Updated: Jun 16, 2026
Location and Projects
Address
23 HYATT AVE, Norwalk, CT, 06850
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Antonios Kiriazidis HVAC/Mechanical Contractor
Antonios Kiriazidis, 23 Hyatt Ave, Norwalk, CT (Employee: Nikos Kiriazidis) holds a Heating, Piping & Cooling Unlimited Contractor license and 2 other licenses according to the Connecticut license board.
Their BuildZoom score of 107 ranks in the top 6% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Antonios Kiriazidis, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Antonios Kiriazidis Contact Information
Phone Number: (203) 858-8832
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Address: 23 HYATT AVE, Norwalk, CT 06850
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Antonios Kiriazidis Norwalk
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Antonios Kiriazidis has a BuildZoom score of 107, which places them above 94% of 12,093 contractors in Connecticut.
Activity
|
17 projects
|
2025 |
|
26 projects
|
2024 |
|
25 projects
|
2023 |
Our building permit records indicate that Antonios Kiriazidis has worked on at least
68.0 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
|
22 projects
|
New Constructions |
|
12 projects
|
Home Additions |
|
35 projects
|
HVAC projects |
|
6 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Antonios Kiriazidis mostly works on
hvac project
and new construction
projects.
Pricing
|
2 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
6 projects
|
$100k-$250k |
|
3 projects
|
$250k-$500k |
|
18 projects
|
$500k-$1mil |
|
5 projects
|
$1mil+ |
The typical size of their permits is approximately $500,000. 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.
First floor: install 4 ton hydro unit and 4 ton air conditioning unit 14 seer 410a. second floor: master bedroom - install 2 ton hydro unit and 2 ton air conditioning unit 14 seer 410a. remaining second floor and above garage - install 3 ton hydro unit and 3 ton air conditioning unit 14 seer 410a. vent laundry bathrooms and kitchen hood
Valuation:
N/A
Permit #:
BLD-2025-01070
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
First floor: install bryant 95% variable speed gas furnace 80 000 btu and bryant 3-1/2 ton air conditioning unit 14 seer 410a. second floor master suite and top of garage: install bryant 95% variable speed gas furnace 50 000 btu and bryant 2-1/2 on air conditioning unit 14 seer 410a. remaining second floor: install bryant 95% variable speed gas furnace 50 000 btu and bryant 2-1/2 ton ... see more
Valuation:
N/A
Permit #:
BLD-2025-00598
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1st floor: install goodman 95% gas furnace 70 000 btu and goodman 3-1/2 ton 13 seer 410a air conditioning unit. 2nd floor: install goodman 95% as furnace 70 000 btu and goodman 3-1/2 ton 13 seer 410a air conditioning unit. vent bathrooms laundry and kitchen hood
Valuation:
N/A
Permit #:
BLD-2025-00464
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing garage 2 story addition for garage with suite above 1 story addition for mud room interior renovations
Valuation:
$300,000
Permit #:
BLD-2024-02785
Status:
issued
Fee:
$3,078
Permit Type:
N/A
Building Type:
N/A
1st floor: install 4-ton hydro unit and 4-ton air conditioning unit 14 seer 410a. 2nd floor master bedroom: install 2-ton hydro unit and 2-ton air conditioning unit 14 seer 410a. remaining 2nd floor and above garage: install 3-ton hydro unit and 3-ton air conditioning unit 14 seer 410a
Valuation:
N/A
Permit #:
BLD-2025-01315
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Two story single family dwelling with finished basement partial finished attic 5 bedrooms
Valuation:
$976,000
Permit #:
BLD-2024-02924
Status:
issued
Fee:
$10,014
Permit Type:
N/A
Building Type:
N/A
New single family home with 3 car garage 7 bedrooms 8 bathrooms finished attic and basement
Valuation:
$804,000
Permit #:
BLD-2024-02595
Status:
issued
Fee:
$8,249
Permit Type:
N/A
Building Type:
N/A
Two-story single family dwelling with finished basement and finished attic 5 bedrooms
Valuation:
$775,000
Permit #:
BLD-2024-01492
Status:
complete
Fee:
$7,952
Permit Type:
N/A
Building Type:
N/A
New two story single family dwelling with 5 bedrooms unfinished attic and unfinished basement. foundation only needs framing and rescheck
Valuation:
$700,000
Permit #:
BLD-2024-01195
Status:
complete
Fee:
$7,182
Permit Type:
N/A
Building Type:
N/A
