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Local provider profile

Mark R Onofreo

Documented work across Connecticut based on attributed municipal records.

Jobs on record104Recorded in our system
Reported work volume$1.7MDocumented jobs
Average project$16.8KWhere values are reported
First observed2021Available dataset
Categories3Observed work types
Used for work inNorwalk53 jobsTrumbull42 jobsGreenwich5 jobsWilton4 jobs

Enriched provider details

Provider information

Supplemental data supplied by FullContact and stored separately from public records.

FullContact query stored 2026.

Work history

Documented work by property

Individual records are grouped by address. Totals include only values reported in public records and may not equal final construction cost.

Aerial image of 9 23 2026, Trumbull, CT

9 23 2026

Trumbull, CT
2026Mechanical

Gas furnace and central air-conditioning system, including all new gas piping.

$18K
Aerial image of 9 24 2026 Trumbull, Trumbull, CT

9 24 2026 Trumbull

Trumbull, CT
2026Plumbing

Install 25ft Remove and standard 12-gauge lines to outside. Of 1 1/4" Black pipe to new gas furnace dispose of the old 275-gallon oil tank in basement. Install Granby steel 275-gallon oil tank in same location. Install new fill and vent Install new tank gauge, vent alarm, whistle, and safety valve.

$2K
Aerial image of 8 12 2026, Trumbull, CT

8 12 2026

Trumbull, CT
2026Mechanical

Handler/heat Remove existing Including all pump system to include all new ductwork siding and replace with new CertainTeed MainStreet vintl siding. Required trim, accessories, flashing, and weather-resistant barrier as.

$25K
Aerial image of 8 11 2026 Trumbull, Trumbull, CT

8 11 2026 Trumbull

Trumbull, CT
2026Mechanical

Installation from car hitting building. Fix wood new glass, fix damage stone and wood, of a replacement central AC system (evap coil/condenser).

$8K
Aerial image of 8 25 2026, Trumbull, CT

8 25 2026

Trumbull, CT
2026Mechanical

Installation Direct replacement of replacement Geothermal Heat Pump of Oil Fired Boiler with PurePro PROAOT-4E Basic 2 zone 168k.

$22K
Aerial image of 7 20 2026, Trumbull, CT

7 20 2026

Trumbull, CT
2026Mechanical

Installation Tear off existing rot and replace of a replacement central AC system (fan coil/condenser) roof down to wood substrate. Insepct existing wood for damage or as needed. Install ice and water shield as per CT building code. Install.

$11K
Aerial image of 7 30 2026, Trumbull, CT

7 30 2026

Trumbull, CT
2026Mechanical

Installation Contractor siding in a Board of a replacement central AC system (air handler/condenser) shall furnish and install 12 inch exposure James Hardie fiber cement and Batten style, utilizing Smooth siding panels and battens in the.

$11K
Aerial image of 6 26 2026, Trumbull, CT

6 26 2026

Trumbull, CT
2026Mechanical

Installation of a replacement central AC system (evaporator coil/condenser).

$8K
Aerial image of 5 5 2026 Trumbull, Trumbull, CT

5 5 2026 Trumbull

Trumbull, CT
2026Mechanical

Installation of a new 4-zone ductless system.

$28K
Aerial image of 5 12 2026, Trumbull, CT

5 12 2026

Trumbull, CT
2026Mechanical

Include all new ductwork.

$26K
Aerial image of 5 15 2026, Trumbull, CT

5 15 2026

Trumbull, CT
2026Mechanical

Handler/heat pump system.

$14K
Aerial image of 28 Calvin Rd, Wilton, CT

28 Calvin Rd

Wilton, CT
2026Mechanical

HVAC, Geothermal, Chimney liners & Oil Tank Permit WILTON

$24.5K
Aerial image of 4 10 2026 Rd, Trumbull, CT

4 10 2026 Rd

Trumbull, CT
2026Plumbing

Replacement relocate and office renovation, of oil tank and oil water heater add switches, lights, and receptacles utilizing existing circuits. For converting 2 large offices into 5 smaller offices.(building permit.

$10K
Aerial image of 4 8 2026, Trumbull, CT

4 8 2026

Trumbull, CT
2026Mechanical

Installation Replacing and one 2.5-ton of replacement oil boiler the air handler and condenser. Installing one 2.5-ton Carrier air handler Carrier condenser. All necessary ductwork modifications, line set.

