Updated: Jun 04, 2026
Location and Projects
Address
589 EAST 56TH STREET, Brooklyn, NY, 11203
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Wnw & Sons Plumbing & Htg Inc
Wnw & Sons Plumbing & Htg Inc, 589 E 56th St, Brooklyn, NY (Owned by: Clifford Ross) holds a Fire Suppression Contractor B license and 8 other licenses according to the New York license board.
Their BuildZoom score of 110 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 Wnw & Sons Plumbing & Htg Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Wnw & Sons Plumbing & Htg Inc Services
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Wnw & Sons Plumbing & Htg Inc Contact Information
Phone Number: (718) 863-0700
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Address: 589 EAST 56TH STREET, Brooklyn, NY 11203
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Wnw & Sons Plumbing & Htg Inc Brooklyn
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Wnw & Sons Plumbing & Htg Inc has a BuildZoom score of 110, which places them above 96% of 77,888 contractors in New York.
Activity
|
38 projects
|
2025 |
|
36 projects
|
2024 |
|
65 projects
|
2023 |
Our building permit records indicate that Wnw & Sons Plumbing & Htg Inc has worked on at least
139.0 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
|
4 projects
|
Commercial Renovations |
|
130 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Wnw & Sons Plumbing & Htg Inc mostly works on
plumbing project
and commercial renovation
projects.
Pricing
|
14 projects
|
< $5k |
|
36 projects
|
$5k-$20k |
|
29 projects
|
$20k-$50k |
|
11 projects
|
$50k-$100k |
|
12 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $22,000. 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.
Building Permits by Wnw & Sons Plumbing & Htg Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Modification of existing sprinkler system for commerical eating or drinking establishement as per plan. no change in egress occupancy or use. in conjunction with m00981025 m00976389 m00975890 m00975859 m00974408
Valuation:
$58,000
Permit #:
M00981006-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of sprinkler system for the new daycare facility. installation of 4 watts model 909 rpda reduced pressure zone assembly and 6 watts model 757 double check valve
Valuation:
$80,000
Permit #:
Q01177959-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General renovation of the ground floor and cellar retail space including new sink and relocation of 8 sprinkler heads and the addition of 12 sprinkler heads. no change to use occupancy or egress
Valuation:
$24,000
Permit #:
B00926713-S1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install and relocate sprinklers and associated piping as per plans filed to supersede sprinkler work and filed in conjunction with standpipe work under alter ii #121291645. no change to use egress or occupancy
Valuation:
$113,800
Permit #:
M00946507-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To alter existing sprinkler heads on first floor. alteration type 2 job application shall be filed for interior work under job application number 322039931
Valuation:
$30,000
Permit #:
B00292266-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Subsequent application filed herewith for plumbing work type installation of new plumbing fixtures coldand hot water pipes in conjunction to alter job b00963009-i1
Valuation:
N/A
Permit #:
B00963009-S2-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sprinkler/standpipe work filed in conjunction with alter 1# 123580062
Valuation:
$349,991
Permit #:
M00310150-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical work associated with removal of existing boilers and installation of new boiler system for domestic water heating in conjunction with alt-1 #320891095
Valuation:
$100,000
Permit #:
B00754058-I1-BE
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New combined water service backflow protection valves and fire protection (sprinkler) system
Valuation:
$134,332
Permit #:
B01177980-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing and sprinkler work in a new 4 story building with penthouse and cellar in conjunction with job # 321595840
Valuation:
$317,400
Permit #:
B00233933-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
At 30th floor tenant space hallways and public restrooms modifications to existing sprinkler system including removal of sprinkler heads and installation of temp sprinkler loop as per plans filed herewith. no change to use egress or occupancy
Valuation:
$16,000
Permit #:
M00930345-I1-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Application filed to install plumbing and gas fixtures at 3rd floorcommercial space. no change to use egress or occupancy
Valuation:
$35,000
Permit #:
