Updated: Jul 14, 2026
Location and Projects
Address
429 DEN RD, Stamford, CT, 06901
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Optimum Building Construction
Optimum Building Corp, 429 Den Rd, Stamford, CT (Owned by: Christopher Scelfo) holds a Home Improvement Contractor license according to the Connecticut license board.
Their BuildZoom score of 94 ranks in the top 24% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Optimum Building Corp, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Optimum Building Corp Services
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Optimum Building Corp Contact Information
Phone Number: (203) 588-9838
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Address: 429 DEN RD, Stamford, CT 06901
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Optimum Building Corp Stamford
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Optimum Building Corp has a BuildZoom score of 94, which places them above 76% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Optimum Building Corp has worked on at least
1.0 project over the past year.
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
|
$100k-$250k |
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 Optimum Building Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial or multi-family hvac repair & replacement mechanical permit application
2025-01-07
Replacement hvac systems; baseboard heating hallway air conditioning apartment exhaust fans
Valuation:
$217,122
Permit #:
MC-009684-2024
Status:
complete
Fee:
$4,808
Permit Type:
N/A
Building Type:
N/A
Installation of furnaces split systems natural gas with air conditioning unit 1; 2 ton unit 2; 1.5 ton unit 3; 2 ton unit 4; 1.5 ton unit 5; 2.5 ton per the attached heat load hvac equipment by others attached are cuts on the chapion furnaces
Valuation:
$18,500
Permit #:
MISC-MEC-20-170700
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ductwork all hydronic work materials and equipment by others
Valuation:
$53,030
Permit #:
COM-NEW-21-153651
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ductwork all hydronic work materials and equipment by others
Valuation:
$53,030
Permit #:
MISC-MEC-20-170699
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 2 furnaces coil and condensers with new
Valuation:
N/A
Permit #:
43866
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 1-1/2 ton cooling 66, 000 btuh heating gas fired | heating high efficiency furnace (unit b)munis permit number: 20144311
Valuation:
$13,750
Permit #:
20144261-M000
Status:
complete
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 1-1/2 ton cooling 66, 000 btu heating gas fired | heating high efficiency furnace (unit c)munis permit number: 20144310
Valuation:
$13,750
Permit #:
20144260-M000
Status:
complete
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Install 2 ton cooling 66, 000 btuh heating gas fired | hight effeciency (unit a)munis permit number: 20144309
Valuation:
$13,750
Permit #:
20144259-M020
Status:
complete
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 1-1/2 ton cooling 66, 000 btu heating gas fired; heating high efficiency furnace (unit c)
Valuation:
$13,750
Permit #:
20144260
Status:
Active
Fee:
N/A
Permit Type:
Residential mecha...
Building Type:
Housing authority
Install 1-1/2 ton cooling 66, 000 btuh heating gas fired; heating high efficiency furnace (unit b)
Valuation:
$13,750
Permit #:
20144261
Status:
Active
Fee:
N/A
Permit Type:
Commercial mechan...
Building Type:
Housing authority
Swapping of 2 hydro- air systems to 2 96% furnaces
Valuation:
N/A
Permit #:
44806
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
20144261-m000
Valuation:
N/A
Permit #:
MISC-MEC-14-134197
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
20144260-m000
Valuation:
N/A
Permit #:
MISC-MEC-14-134196
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
20144259-m020
Valuation:
N/A
Permit #:
MISC-MEC-14-134195
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
20144257-m020
Valuation:
N/A
Permit #:
MISC-MEC-14-134192
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
20072326-e000
Valuation:
N/A
Permit #:
MISC-ELC-07-077342
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
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BZ Score
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Optimum Building Corp Reviews
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Verified License
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Optimum Building Corp License info
Verified License
| License # | HIC.0671615 |
| 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 Optimum Building Corp at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
10
Permits
- Building permit records show that Optimum Building Corp has worked on 10 permitted projects.
Optimum Building Corp Employees
CS
Christopher Scelfo
Owner