$14K
Aerial image of 10 Four Winds Dr, Wilton, CT
2026Mechanical

HVAC, Geothermal, Chimney liners & Oil Tank Permit WILTON

$11K
Aerial image of 3 24 2026 Trumbull, Trumbull, CT

3 24 2026 Trumbull

Trumbull, CT
2026Mechanical

Installation of a replacement oil boiler.

$16K
Aerial image of 3 30 2026, Trumbull, CT

3 30 2026

Trumbull, CT
2026Mechanical

One additional single-zone ductless unit to condition the living room area.

$27K
Aerial image of 153 Spoonwood Rd, Wilton, CT
2026Mechanical

HVAC, Geothermal, Chimney liners & Oil Tank Permit WILTON

$6K
Aerial image of 12 Cove Ridge Ln, Greenwich, CT

12 Cove Ridge Ln

Greenwich, CT
2026Mechanical

HVAC Work

$19K
Aerial image of 1 7 2026, Trumbull, CT

1 7 2026

Trumbull, CT
2026Mechanical

Installation of a replacement oil boiler.

$12K
Aerial image of 1 23 2026, Trumbull, CT

1 23 2026

Trumbull, CT
2026Mechanical

Remove central bathroom-new outletskitchen- AC system for the installation of 2 air handler/heat pump systems electrical 2 lights and update existant lights, swithes and other new electrical, 5 outlets and update existant lights, switches and.

$33K
Aerial image of 23 Hanford La, Wilton, CT

23 Hanford La

Wilton, CT
2025Mechanical

HVAC, Geothermal, Chimney liners & Oil Tanks

$6K
Aerial image of 117 Strawberry Hill Ave, Norwalk, CT
2025Mechanical

Installation of an attic air-handler system for the second floor and a two-zone ductless system for the first floor, with one outdoor heat pump.

$33K
Aerial image of 48 June Ave, Norwalk, CT

48 June Ave

Norwalk, CT
2025Mechanical

Install 4-zone ductless system.

$25K
Aerial image of 18 Boulder Rd, Norwalk, CT

18 Boulder Rd

Norwalk, CT
2025Mechanical

Installation of 2 single zone ductless system.

$16K
Aerial image of 12 Ledgewood Dr, Norwalk, CT

12 Ledgewood Dr

Norwalk, CT
2025Mechanical

Installation of (1) air handler/heat pump and single-zone ductless system, and (1) additional single-zone ductless system.

$28K
Aerial image of 4 1 2025, Trumbull, CT

4 1 2025

Trumbull, CT
2025Mechanical

Install a new Replace existing 2 zone ductless system on first floor of home boiler in basement with Weil McLain WTGO-5 oil fired boiler in same.

$13.5K
Aerial image of 148 E Ave, Norwalk, CT

148 E Ave

Norwalk, CT
2025Mech Alt Comm

Replacement water sourced geothermal packaged system no outdoor unit.

$14K
Aerial image of 5 Live Oak Rd, Norwalk, CT

5 Live Oak Rd

Norwalk, CT2 jobs on record
2025Mechanical

Installation of a replacement single-zone ductless system.

$8.5K
View all 2 jobs
  • 2025Mechanical

    Installation of a replacement single-zone ductless system.

    $8.5K
  • 2022Mechanical

    Installation of a central AC system.

    $15K
Aerial image of 3 25 2025 Ct, Trumbull, CT

3 25 2025 Ct

Trumbull, CT
2025Mechanical

Replace central Remove and and footprint AC system (air handler/condenser) replace the existing air conditioning equipment in the exact same location as original with new Daikin brand DC4SEA3610 condenser and matching.

$10K
Aerial image of 2 11 2025, Trumbull, CT

2 11 2025

Trumbull, CT
2025Mechanical

Installation of a replacement gas furnace and central AC system (evaporator coil/condenser).

$10K
Aerial image of 30 Perna Ln, Greenwich, CT

30 Perna Ln

Greenwich, CT
2024Mechanical

HVAC

$19.7K
Aerial image of 33 Ledgebrook Dr, Norwalk, CT

33 Ledgebrook Dr

Norwalk, CT
2024Mechanical

Replacement RT heat pump/air handler system.

$13K
Aerial image of 8 Esquire Rd, Norwalk, CT

8 Esquire Rd

Norwalk, CT
2024Mechanical

Installation of an air handler/heat pump system, including all new ductwork.

