Updated: Nov 20, 2025
Location
Address
81 2nd Avenue, Massapequa Park, NY, 11762
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Harmony Landscape Design
Harmony Landscape Design, 81 2nd Ave, Massapequa Park, NY (Employees: Frank J Stainkamp and Thomas J Stainkamp) holds a Home Improvement Contractors license and 5 other licenses according to the Nassau County license board.
Their BuildZoom score of 93 ranks in the top 27% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Harmony Landscape Design, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Harmony Landscape Design Services
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Harmony Landscape Design Contact Information
Phone Number: (516) 541-2658
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Address: 81 2nd Avenue, Massapequa Park, NY 11762
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Verified License
BuildZoom confirmed this contractor's license
Harmony Landscape Design License info
Verified License
| License # | H2054390000 |
| 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 Harmony Landscape Design 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 # | H2054390000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Harmony Landscape Design 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 # | H2054390000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of March, 2025. Check the current license status of Harmony Landscape Design 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 # | H2054390000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of March, 2023. Check the current license status of Harmony Landscape Design with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H2054390000 |
| 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 Harmony Landscape Design 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 # | H20543900 |
| 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 Harmony Landscape Design at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Harmony Landscape Design Employees
FS
Frank J Stainkamp
Secy
TS
Thomas J Stainkamp
Pres