Updated: Jun 20, 2026
Location and Projects
Address
25 VAN ZANT ST STE 1A-1, Norwalk, CT, 06850
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Marasco James S1 HVAC/Mechanical Contractor
Marasco James S1, 25 Van Zant St, Norwalk, CT (Employee: James Marasco) holds a Heating, Piping & Cooling Unlimited Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 104 ranks in the top 9% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Marasco James S1, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Marasco James S1 Contact Information
Phone Number: (203) 667-0291
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Address: 25 VAN ZANT ST STE 1A-1, Norwalk, CT 06850
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Marasco James S1 Norwalk
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Marasco James S1 has a BuildZoom score of 104, which places them above 91% of 12,093 contractors in Connecticut.
Activity
|
5 projects
|
2025 |
|
16 projects
|
2024 |
|
20 projects
|
2023 |
Our building permit records indicate that Marasco James S1 has worked on at least
41.0 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
|
15 projects
|
New Constructions |
|
3 projects
|
Home Additions |
|
24 projects
|
HVAC projects |
|
8 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Marasco James S1 mostly works on
hvac project
and new construction
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
13 projects
|
$1mil+ |
The typical size of their permits is approximately $359,500. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install (155) daikan vrv heat pump condensing units (374) daikan sky air ductless heads (374) daikan thermostat controllers (3) daikan roof top package units with factory roof curbs (28) greenheck exhaust fans. furnish only (340) hunter presto 52ā ceiling fans with speed controllers (16) indeeco electric heaters. furnish and install all refrigerant pvc and condensate piping (tie into ... see more
Valuation:
$1,350,000
Permit #:
MISC-MEC-24-000131
Status:
issued
Fee:
$40,871
Permit Type:
New construction
Building Type:
Commercial
Furnish and install (3) daikin energy recovery air handling units furnish and install (134) 2 ton daikin vrv split heat pump systems.furnish and install (134) 1.5 ton daikin ductless wall mounted heads.furnish and install (134) 5 ton daikin ductless wall mounted heads.furnish and install (134) with stipulation to itemes to address programmable thermostats. (apartments) furnish and ins... see more
Valuation:
$1,890,000
Permit #:
MISC-MEC-23-000229
Status:
issued
Fee:
$57,211
Permit Type:
New construction
Building Type:
Commercial
Furnish and install: (2) trane roof top units (5) mitsubishi split heat pump units (1) make up air system (6) trane vav boxes (1) trane natural gas furnace (1) trane 5 ton split air conditioning system local temperature control system (1) condensate pump. furnish and install as shown: vibration isolation; all refrigerant pvc and condensate piping; all supply return exhaust and make ai... see more
Valuation:
$369,000
Permit #:
MISC-MEC-22-171837
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnish and install (1) daikin energy recovery air handling unit.furnish and install (33) daikin 2 ton heat pump condensers.furnish and install (33) daikin 2 ton ductless heads.furnish and install (8) daikin 3.5 ton heat pump condensers.furnish and install (8) daikin 3.5 ton heat pump condensers furnish and install (41) programmable thermostats furnish and install all refrigerant and ... see more
Valuation:
$1,050,000
Permit #:
MISC-MEC-23-000228
Status:
issued
Fee:
$31,793
Permit Type:
New construction
Building Type:
Commercial
Furnish and install 5 heating zone pumping system 3-ton air handling unit with external hot water coil 3-ton 14 seer condenser with pad 2-ton air handling unit with external hot water coil 2-ton 14 seer condenser wth pad two 2.5-ton air handling unit with external hot water coil two 2.5 14 seer condenser with pad april aire steam humidifier
Valuation:
N/A
Permit #:
BLD-2025-01231
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Two story single family dwelling on existing foundation with additions
Valuation:
$1,800,000
Permit #:
BLD-2025-00055
Status:
issued
Fee:
$18,468
Permit Type:
N/A
Building Type:
N/A
New single family house 2.5 stories. no basement and partially finshed attic 6 bedrooms. **amend for full basement.**
Valuation:
$1,411,000
Permit #:
BLD-2024-01401
Status:
issued
Fee:
$14,477
Permit Type:
N/A
Building Type:
N/A
New 2 1/2 story single family house with partially finished attic and basement. garage. 6 bedrooms. 5 full baths. 2 half baths
Valuation:
$1,268,000
Permit #:
BLD-2023-01249
Status:
issued
Fee:
$13,010
Permit Type:
N/A
Building Type:
N/A
Construct 4 story 68-unit multi family residential building with parking garage below under special inspections
Valuation:
$19,760,000
Permit #:
BLD-2024-01142
Status:
issued
Fee:
$321,298
