Updated: Jul 14, 2026
Location and Projects
Address
226 PALMER HILL RD, Old Greenwich, CT, 06870
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RaLPh Longo Construction Plumber
RaLPh Longo Construction Corp, 226 Palmer Hill Rd, Old Greenwich, CT (Owned by: Ralph Robert 3 Rd Longo) holds a Mechanical Corporation license and 5 other licenses according to the Connecticut license board.
Their BuildZoom score of 95 ranks in the top 22% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring RaLPh Longo Construction Corp, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
RaLPh Longo Construction Corp Services
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RaLPh Longo Construction Corp Contact Information
Phone Number: (203) 637-3531
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Address: 226 PALMER HILL RD, Old Greenwich, CT 06870
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RaLPh Longo Construction Corp Old Greenwich
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
RaLPh Longo Construction Corp has a BuildZoom score of 95, which places them above 78% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that RaLPh Longo Construction Corp has worked on at least
2.0 projects over the past 2 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
|
1 project
|
$250k-$500k |
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 RaLPh Longo Construction Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Major interior renovations 2nd story addition for bedrooms bathrooms 2-story addition for garage with bedrooms and bathrooms above
Valuation:
$300,000
Permit #:
BLD-2024-01040
Status:
issued
Fee:
$3,078
Permit Type:
N/A
Building Type:
N/A
Tie in new addition to existing house waste vent etc. run new water supply for both kitchens. dwv system to tie in all new waste down drain pipes w 1/2 min.pitch. vents will be placed for all new fixtures and extended beyond roof. all plumbing fixtures for new addtion will have traps. tied into existing sewer lateral to street. 4 pvc out of house. each bathroom has own 3 stack. existi... see more
Valuation:
N/A
Permit #:
BLD-2024-01044
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish detached garage (less than 500 sf)
Valuation:
N/A
Permit #:
BLD-2024-00648
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Installing new drainage doghouse manhole in roadway
Valuation:
N/A
Permit #:
TRO-20-504
Status:
filed
Fee:
$250
Permit Type:
Street opening
Building Type:
N/A
Tie in new addition to existing house waste vent etc. run new water supply for both kitchens. dwv system to tie in all new waste down drain pipes w 1/2 min.pitch. vents will be placed for all new fixtures and extended beyond roof. all plumbing fixtures for new addtion will have traps. tied into existing sewer lateral to street. 4 pvc out of house. each bathroom has own 3 stack. existi... see more
Valuation:
N/A
Permit #:
BLD-2024-01044
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Crs# 18907179 - service upgrade from 100 amps to 200 amps
Valuation:
N/A
Permit #:
BLD-2024-01042
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install wiring for renovated home and new additions
Valuation:
N/A
Permit #:
BLD-2024-01041
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install propane fired furnace hw heater air conditioning condensors. propane gas lines in ref
Valuation:
N/A
Permit #:
BLD-2024-01043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Emergency sanitary/sewer repair
Valuation:
$250
Permit #:
RO-16-415
Status:
issued
Fee:
$250
Permit Type:
Street opening
Building Type:
N/A
Construct retaining wall
Valuation:
$52,000
Permit #:
B-2003-0130
Status:
complete
Fee:
$1,115
Permit Type:
329 structures ot...
Building Type:
N/A
Hook - up building sewer
Valuation:
N/A
Permit #:
P-2005-0144
Status:
issued
Fee:
$30
Permit Type:
Historical plumbi...
Building Type:
N/A
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RaLPh Longo Construction Corp Reviews
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Verified License
BuildZoom confirmed this contractor's license
RaLPh Longo Construction Corp License info
Verified License
| License # | MCO.0904608 |
| Status | Active |
| State | Connecticut |
| Type | Mechanical Corporation |
| Date Issued | 07-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for RaLPh Longo Construction Corp at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PLM.0289509-P7 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Limited Contractor |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for RaLPh Longo Construction Corp at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PLM.0281533-P7 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Limited Contractor |
| Date Issued | 11-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for RaLPh Longo Construction Corp at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0542359 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for RaLPh Longo Construction Corp at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F154109-2 |
| 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 RaLPh Longo Construction Corp at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F154109-1 |
| 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 RaLPh Longo Construction Corp at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
RaLPh Longo Construction Corp Employees
NL
Nicholas Longo
RL
Ralph Longo
RL
Ralph Robert 3 Rd Longo
Owner