Landlord work consists of converting the existing tenant space into 2 tenant spaces on 1st floor including demised walls and handicap bathroom. zoning permit required fro future tenants
Valuation:
$203,000
Permit #:
BLD-2023-00716
Status:
complete
Fee:
$3,301
Permit Type:
N/A
Building Type:
N/A
1st fl and basement- install: 1- rheem standard high efficiency gas furnace 60, 000 btu and 1- rheem standard 3 ton air conditioning unit 14 seer 410a. 2nd fl- install: 1- rheem standard high efficiency gas furnace 60, 000 btu and 1- rheem standard 3 ton air conditioning unit 14 seer 410a. vent bathrooms kitchen and laundry. no electrical or gas piping
Valuation:
$28,500
Permit #:
M-24-113
Status:
issued
Fee:
N/A
Permit Type:
HVAC
Building Type:
Single family
Raise existing single family residence to meet fema regulations/interior renovations/new addition over garage/rebuild roof area
Valuation:
$850,000
Permit #:
BLD-2021-01019
Status:
complete
Fee:
$8,721
Permit Type:
N/A
Building Type:
N/A
Landlord work - interior renovations to 2nd floor to convert 1821 sf storage to business use - yadoma llc **upgrade - per phone call w/anton (914) 519-7633. this will be business use/personal services - portion of second floor with interior renovations. rated partition wall non load bearing.**
Valuation:
$21,000
Permit #:
BLD-2024-00947
Status:
complete
Fee:
$341
Permit Type:
N/A
Building Type:
N/A
1st fl 3 ton hydro unit and 3 ton 14 seer. 2nd fl - 3 ton hydro unit and 3 ton 14 seer. garage - outdoor unit and seperate inside unit. - 1 heat pump and 1 wall mounted unit - 15k
Valuation:
$46,000
Permit #:
HVAC-2025-01423
Status:
complete
Fee:
$472
Permit Type:
N/A
Building Type:
N/A
Remove attic unit and outside unit and upgrade units install rheem 4 ton 410a 14 seer air conditioning unit and rheem high efficiency gas furnace 80 000 btu
Valuation:
N/A
Permit #:
BLD-2025-00442
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovations to first floor remove partitions and install 3 beams.**upgrade - renovations to entire house not substantial improvement**
Valuation:
$160,000
Permit #:
BLD-2025-00441
Status:
issued
Fee:
$1,642
Permit Type:
N/A
Building Type:
N/A
1st floor- install: 1- goodman 95% gas furnace 60 000 btu and 1- goodman 2 ton air conditioning unit 13 seer 410a. 2nd floor- install: 1- goodman 95% gas furnace 60 000 btu and 1- goodman 2 ton a air conditioning unit 13 seer 410a.no electrical or gas piping
Valuation:
$16,000
Permit #:
RM-23-47
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1st floor and basement: install rheem 95% gas furnace 80 000 btu and rheem 3-1/2 ton air conditioning unit 13 seer 410a. 2nd floor: install rheem 95% gas furnace 60 000 btu and rheem 3 ton air conditioning unit 13 seer 410a. vent kitchen bathrooms and laundry
Valuation:
N/A
Permit #:
BLD-2024-01495
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
First floor and basement: install rheem 95% variable speed gas furnace 80 000 btu and rheem 4 ton air conditioning unit 14 seer 410a. seond floor: install 95% variable speed gas furnace 80 000 btu and rheem 3-1/2 ton air conditioning unit 14 seer 410a. vent kitchen bathrooms and laundry
Valuation:
N/A
Permit #:
BLD-2024-01476
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 1st floor rheem 95% gas furnace 60 000 btu and rheem standard 3 ton 13 seer 410a air conditioning unit. install 2nd floor rheem 95% gas furnace 60 000 btu and rheem standard 3 ton 13 seer 410a air conditioning unit. vent kitchen bathroom and laundry
Valuation:
N/A
Permit #:
BLD-2023-02593
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Antonios Kiriazidis License info
Verified License
| License # | HTG.0395863-S1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Unlimited Contractor |
| Date Issued | 05-20-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Antonios Kiriazidis 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.0282281-P1 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Unlimited Contractor |
| Date Issued | 11-03-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Antonios Kiriazidis at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HTG.0388584-D1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Antonios Kiriazidis at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
244
Permits
- Building permit records show that Antonios Kiriazidis has worked on 244 permitted projects.
Antonios Kiriazidis Employees
AK
Antonios Kiriazidis
NK
Nikos Kiriazidis