Permit Type:
N/A
Building Type:
N/A
New single family house 2 stories with walkout basement. no attic flat roof - 4 bedrooms. with retaining walls
Valuation:
$1,245,000
Permit #:
BLD-2023-02847
Status:
issued
Fee:
$12,774
Permit Type:
N/A
Building Type:
N/A
Furnish and install new geothermal hvac system including bosch packaged water cooled geothermal 4-ton system bosch packaged water cooled geothermal 3-ton system 2 bosch geothermal water cooled 3 ton condensers 2 april aire 800 steam hunidifiers 2 bosch air handlers and all ductwork
Valuation:
N/A
Permit #:
BLD-2021-04502
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnish and install 95% efficiency gas furnaces (propane gas) 100 000 btu - 5 ton 14 seer condenser with pad (6) zoned ductwork system with r-6 foil insulation (1) energy recovery unit (1) april aire 400 humidifier venting of kitchen hood system bathroom exhaust fans. dryer box and vent for laundry
Valuation:
N/A
Permit #:
BLD-2022-02459
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new 2 1/2 story single family house with partially finished attic and basement. garage. 5 bedrooms 4 full baths - 2 half baths
Valuation:
$948,000
Permit #:
BLD-2023-01145
Status:
complete
Fee:
$9,726
Permit Type:
N/A
Building Type:
N/A
Furnish & install condensing boilers indirect water heater heating zone pumping systems evaporator & heating coils heat pump inverters ductwork venting & exhaust fans refrigerant & condensing piping thermostates air cleaners
Valuation:
N/A
Permit #:
BLD-2021-04375
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnish and install (1) carrier 95% efficiency 60k btu gas furnace. furnish and install(!) carrier 3 ton 14 seer split air conditioning system. furnish and install (1) lg heat pump 4 ton ducted split air conditioning system furnish and install (l) lg heat pump 2 ton ductless head split air conditioning system furnish and install bathroom exhaust fan only. furnish and install all suppl... see more
Valuation:
$34,000
Permit #:
MISC-MEC-23-000041
Status:
closed - insufficient info
Fee:
$1,099
Permit Type:
New construction
Building Type:
Commercial
Furnish and install (i) carrier 95% efficiency 120k btu gas furnace. furnish and install (1) carrier 5 ton 15 seer split air conditioning system. furnish and install (2) electric heaters furnish and install all supply return duct work systems as shown. furnish and install all volume dampers. furnish and install diffusers registers and grills as shown. furnish and install refrigerant p... see more
Valuation:
$32,000
Permit #:
MISC-MEC-23-000040
Status:
complete
Fee:
$1,038
Permit Type:
New construction
Building Type:
Commercial
Furnish and install(!) carrier 95% efficiency sok btu gas furnace. furnish and install ( i) carrier 4 ton 15 seer split air conditioning system. furnish and install all supply return duct work systems as shown. furnish and install all volume dampers. furnish and install diffusers registers and grills as shown. furnish and install refrigerant pvc intake and discharge for furnace and co... see more
Valuation:
$30,000
Permit #:
MISC-MEC-23-000039
Status:
complete
Fee:
$978
Permit Type:
New construction
Building Type:
Commercial
Furnish and install (2) carrier 95% efficiency 80k btu gas furnace. furnish and install (2) carrier 4 ton 15 seer split air conditioning system. furnish and install energy recovery coil. furnish and install electric duct heaters. furnish and install (2) greenheck inline and exhaust fans. furnish and install all supply return duct work systems as shown. furnish and install all volume d... see more
Valuation:
$28,000
Permit #:
MISC-MEC-23-000038
Status:
complete
Fee:
$917
Permit Type:
New construction
Building Type:
Commercial
See attached document submitted with application for installs
Valuation:
$475,000
Permit #:
BLD-2024-00853
Status:
issued
Fee:
$7,724
Permit Type:
N/A
Building Type:
N/A
Geothermal well installation for 3 systems at 10 tons. furnish & install bosch 100 000 btu condensing boiler with piping system 79 gallon indirect water heater 5 ton geothermal water source heat pump unit 2 & 3 ton geothermal water source heat pump condensers hydronic heating coils steam humidifier 2 & 3 ton geothermal air handling units and all zone ductwork systems kitchen hood syst... see more
Valuation:
N/A
Permit #:
BLD-2022-02651
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Marasco James S1 License info
Verified License
| License # | HTG.0399050-S1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Unlimited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Marasco James S1 at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in November, 2022 that this contractor does not need a license to be a contractor in Connecticut.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
61
Permits
- Building permit records show that Marasco James S1 has worked on 61 permitted projects.
Marasco James S1 Employees
JM
James Marasco