Updated: Mar 20, 2026
Location and Projects
Address
48 Lamb St, South Hadley, MA, 01075
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Green Collar Photos
Green Collar Construction
Green Collar is a leading energy efficiency solutions provider for businesses and homeowners in Western Massachusetts. We help our clients conserve energy, improve comfort, and save money through increased energy efficiencies. Our services include Home Energy Assessments, Home Insulation, Air Sealing, Ductless Ac & Heat Pumps Installation, Windows, and Spray Foam. With years of industry experience, we deliver unparalleled customer service and are fully licensed and insured, ensuring our clients receive the highest level of support, expertise, and peace of mind.
From BuildZoom: Green Collar, 48 Lamb St, South Hadley, MA holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 116 ranks in the top 2% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Green Collar, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Green Collar Contact Information
Phone Number: (413) 532-1817
Address: 48 Lamb St, South Hadley, MA 01075
Green Collar South Hadley
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Green Collar has a BuildZoom score of 116, which places them above 98% of 139,240 contractors in Massachusetts.
Activity
|
40 projects
|
2025 |
|
85 projects
|
2024 |
|
155 projects
|
2023 |
Our building permit records indicate that Green Collar has worked on at least
280.0 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
|
21 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Green Collar mostly works on
home addition
projects.
Pricing
|
111 projects
|
< $5k |
|
131 projects
|
$5k-$20k |
|
10 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $5,700. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct alter repair or demolish a residential or commercial building or structure
2024-01-29
Renovation of offices showroom and adding a room within the building. replace existing double hung windows. 5 window on 2nd floor rough open already cut with a awning covering it will be putting windows inits place. see plans attached ***
Valuation:
$100,000
Permit #:
B-24-38
Status:
issued
Fee:
N/A
Permit Type:
Repair renovation...
Building Type:
N/A
Construct alter repair or demolish a residential or commercial building or structure
2024-12-09
8ft extention of living room; 8x7 mudroom addition. existing bathroom remodel. *a*we will strip both the house and the garage and re-roof with with iko asphalt shingles. it's a total of 19sq
Valuation:
$150,000
Permit #:
B-24-265
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Install 8 dense pack insulation to 5874 sqft wall cavity install 6 dense pack insulation to 2832 sqt wall cavity install 6mil vapor barrier to 2708 sqft install 16 blown cellulose insulation to attic floor
Valuation:
$58,823
Permit #:
25-11CB
Status:
approved
Fee:
$750
Permit Type:
N/A
Building Type:
N/A
Provide labor and materials to install a layer of 6 mil poly sheeting over a dirt ground to prevent moisture from entering the home -762 provide labor and materials to install a 10 layer of r-37 cellulose to open attic floor -240
Valuation:
$3,675
Permit #:
R-23-0025
Status:
issued
Fee:
$60
Permit Type:
Alteration weathe...
Building Type:
N/A
Attic floor open blow cellulose-1376 sq ft install 9 fgb open crawlspace ceiling -224 sq ft install 2 thermal barrier poly open crawlspace ceiling -224 sq ft
Valuation:
$7,701
Permit #:
R-24-0086
Status:
issued
Fee:
$90
Permit Type:
Weatherization
Building Type:
N/A
Fujitsu asu7rlf1 7, 000 btu high wall evaporator (2) fujitsu aou18rlxfzh 2 zone mini split condenser (1) fujitsu asu7rlf1 7, 000 btu high wall evaporator (2) fujitsu asu9rlf1 9, 000 btu high wall evaporator (1) fujitsu aou24rlxfzh 2-3 zone
Valuation:
$19,989
Permit #:
BP-23-275
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Samsung condenser aj024cxs4ch - 1samsung head unit ar12csdafwknc - 1samsung head unit rns07afc - 2(with ep-25-213)
Valuation:
$65,616
Permit #:
BP-25-185
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(with ep-24-152)daikin 4mxl36wvju 2-4 zone mini split condenser 36, 000 btudaikin fvxs09wvju9 9, 000 btu low wall evaporatordaikin ctxs07wvju9 7, 000 btu high wall evaporatordaikin ftxs12wvju9 12, 000 btu high wall evaporator
Valuation:
$18,117
Permit #:
BP-24-208
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install: mitsubishi 6, 000 btu hyper heat mini split (3) mitsubishi 12, 000 btu hyper heat mini split (1) mitsubishi 9, 000 btu hyper heat mini split (1) mark t maceachern 5 curtis rd saugus ma 01906 sj-001648 exp 3/22/23
Valuation:
$20,232
Permit #:
BP-22-872
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Samsung ductless mini split 1 condenser- 3 head units (with ep-25-39)
Valuation:
$41,783
Permit #:
BP-25-21
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
See contractfujitsu acuh12luas1 4 way ceiling cassette - 1fujitsu asu9rlf1 9, 000 btu high wall evaporator - 1fujitsu asu7rlf1 7, 000 btu high wall evaporator - 3fujitsu aou45rlxfz 2-5 zone mini split condenser - 1
Valuation:
$16,852
Permit #:
BP-23-522
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Walls - wood shingle sided 4 - 1278 attic flat - 15 open r-49 cellulose - 1162 crawlspace - r30 fiberglass - 1162 crawlspace ceiling - 2 rigid board insulation - 1162 crawlspace - 6 mil poly ground cover - 1303
Valuation:
$17,966
Permit #:
R-23-0031
Status:
issued
Fee:
$30
Permit Type:
Weatherization
Building Type:
N/A
Install 8 cellulose to 450sqft attic floor install 5 cellulose to 919sqft walls
Valuation:
$6,194
Permit #:
R-25-0102
Status:
issued
Fee:
$90
Permit Type:
Weatherization
Building Type:
N/A
Install 4 cellulose to 208sqft attic flat install 8 cellulose to 333sqft kneewall floor
Valuation:
$3,816
Permit #:
25-29RB
Status:
approved
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Install 12 cellulose to 1761sqft attic flat install 4 cellulose to 1420sqft walls
Valuation:
$13,628
Permit #:
25-2RB
Status:
approved
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Install 4 cellulose to 1029sqft walls install 6mil poly to 397ft crawlspace
Valuation:
$5,791
Permit #:
25-21RB
Status:
expired
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Provide labor and materials to install a 12 layer of r-44 class one cellulose to open attic floor - 1200sqft provide labor and materials to install a 9 r30 fiberglass batt to open basement ceiling - 1200sqft
Valuation:
$7,531
Permit #:
R-22-0135
Status:
issued
Fee:
$60
Permit Type:
Weatherization
Building Type:
N/A
Install replacement low e triple pane u factor 23 or better - 17 windows
Valuation:
$11,900
Permit #:
BP-25-229
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Vinyl sided wall 4 dense pack - 1404 sq ft crawlspace ceiling 9 fbg- 663 sq ft crawlspace ceiling 2 poly- 663 sq ft attic floor 12 r 44 cellulose-672 sq ft
Valuation:
$12,936
Permit #:
R-24-0023
Status:
issued
Fee:
$95
Permit Type:
Weatherization
Building Type:
N/A
Furnish and install blown in class i cellulose to (1560) square feet of vinyl-sided exterior walls. install a 14 layer of r-49 class i cellulose added to (578) square feet of open attic space
Valuation:
$8,034
Permit #:
R-22-0838
Status:
complete
Fee:
$100
Permit Type:
Weatherization
Building Type:
N/A
Green Collar Reviews
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Verified License
BuildZoom confirmed this contractor's license
Green Collar License info
Verified License
| License # | 181415 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Green Collar at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
1.1K
Permits
- Building permit records show that Green Collar has worked on 1102 permitted projects.