Updated: Nov 20, 2025
Location
Address
63 Jerusalem Avenue, Hempstead, NY, 11550
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Harder Services Construction
Harder Services Inc, 63 Jerusalem Ave, Hempstead, NY (Owned by: Frank Harder) holds a Home Improvement Contractors license and 5 other licenses according to the Nassau County license board.
Their BuildZoom score of 81 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 Harder Services Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Harder Services Inc Contact Information
Phone Number: (516) 481-8800
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Address: 63 Jerusalem Avenue, Hempstead, NY 11550
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Verified License
BuildZoom confirmed this contractor's license
Harder Services Inc License info
Verified License
| License # | 178921 |
| 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 Harder Services Inc at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 178921 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom has not verified this license since July, 2024.
Verify this license's status for Harder Services 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 # | H2901300000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of April, 2023. Check the current license status of Harder Services Inc 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 # | 47559 |
| Status | Active |
| County | Suffolk County |
| Type | H H4 - Landscaping |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Harder Services 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 # | H29013000 |
| 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 Harder Services Inc 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 # | H29013000 |
| 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 Harder Services Inc at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
81
BuildZoom Score
Harder Services Inc Employees
FH
Frank Harder
Owner
FI
Frank K Harder Iii
President
HJ
Harder K Frank Jr
Deceased
HH
Helen T Harder
Deceased
TD
Thomas P Doubleday
Removed
WH
William J Harder
Vice Pres