Updated: Jul 12, 2026
Location and Projects
Address
255 Williams St E, Glastonbury, CT, 06033
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Millstream Construction
Providing superior roofing services throughout Connecticut, Massachusettes, and New Hampshire
From BuildZoom: Millstream Construction, 255 Williams St E, Glastonbury, CT (Owned by: Christopher Gonsalves) holds a New Home Contractor license and 3 other licenses according to the Connecticut license board.
Their BuildZoom score of 116 ranks in the top 2% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Millstream Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Millstream Construction Services
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Millstream Construction Contact Information
Phone Number: (860) 748-3459
Address: 255 Williams St E, Glastonbury, CT 06033
Millstream Construction Glastonbury
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Millstream Construction has a BuildZoom score of 116, which places them above 98% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2026 |
|
17 projects
|
2025 |
|
25 projects
|
2024 |
|
22 projects
|
2023 |
Our building permit records indicate that Millstream Construction has worked on at least
65.0 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
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Millstream Construction mostly works on
kitchen remodel
projects.
Pricing
|
2 projects
|
< $5k |
|
54 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $12,000. 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.
Building Permits by Millstream Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Wiggins farm section. remove existing shingle roof down to decking on each building and replacing with 50 year asphalt shingle system. ice and water to be installed per ct code - 661 sq. we will be reroofing the entire condominium complex one building at a time. arial photo of complex attached your application for a building permit has been reviewed for compliance with the 2022 state ... see more
Valuation:
$445,000
Permit #:
B-24-1306
Status:
issued
Fee:
$8,571
Permit Type:
Roofing
Building Type:
N/A
Residential re-siding window & door r&r building permit application
2025-07-08
Remove old patio slider and prep for new installation. re insulate surround as needed. install composite kick plate in white. install one new provia endure 6512 2-lite patio door. glass is double strength tempered
Valuation:
$4,122
Permit #:
BR-013061-2025
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
• millstream to remove all windows and prep openings for new installation.• install all new provia endure windows in the color of white in white out to match design and style currently installed.• install interior contoured grids in the the color of white to match current design exactly.• all windows to be new construction install siding will be removed as needed and re installed.• in... see more
Valuation:
$31,000
Permit #:
B-24-163
Status:
issued
Fee:
N/A
Permit Type:
Windows
Building Type:
Single family
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water synthetic underlayment and seam tape on plywood to be installed per ct code - 18 squares
Valuation:
$15,976
Permit #:
25-380B
Status:
complete
Fee:
$235
Permit Type:
Roofing (resident...
Building Type:
N/A
Millstream to remove all roofing materials and skylights on rear lower section only millstream will install plywood over skylight openings millstream to install gaf roofing system leak barrier underlayment and all materials needed according to ct code - 4 sq
Valuation:
$5,975
Permit #:
24-710B
Status:
complete
Fee:
$119
Permit Type:
Bld- roofing
Building Type:
N/A
• millstream to remove front entry door and sidelights as well as kitchen entry door and prep openings for new installation of • 1 vantage series entry door • 1 vantage series entry door with full lite sidelights • millstream to install one new spectrum series storm door with hideaway screen no structural modifications will be done we are only changing out to the same size doors
Valuation:
$9,548
Permit #:
PRAD202403300
Status:
applied
Fee:
N/A
Permit Type:
Alteration
Building Type:
R-residential
•remove existing roofing and framing on front of garage •frame new dormer across the whole front of the garage •install new window at front of dormer •install new roofing and siding to dormer to match existing •insulate new dormer •install new drywall to dormer area
Valuation:
$14,500
Permit #:
PRAD202402136
Status:
applied
Fee:
N/A
Permit Type:
Addition
Building Type:
R-3-residential o...
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water synthetic underlayment and seam tape on plywood to be installed per ct code - 24 sq
Valuation:
$18,100
Permit #:
PRRF202502957
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
One family dwelli...
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water to be installed per ct code - 13 sq
Valuation:
$11,400
Permit #:
25-128B
Status:
expired
Fee:
$210
Permit Type:
Bld- roofing
Building Type:
N/A
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water to be installed per ct code - front half of roof to be luma solar shingles 17 sq
Valuation:
$105,000
Permit #:
24-172B
Status:
expired
Fee:
$1,914
Permit Type:
Roofing (resident...
