Mark R Onofreo
13 permits across 2 towns in the last 6 months
HVAC
We haven’t confirmed public business contact details for this contractor yet. You can still request a quote and we’ll pass it along once we reach them.
Activity by month
Permits filed each month. The first and last months are partial.
Where they’re working
Permits filed under this contractor by state and town, last 6 months.
Connecticut 13
Types of projects
By place, trade and period
Permit timeline
- Nov 11, 2026HVAC, Geothermal, Chimney liners & Oil Tank Permit WILTONWilton · HVAC · Sheet metal · 1 · #HVAC-26-300
- Oct 26, 2026Installation of replacement gas boiler.Westport · HVAC · Sheet metal · Permit Issued · #BLD-2026-02553
- Oct 22, 2026Installation of replacement gas furnaceWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-02531
- Oct 21, 2026HVAC, Geothermal, Chimney liners & Oil Tank Permit WILTONWilton · HVAC · Sheet metal · 1 · #HVAC-26-276
- Oct 8, 2026Installation of a single zone ductless system to condition the sun porchWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-02395
- Sep 18, 2026Removal of oil boiler and oil tank for the installation of a new propane combi-boiler to include all new gas pipingWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-02168
- Aug 11, 2026Replacing convention central ac system with new air handler heat pump systemWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-01851
- Aug 10, 2026Installation of replacement central ac system (fan coil/condenser)Westport · HVAC · Sheet metal · Permit Issued · #BLD-2026-01826
- Jul 20, 2026Installation of a replacement central ac system (fan coil/condenser).Westport · HVAC · Sheet metal · Closed · #BLD-2026-01654
- Jul 15, 2026Installation of replacement hydro-air air handler/condenser a/c systemWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-01608
- Jun 19, 2026Installation of (2) replacement hydro-air systems (air handler/heat pump)Westport · HVAC · Sheet metal · Permit Issued · #BLD-2026-01417
- Jun 17, 2026Installation of one three zone ductless system to condition bedrooms and one single zone ductless system to condition maWestport · HVAC · Sheet metal · Permit Issued · #BLD-2026-01386
Permit counts reflect permits filed in public town records naming this contractor as applicant. A permit shows permitted activity, not necessarily completed work, quality of work, or a final inspection.
License
We haven’t verified a state license for this name yet. We only show license details when we can match the record to this contractor with confidence. You can check directly at the Connecticut eLicense (Department of Consumer Protection) license lookup.
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Sources
- Westport Accela Citizen Access · retrieved Nov 14, 2026
- Wilton OpenGov portal · retrieved Nov 14, 2026
Not verified: contact info, business address, insurance, reviews. Page built Nov 14, 2026.