Updated: Jun 19, 2026
Location and Projects
Address
15 Leverett St, Lowell, MA, 01851
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Keith Sor Construction
Keith Sor, 15 Leverett St, Lowell, MA holds a Home Improvement Contractor license and 2 other licenses according to the Massachusetts license board.
Their BuildZoom score of 112 ranks in the top 3% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keith Sor, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Keith Sor Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Wood Fences
Gutters and Flashing
Pole Barn
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Keith Sor Contact Information
Phone Number: (978) 881-8555
Address: 15 Leverett St, Lowell, MA 01851
Keith Sor Lowell
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Keith Sor has a BuildZoom score of 112, which places them above 97% of 139,240 contractors in Massachusetts.
Activity
|
6 projects
|
2025 |
|
9 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Keith Sor has worked on at least
20.0 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.
Pricing
|
5 projects
|
< $5k |
|
9 projects
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $12,714. 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.
Remove walls new flrs intall lvl bathroom remodel drywall to include new stairs in the back new heating system
Valuation:
$50,500
Permit #:
COC202502974
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Remove walls new flrs intall lvl bathroom remodel drywall to include new stairs in the back new heating system
Valuation:
$50,500
Permit #:
COC202502967
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Construct 54ft long 8ft high non strct partition wall along hallway adj to kitchen&utility room. will not extend to ceilin
Valuation:
$6,000
Permit #:
BLD202509298
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Frame out garage to a bedroom with a full bathroom
Valuation:
$51,300
Permit #:
COC202502453
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Demolish roofing system. building master bedroom full bathrm and two bedrooms. install electrical outletes
Valuation:
$101,000
Permit #:
BLD202409505
Status:
issued
Fee:
$1,050
Permit Type:
N/A
Building Type:
N/A
Change the use to a takeout restaurant with some construction
Valuation:
$14,500
Permit #:
COO202501964
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit to addition wall to divide salon from storage area
Valuation:
$6,000
Permit #:
COC202501444
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Remove walls, new flrs intall lvl, bathroom remodel, drywall to include new stairs in the back new heating system
Valuation:
$50,500
Permit #:
BLD202401117
Status:
issued
Fee:
$1,650
Permit Type:
N/A
Building Type:
N/A
Remove walls, new flrs intall lvl, bathroom remodel, drywall to include new stairs in the back new heating system
Valuation:
$50,500
Permit #:
BLD202401114
Status:
issued
Fee:
$1,650
Permit Type:
N/A
Building Type:
N/A
1 kitchen sink
Valuation:
$2,000
Permit #:
PG202501118
Status:
issued
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Frame out garage to a bedroom with a full bathroom
Valuation:
$51,300
Permit #:
BLD202410363
Status:
issued
Fee:
$560
Permit Type:
N/A
Building Type:
N/A
Change the use to a takeout restaurant with some construction
Valuation:
$14,500
Permit #:
BLD202407269
Status:
issued
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Install lvl open kitchen wall install floor and drywall
Valuation:
$12,000
Permit #:
202201641
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
101 single family
Permit to addition wall to divide salon from storage area
Valuation:
$6,000
Permit #:
BLD202402211
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Building a 15 x 20 deck attach to the back of the house
Valuation:
$13,500
Permit #:
R-21-1162
Status:
issued
Fee:
$162
Permit Type:
Deck
Building Type:
N/A
Bathroom remodel apartment 1
Valuation:
$16,000
Permit #:
SF1572946
Status:
complete
Fee:
$180
Permit Type:
N/A
Building Type:
Multi
Replace deck and decking using existing footings
Valuation:
$4,500
Permit #:
202106394
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
325 small rtl & ...
Repair/replace deck with composite materials
Valuation:
$8,968
Permit #:
R-21-00374
Status:
issued
Fee:
$108
Permit Type:
N/A
Building Type:
Ra proposed use -
Repair deck on 2nd floor using current/existing foundation;replace existing post with 6x6 pt beam under and pt dec
Valuation:
$2,500
Permit #:
201907371
Status:
issued
Fee:
N/A
Permit Type:
(add) - addition ...
Building Type:
104 two-family
Adding in a sliding door where window currently is
Valuation:
$2,000
Permit #:
BLD202303862
Status:
issued
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
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Keith Sor License info
Verified License
| License # | 173132 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 12-15-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Keith Sor at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CS-100058 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Keith Sor at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | CS-100058 |
| Status | Unable To Verify |
| State | Massachusetts |
| Type | construction supervisor license |
| Class | csl |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
38
Permits
- Building permit records show that Keith Sor has worked on 38 permitted projects.