$25K
Aerial image of 12 19 2024 Trumbull, Trumbull, CT
2024Mechanical

Installation of a replacement single-zone ductless system in the family room.

$7.6K
Aerial image of 11 8 2024 Trumbull, Trumbull, CT

11 8 2024 Trumbull

Trumbull, CT
2024Mechanical

Installation of a two-zone ductless system.

$10K
Aerial image of 21 Soundview Ave, Norwalk, CT

21 Soundview Ave

Norwalk, CT
2024Mechanical

Installation of two-zone ductless systems and new central AC systems, including all ductwork.

$22.5K
Aerial image of 8 13 2024, Trumbull, CT

8 13 2024

Trumbull, CT
2024Mechanical

Installation of a replacement central AC system (fan coil/condenser).

$10K
Aerial image of 393 Flax Hill Rd, Norwalk, CT

393 Flax Hill Rd

Norwalk, CT
2024Mechanical

Installation of an air handler/heat pump and a single-zone ductless system.

$31K
Aerial image of 7 23 2024 Trumbull, Trumbull, CT

7 23 2024 Trumbull

Trumbull, CT
2024Mechanical

Installation of Remove bay window drain line-water of stove where air handler/heat pump and single zone ductless system and add slider door, move dummy wall to right against slider trim, move line- heat line inside dummy wall into new dummy wall, add cabinet to right wall was, add hood vent and pot filler above stove, and add cabinets to bar.

$21K
Aerial image of 7 8 2024 Ct, Trumbull, CT

7 8 2024 Ct

Trumbull, CT
2024Mechanical

Installation of a four-zone ductless system.

$19K
Aerial image of Ct 06611 7 8 2024, Trumbull, CT

Ct 06611 7 8 2024

Trumbull, CT
2024Mechanical

Installation of a replacement central AC system.

$9K
Aerial image of 7 22 2024, Trumbull, CT

7 22 2024

Trumbull, CT
2024Mechanical

Installation of a replacement central AC system for the first floor.

$9K
Aerial image of 6 17 2024 Ct, Trumbull, CT

6 17 2024 Ct

Trumbull, CT
2024Mechanical

Installation of a replacement central AC system.

$14K
Aerial image of 6 20 2024 Trumbull, Trumbull, CT

6 20 2024 Trumbull

Trumbull, CT
2024Mechanical

Installation of a replacement central AC system (air handler/condenser).

$9.2K
Aerial image of 5 2 2024 Trumbull, Trumbull, CT

5 2 2024 Trumbull

Trumbull, CT
2024Mechanical

Replacement oil boiler.

$9K
Aerial image of 6611 5 13 2024 No St, Trumbull, CT
2024Mechanical

Installation of REMOVE OLD 3 zone ductless system to replace existing electric baseboard BOILER AND INDIRECT. Replace it with system 2000 with new indirect and.

$17K
Aerial image of 7 Merrill Rd, Norwalk, CT

7 Merrill Rd

Norwalk, CT
2024Mechanical

Installation of 2 oil furnaces and 2 AC systems.

$23.5K
Aerial image of 5 Wakerobin Rd, Norwalk, CT

5 Wakerobin Rd

Norwalk, CT
2024Mechanical

Removal of the existing oil heating system for the installation of an air handler/heat pump system.

$17.5K
Aerial image of 4 12 2024 Trumbull, Trumbull, CT

4 12 2024 Trumbull

Trumbull, CT
2024Mechanical

Installation of Remove old oil new air handler/heat pump to include all attic ductwork tank in garage. Install a new Roth double wall 275 gallon oil tank in the rear of.

$29.5K
Aerial image of 4 23 2024 Ct, Trumbull, CT

4 23 2024 Ct

Trumbull, CT
2024Mechanical

Install circuit breakers, air handler/heat pump and single-zone ductless system feeds, and disconnecting means for air-conditioning equipment.

$26.6K
Aerial image of 23 Powder Horn Rd, Norwalk, CT
2024Mechanical

Replacement central AC system.

$11.4K
Aerial image of 54 Ferris Ave, Norwalk, CT

54 Ferris Ave

Norwalk, CT
2024Mechanical

Replacement gas furnace.

$7K
Aerial image of 3 19 2024, Trumbull, CT

3 19 2024

Trumbull, CT
2024Mechanical

Installation of replacement gas furnace.

$5.6K
Aerial image of 178 Rowayton Woods Dr, Norwalk, CT
2024Mechanical

Installation of a replacement gas furnace.

