Updated: Jun 28, 2026
Location and Projects
Address
48 HARRIS ST, Berlin, CT, 06037
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James Oliveras HVAC/Mechanical Contractor
James Oliveras, 48 Harris St, Berlin, CT holds a Heating, Piping & Cooling Limited Contractor license according to the Connecticut license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring James Oliveras, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
James Oliveras Contact Information
Address: 48 HARRIS ST, Berlin, CT 06037
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Nti 95% high condensing with electric water heater. load cals provided. must meet 2016 state building code along with amendments
Valuation:
$7,500
Permit #:
M-18-130
Status:
complete
Fee:
$190
Permit Type:
HVAC
Building Type:
Residential improved
Remove and replace existing boiler per code. load calc's provided
Valuation:
$5,400
Permit #:
M-19-425
Status:
issued
Fee:
$125
Permit Type:
Oil burner/oil bo...
Building Type:
Residential improved
New boiler aptment #2
Valuation:
$4,800
Permit #:
M-20-51
Status:
issued
Fee:
$125
Permit Type:
Gas burner/gas bo...
Building Type:
Commercial apartm...
Replacing boiler with gold well mclain and burner wtgo3 with beckett burner load cals provided. suntemp baseboard existing at 580 btus must meet 2018 state building code along with amendments.
Valuation:
$4,900
Permit #:
M-18-440
Status:
issued
Fee:
$123
Permit Type:
Oil Burner/Oil Bo...
Building Type:
Residential Improved
Mechanical permit replace two boilers gas utica mae150 pro one electric water heater. load cals provided must meet 2016 state building code along with amendmnents
Valuation:
$13,000
Permit #:
P-18-223
Status:
complete
Fee:
$246
Permit Type:
plumbing/HVAC- ho...
Building Type:
Residential improved
Installaton ofnew oil fired boiler with ibc indirect water heater. load cals provided existing 71' of baseboard. must meet 2016 state building code along with amendments.
Valuation:
$4,300
Permit #:
M-17-450
Status:
complete
Fee:
$123
Permit Type:
Oil Burner/Oil Bo...
Building Type:
Residential Improved
Remove and replace swg power venter fire stop. must meet 2018 state building code along with amendments
Valuation:
$1,100
Permit #:
M-19-94
Status:
issued
Fee:
$42
Permit Type:
HVAC
Building Type:
Residential improved
Emergency replacement 275 oil tank replacement. must meet 2018 state building code along with amendments.
Valuation:
$1,800
Permit #:
M-18-430
Status:
complete
Fee:
$67
Permit Type:
Tanks
Building Type:
Residential Improved
Air test existing gas piping. must meet 2016 state building code along with amendments,
Valuation:
$140
Permit #:
M-18-31
Status:
issued
Fee:
$53
Permit Type:
Gas Pressure Test
Building Type:
Residential Improved
Installational of new gas boiler new gas line 95% ncb 240 navien combo. heat loss provided
Valuation:
$5,200
Permit #:
M-15-408
Status:
issued
Fee:
$96
Permit Type:
Gas burner/gas bo...
Building Type:
Residential improved
Air test, existing gas line. must meet 2012 irc, nfpa 54 along with amendments
Valuation:
$100
Permit #:
P-17-53
Status:
issued
Fee:
$25
Permit Type:
Plumbing
Building Type:
Residential Improved
Air test, existing gas line. must meet 2012 irc, nfpa54 along with amendments
Valuation:
$100
Permit #:
P-17-52
Status:
issued
Fee:
$25
Permit Type:
Plumbing
Building Type:
Residential Improved
Install new direct vent gas fired boiler with gas supply piping. pressure test and inspect gas pipe and equipment for safe operation as per code
Valuation:
$6,500
Permit #:
M-13-01393
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
Install new gas supply lines. pressure test and inspect for safe operation as per code
Valuation:
$150
Permit #:
M-14-02794
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
New oil fired high efficency furnace with liner installed, as per code. **12/29/10 - void permit - letter submitted by homeowner - contractor not doing work.**
Valuation:
$5,800
Permit #:
M-10-03882
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
2nd fl.** pressure test and inspect gas piping and equipment for safe operation as per code
Valuation:
$125
Permit #:
M-13-00709
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
New boiler
Valuation:
$7,000
Permit #:
H-160568
Status:
filed
Fee:
$108
Permit Type:
Boiler change
Building Type:
N/A
64-66 2nd fl. gas test** pressure test and inspect gas pipe and appliance for safe operation as per code
Valuation:
$100
Permit #:
M-11-00774
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
Gas piping installation for water heater and range
Valuation:
$450
Permit #:
M-12-03003
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
Install replacement utica boiler (same size & btu) and 40 gallon gas water heater to code
Valuation:
$3,500
Permit #:
M-10-00927
Status:
issued
Fee:
N/A
Permit Type:
Mechanical pmt un...
Building Type:
N/A
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James Oliveras Reviews
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Verified License
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James Oliveras License info
Verified License
| License # | HTG.0396341-S7 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Limited Contractor |
| Date Issued | 09-24-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for James Oliveras at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
24
Permits
- Building permit records show that James Oliveras has worked on 24 permitted projects.
James Oliveras Employees
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James Oliveras