Updated: Jul 20, 2026
Location and Projects
Address
112 PENFIELD HILL RD, Portland, CT, 06480
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John Goncalves Construction
Serving property owners in Portland, CT, John Goncalves brings 6 years of experience in construction and remodeling projects within the local area. His portfolio includes work such as residential renovations and improvements, with a focus on delivering reliable building solutions for homeowners. John Goncalves works directly with clients throughout the project, from initial planning to final touches, and is familiar with the building requirements unique to Portland and its surrounding neighborhoods. His track record includes successful permitted projects completed in compliance with Connecticut building codes. John Goncalves is experienced in managing a range of construction tasks for private homeowners and residential property managers in the region.
John Goncalves Services
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John Goncalves Contact Information
Address: 112 PENFIELD HILL RD, Portland, CT 06480
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John Goncalves Portland
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John Goncalves has a BuildZoom score of 100, which places them above 87% of 12,093 contractors in Connecticut.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
Our building permit records indicate that John Goncalves has worked on at least
6.0 projects over the past 2 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.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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.
Solar installation of 12 kw dc system with 30 solar panels and microinverters. (no ess battery)
Valuation:
$21,133
Permit #:
SOLE-25-16
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
22 evpv420hk2 panels with micro inverters 9.24 kw dc no structural upgrades
Valuation:
$26,000
Permit #:
BLD-2025-00257
Status:
complete
Fee:
$267
Permit Type:
N/A
Building Type:
N/A
Install (31) 410w photovoltaic panels (12.71 kw total) with micro-inverters. no structural upgrades required
Valuation:
$44,000
Permit #:
BLD-2024-01899
Status:
complete
Fee:
$451
Permit Type:
N/A
Building Type:
N/A
Install residential roof mounted solar photovoltaic system
Valuation:
$56,328
Permit #:
RES-SOLAR-24-000058
Status:
complete
Fee:
$2,279
Permit Type:
N/A
Building Type:
N/A
Wire solar panels
Valuation:
N/A
Permit #:
BLD-2025-00258
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install residential roof mounted solar photovoltaic system
Valuation:
$36,684
Permit #:
E-24-132
Status:
complete
Fee:
N/A
Permit Type:
Roof mount solar:...
Building Type:
N/A
Install 9 outlets install 4 light fixtures install 2 outdoor fixtures and circuit store front location
Valuation:
$3,500
Permit #:
MISC-ELC-22-000251
Status:
complete
Fee:
$191
Permit Type:
Alteration
Building Type:
Commercial
Replace existing medicine cabinets with new
Valuation:
$20,947
Permit #:
E-21-1458
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Accessory structure
Wire solar panels
Valuation:
N/A
Permit #:
BLD-2024-01900
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install roof mounted 292.5 kw dc solar system per plans and specifications of spotts/stevens mccoy dated 12/20/2018
Valuation:
$412,000
Permit #:
E-20-276
Status:
complete
Fee:
$7,436
Permit Type:
Electrical - comm...
Building Type:
Commercial
Replace trash compactor with new and install new circuit for the compactor
Valuation:
$1,500
Permit #:
TE-20-628
Status:
filed
Fee:
$76
Permit Type:
Electrical
Building Type:
Apartments
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John Goncalves License info
Verified License
| License # | ELC.0211223-E1 |
| Status | Active |
| State | Connecticut |
| Type | Electrical Unlimited Contractor |
| Date Issued | 10-01-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for John Goncalves at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 23343 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John Goncalves at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
8
Permits
- Building permit records show that John Goncalves has worked on 8 permitted projects.
John Goncalves Employees
JG
John Goncalves