$6.6K
Aerial image of 289 E Ave, Norwalk, CT

289 E Ave

Norwalk, CT
2024Mechanical

Installation of an air handler/heat pump and a single-zone ductless system, including all affiliated ductwork, 3 ton.

$80K
Aerial image of 11 Norden Pl, Norwalk, CT

11 Norden Pl

Norwalk, CT
2024Mechanical

Installation of replacement gas boiler.

$8.8K
Aerial image of 2 21 2024 Trumbull, Trumbull, CT

2 21 2024 Trumbull

Trumbull, CT
2024Plumbing

Gas piping for oil-to-gas conversion.

$800
Aerial image of 21 Saxony Dr, Trumbull, CT

21 Saxony Dr

Trumbull, CT
2024Mechanical

10100 Installation Wire of replacement gas boiler new bathroom, heat/AC system, change outlets kitchen area.add 2 island.

$6.6K
Aerial image of 11 Kingsbury Rd, Norwalk, CT

11 Kingsbury Rd

Norwalk, CT
2023Mechanical

Installation of a heat pump system.

$17.5K
Aerial image of 18 Range Rd, Norwalk, CT

18 Range Rd

Norwalk, CT
2023Mechanical

Installation of an air handler/geothermal heat pump system.

$36.2K
Aerial image of 71 Perry Ave, Norwalk, CT

71 Perry Ave

Norwalk, CT2 jobs on record
2023Mechanical

Replace the gas furnace and central air conditioning with a heat pump/gas furnace hydro-air system.

$14K
View all 2 jobs
  • 2023Mechanical

    Replace the gas furnace and central air conditioning with a heat pump/gas furnace hydro-air system.

    $14K
  • 2022Mechanical

    Installation of a ductless 1 ton.

    $5K
Aerial image of 6611, Trumbull, CT

6611

Trumbull, CT
2023Mechanical

10900 Installation of replacement gas boiler WASTE, VENT AND WATER LIES FOR 1 BASIN 1 TOILET AND 1 SHOWER.

Aerial image of 6611 2715 Huntington Rd, Trumbull, CT
2023Mechanical

6500: Installation of a single-zone ductless system.

Aerial image of Trumbull, Trumbull, CT

Trumbull

Trumbull, CT3 jobs on record
2023Mechanical

14000 Installation of replacement oil boiler.

$6.6K
View all 3 jobs
  • 2023Mechanical

    14000 Installation of replacement oil boiler.

    $6.6K
  • 2023Mechanical

    13950 Installation Installation of replacement gas furnace and hot water heater of 2 airhanlders with hydro heating with 2 outdoor condensors.

    $6.6K
  • 2023Mechanical

    13426 Oil to Natural gas Boiler Conversion.

    $6.6K
Aerial image of 64 Grumman Ave, Norwalk, CT

64 Grumman Ave

Norwalk, CT2 jobs on record
2023Mechanical

Installation of a single-zone ductless system.

$6K
View all 2 jobs
  • 2023Mechanical

    Installation of a single-zone ductless system.

    $6K
  • 2023Mechanical

    Installation of (1) two-stage packaged geothermal system, including all ductwork.

    $44.9K
Aerial image of 34 Harbor View Ave, Norwalk, CT
2023Mechanical

Installation of an air handler/heat pump system and a 6-zone ductless system, Mitsubishi Mxz-sm, 5 Ton.

$61.4K
Aerial image of 18 Hills Ln, Norwalk, CT

18 Hills Ln

Norwalk, CT
2023Mechanical

Installation of a replacement central AC system, 2.5 ton AC.

$6.5K
Aerial image of 50 Raymond Ter, Norwalk, CT

50 Raymond Ter

Norwalk, CT
2023Mechanical

Installation of an air handler/heat pump and single-zone ductless system, 3.5 ton.

$20.3K
Aerial image of 23 William St, Norwalk, CT

23 William St

Norwalk, CT
2023Mechanical

Installation of an air handler/heat pump and a two-zone ductless system, 3.5-ton system.

$26K
Aerial image of 105 Richards Ave, Norwalk, CT

105 Richards Ave

Norwalk, CT
2023Mechanical

Installation of a replacement gas furnace and central AC system.

$9.9K
Aerial image of 13 White Barns Ln, Norwalk, CT
2023Mechanical

Installation of 2 gas furnace and central air conditioning systems.