Building Type:
N/A
Millstream to remove all siding and prep for new installation.• remove all exterior window trim rake boards fascia and soffit ceiling.• install new composite fascia and rake trim to entire home • install new plywood to soffit ceiling and cut in ventilation channel. - install the perforatedvinyl soffit ceiling • replace all window trim • install new vinyl siding with insulated corner p... see more
Valuation:
$18,400
Permit #:
B-23-1452
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water to be installed per ct code - 30 sq
Valuation:
$21,200
Permit #:
BR-011821-2024
Status:
expired
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Remove and replace one entry door with sidelights from front of home and prep area for new installation. remove and replace one door on right side of front of homeremove and replace one interior garage fire door and install one new 30 min. rated fire door
Valuation:
$9,445
Permit #:
B-23-416
Status:
issued
Fee:
N/A
Permit Type:
Window/door repla...
Building Type:
N/A
• millstream to remove front entry door and sidelites and prep opening for new installation. • millstream to install one new provia heritage single entry door with security plate satin nickel ball bearing hinges we will re install door knob and deadbolt that is there now mill finished adjustable threshold in the color of pre primed white on both the inside and out. • millstream to ins... see more
Valuation:
$4,900
Permit #:
PRAD202405138
Status:
applied
Fee:
N/A
Permit Type:
Alteration
Building Type:
Must verify
Remove existing shingle roof down to deck and replace with 50 yr. asphalt shingle system. ice and water installed per ct code. roof type: asphalt existing layers: 1 stripped: yes resheathed: no number of squares: 14 ice & water: yes plywood seams taped: yes full ice & water coverage; ventilation: yes type: gable
Valuation:
$9,650
Permit #:
PRRF20220000795
Status:
applied
Fee:
N/A
Permit Type:
Roofs and siding ...
Building Type:
One family dwelli...
Remove existing shingle roof down to deck and replace with 50 yr. asphalt shingle system. doing back half of roof only. roof type: asphalt number of existing layers: 1 stripped: yes resheathed: no number of squares: 5 ice & water installed: yes plywood seams taped: yes full ice & water coverage ventilation: yes type: ?
Valuation:
$3,375
Permit #:
PRRF20220002784
Status:
applied
Fee:
N/A
Permit Type:
Roofs and siding ...
Building Type:
One family dwelli...
Remove existing shingle roof down to decking and replace with 50 year asphalt shingle system. ice and water to be installed per ct code - 12 sq taping plywood seams and felt buster paper
Valuation:
$11,984
Permit #:
B-24-19
Status:
complete
Fee:
N/A
Permit Type:
Roofing
Building Type:
One & two family
Remove existing shingle roof down to deck and replace with 50 year asphalt shingle system. roof type: asphalt existing layers: 1 stripped: yes resheathed: no number of squares: 23 ice & water: yes plywood seams taped: no full ice & water coverage ventilation: yes type: gable
Valuation:
$17,539
Permit #:
PRRF20210000759
Status:
applied
Fee:
N/A
Permit Type:
Roofs and siding ...
Building Type:
One family dwelli...
Remove existing shingle roof down to deck and replace with 50 year asphalt shingle system. partial roof replacement - low pitch section. roof type: asphalt number of existing layers: 1 stripped: yes resheathed: no number of squares: 5 ice & water installed: yes seams taped: no full ice & water coverage ventilation: yes type: gable
Valuation:
$8,000
Permit #:
PRRF20210004248
Status:
applied
Fee:
N/A
Permit Type:
Roofs and siding ...
Building Type:
One family dwelli...
Remove existing shingle roof down to deck and replace with 50 yr asphalt shingle system - ice & water seam tape and synthetic to be installed per code
Valuation:
$13,500
Permit #:
24-312B
Status:
expired
Fee:
$278
Permit Type:
Roofing (resident...
Building Type:
N/A
Millstream Construction Reviews
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Millstream Construction License info
Verified License
| License # | NHC.0016526 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Millstream Construction at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 181994 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Millstream Construction at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 39025 |
| Status | Active |
| State | Rhode Island |
| Type | Residential And Commercial Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2021. Check the current license status of Millstream Construction with the State of Rhode Island Contractors' Registration and Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HIC.0641059 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Millstream Construction with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
354
Permits
- Building permit records show that Millstream Construction has worked on 354 permitted projects.
Millstream Construction Employees
CG
Christopher Gonsalves
Owner