B00985967-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing - alteration type 2 application filed for replacement of two chillers and two boilers as per plans submitted. this application do not require a new or amended certificate of occupancy as there is no change in use exists or occupancy
Valuation:
$1,600,000
Permit #:
321320138-01-PL
Status:
issued
Fee:
$16,694
Permit Type:
N/A
Building Type:
N/A
Interior plumbing renovation at apartments 1b 11 24 32 33 41 55 66 67 as per plans filed hereiwth. additional apartments 25 27 34 35 36 37 44 45 53 57 65. no layout changes. all fixtures to remain at same location
Valuation:
$145,500
Permit #:
M00625105-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing work associated with installation of new gas piping. no change to use egress or occupancy
Valuation:
$70,000
Permit #:
S00218772-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The purpose of this project is to provide plumbing work to apartments #3 4 8 9 12a 15 21 in conjunction with job # m00936013-i1
Valuation:
$112,000
Permit #:
M00936013-S1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sprinkler systems alteration in conjunction with renovation of existing 9th floor office suite. existing standpipe system to remain. no change in use egress or occupancy
Valuation:
$10,800
Permit #:
M00863079-S2-EW-SP
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new gas service for commerical space new gas piping to existing appliances for commerical space. no change in use egress or occupancy
Valuation:
$50,000
Permit #:
B00738721-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of sprinkler system for entire building in conjunction with alter 1 application # b08003140. no change in use egress or occupancy
Valuation:
$63,800
Permit #:
B08055663-I1-PL
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing - alteration type 2 renovation to existing 2 family dwelling building. work to include new partitions new kitchens bathrooms new flooring new roofing replacement of joists and new heating units. also repair stoop and replace windows and cornice. building is being restored back to a 2 family dwelling to comply with ecb violation # 34747621j
Valuation:
$228,950
Permit #:
320560996-01-PL
Status:
issued
Fee:
$1,284
Permit Type:
N/A
Building Type:
N/A
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Wnw & Sons Plumbing & Htg Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Wnw & Sons Plumbing & Htg Inc License info
Verified License
| License # | 000986 |
| Status | Active |
| State | New York |
| Type | Fire Suppression Contractor B |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Wnw & Sons Plumbing & Htg Inc at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 002053 |
| Status | Active |
| State | New York |
| Type | Plumber |
- BuildZoom has not verified this license since March, 2024.
Verify this license's status for Wnw & Sons Plumbing & Htg Inc 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
| Status | Active |
| State | New York |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of March, 2013. Check the current license status of Wnw & Sons Plumbing & Htg Inc 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 # | 0000012 |
| Status | Active |
| State | New York |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Wnw & Sons Plumbing & Htg Inc 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 # | 34825 |
| Status | Active |
| State | New York |
- When BuildZoom last verified this license, it had an expiration date of May, 2014. Check the current license status of Wnw & Sons Plumbing & Htg 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 # | 000986 |
| Status | Inactive |
| State | New York |
| Type | Plumber |
- 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 Wnw & Sons Plumbing & Htg Inc 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 # | 2053 |
| Status | Inactive |
| Town | Town Of Hempstead |
| Type | Plumber |
- According to the Town of Hempstead Building Department, 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 Wnw & Sons Plumbing & Htg Inc at the Town of Hempstead Building Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 034825 |
| Status | Inactive |
| State | New York |
| Type | General Contractor Non 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 Wnw & Sons Plumbing & Htg Inc 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 # | 010194 |
| Status | Inactive |
| State | New York |
| Type | Electrician |
- 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 Wnw & Sons Plumbing & Htg Inc at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Charter Oak Fire |
Insured
| Workers Comp Provider | Norguard Insurance Comp |
1.7K
Permits
- Building permit records show that Wnw & Sons Plumbing & Htg Inc has worked on 1659 permitted projects.
Wnw & Sons Plumbing & Htg Inc Employees
CR
Clifford Ross
Owner
HS
Howard Schrier
Owner
JM
James V Mauceri
Owner
ML
M Llado
None
VJ
Vani, Joseph