation plumbing &h, 71-5 Th Ave, Brooklyn, NY (Owned by: Mark I Dornhelm) holds a General Contractor Non Registered license and 3 other licenses according to the New York license board.
Their BuildZoom score of 0 does not rank in the top 50% of New York contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Conservation plumbing &h, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Conservation plumbing &h Services
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Conservation plumbing &h Contact Information
Phone Number: (718) 230-5444
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Address: 71 5TH AVENUE, Brooklyn, NY 11217
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Building Permits by Conservation plumbing &h
This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
301302007-21-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-17-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-24-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-24-EW-BL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-21-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-20-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-23-EW-BL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-23-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-16-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-22-EW-BL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-20-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-18-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-22-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300454103-21-EW-BL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
320216388-01-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
320216388-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-01-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301302007-01-AL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300465887-01-PL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
300465887-01-EW-BL
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Conservation plumbing &h License info
License Not Verified
| License # | 004819 |
| Status | Active |
| State | New York |
| Type | General Contractor Non Registered |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Conservation plumbing &h with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 000429 |
| Status | Active |
| State | New York |
| Type | Plumber |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Conservation plumbing &h at 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 # | 4819 |
| Status | Active |
| State | New York |
| Type | General Contractor - Non-Registered |
- When BuildZoom last verified this license, it had an expiration date of March, 2013. Check the current license status of Conservation plumbing &h 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
| Status | Active |
| State | New York |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of February, 2013. Check the current license status of Conservation plumbing &h with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Conservation plumbing &h, click “This is My Business” to update your information.
Insured
| Insurer | Wesco Ins Company |
Insured
| Workers Comp Provider | New York State Ins Fund |
6
Permits
- Building permit records show that Conservation plumbing &h has worked on 6 permitted projects.
Conservation plumbing &h Employees
MD
Mark I Dornhelm
Owner