$40K
Aerial image of 109 Murray St, Norwalk, CT

109 Murray St

Norwalk, CT
2023Mechanical

Oil to propane system conversion, replacing furnace and AC and adding a zone.

$41.7K
Aerial image of 7 Clifford St, Norwalk, CT

7 Clifford St

Norwalk, CT
2022Mechanical

Installation of a heat pump and air handler with an electric heat strip; 3-ton heat pump.

$11.6K
Aerial image of 5 Hunt St, Norwalk, CT

5 Hunt St

Norwalk, CT
2022Mechanical

Installation of 2 replacement air handlers/heat pump systems for central air conditioning.

$15.9K
Aerial image of 29 Catherine St, Norwalk, CT

29 Catherine St

Norwalk, CT
2022Mechanical

Installation of a replacement central AC, 2 ton.

$5.1K
Aerial image of 260 Rowayton Ave, Norwalk, CT

260 Rowayton Ave

Norwalk, CT
2022Mechanical

Installation of a 4-zone ductless system.

$28K
Aerial image of 31 Cornwall Rd, Norwalk, CT

31 Cornwall Rd

Norwalk, CT
2022Mechanical

Replacement of air conditioning system, 2 ton.

$12.3K
Aerial image of 53 Ledgewood Dr, Norwalk, CT

53 Ledgewood Dr

Norwalk, CT
2022Mechanical

Installation of Mitsubishi MX2 ductless 3/5 ton.

$16.6K
Aerial image of 53 Toilsome Ave, Norwalk, CT

53 Toilsome Ave

Norwalk, CT
2022Mechanical

Installation of Mitsubishi multi-zone 3 ductless system, 0 2.5 ton.

$10K
Aerial image of 5 New St, Norwalk, CT

5 New St

Norwalk, CT
2022Mechanical

Installation of a Mitsubishi MX2 ductless 4-ton, multi-zone 4 system.

$20K
Aerial image of 49 Walter Ave, Norwalk, CT

49 Walter Ave

Norwalk, CT
2022Mechanical

Installation of a replacement gas furnace and central AC system.

$10K
Aerial image of 4 Jayne Wy, Norwalk, CT

4 Jayne Wy

Norwalk, CT
2022Mechanical

Installation of a heat pump, water heater, and 1-ton ductless system.

$20.9K
Aerial image of 45 Stuart Ave, Norwalk, CT

45 Stuart Ave

Norwalk, CT
2022Mech Alt Comm

Installation of a replacement central AC system.

$7.8K
Aerial image of 35 Woodlawn Ave, Norwalk, CT

35 Woodlawn Ave

Norwalk, CT
2022Mechanical

Installation of milti zone 3-ton ductless system.

$13.5K
Aerial image of 1 Island Dr, Norwalk, CT

1 Island Dr

Norwalk, CT
2022Mechanical

Installation of a replacement heat pump system.

$11K
Aerial image of 3 Nimitz Pl, Greenwich, CT

3 Nimitz Pl

Greenwich, CT
2022Mechanical

HVAC Work

Aerial image of 106 County St, Norwalk, CT

106 County St

Norwalk, CT
2022Mechanical

Replacement of 3-ton heat pump, including necessary duct modifications.

$9K
Aerial image of 27 Home Pl Unb, Greenwich, CT

27 Home Pl Unb

Greenwich, CT
2022Mechanical

HVAC Work

$7.1K
Aerial image of 15 Perry Ave, Norwalk, CT

15 Perry Ave

Norwalk, CT
2021Mechanical

Installation of ducted heat pump - 1/= 1/2-ton system, 1-ton system.

$15K
Aerial image of 4 Hill Ct, Norwalk, CT

4 Hill Ct

Norwalk, CT
2021Mechanical

Installation of replacement gas furnace.

$5.2K
Aerial image of 22 Douglas Dr, Norwalk, CT

22 Douglas Dr

Norwalk, CT
2021Mechanical

Installation of hydro heating coil, add 3 supply vents, split existing second floor trunk, replace panel and add zone valve to tie in mudroom to hot water baseboard zone, conversion to hydro air with existing equipment.

$15K
Aerial image of 55 Ledgewood Dr, Norwalk, CT

55 Ledgewood Dr

Norwalk, CT
2021Mechanical

Installation of multi zone ductless system, air handler, 2 walls mounts.

$18K
Aerial image of 30 N Way, Greenwich, CT

30 N Way

Greenwich, CT
2021Mechanical

HVAC