Updated: May 29, 2026
Location and Projects
Address
20 Nottingham lane, Haverhill, MA, 01835
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Keith Flagg Construction
Keith Flagg, 20 Nottingham Ln, Haverhill, MA (Employee: Keith E Flagg) holds a Building Licenses, Construction Supervisor license and 1 other license according to the Massachusetts license board.
Their BuildZoom score of 93 ranks in the top 27% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keith Flagg, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Keith Flagg Services
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Keith Flagg Contact Information
Phone Number: (978) 914-4353
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Address: 20 Nottingham lane, Haverhill, MA 01835
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Keith Flagg Haverhill
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Keith Flagg has a BuildZoom score of 93, which places them above 73% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Keith Flagg has worked on at least
1.0 project over the past year.
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
|
$20k-$50k |
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.
Replacing siding and windows on left gable end of house when facing house
Valuation:
$29,100
Permit #:
25-127RB
Status:
approved
Fee:
$370
Permit Type:
N/A
Building Type:
N/A
Remodel bathroom. remove tub and make new walk-in shower. tile shower tile bathroom floor. install new toilet and double vanity
Valuation:
$34,647
Permit #:
R-21-00877
Status:
issued
Fee:
$416
Permit Type:
N/A
Building Type:
Ra proposed use -
Remodel bathroom with walk in shower. move laundry into bathroom closet. update breezway. ba- 8/29/2019- amended 2 skylights and 1 sliding door. $5000. $50 fee
Valuation:
$40,883
Permit #:
A-2019-0326
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
15 x 20 addition
Valuation:
$84,730
Permit #:
21-189RB
Status:
expired
Fee:
$970
Permit Type:
N/A
Building Type:
N/A
Remove exsisting front door and storm door and replace with new storm door and entryway door
Valuation:
N/A
Permit #:
85748
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 3 x 5 landing @ door with stairs & roof above. construct ramp attached to platform
Valuation:
$8,000
Permit #:
A-2019-0284
Status:
final
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replace 7 windows on third floor 417 #3
Valuation:
N/A
Permit #:
93164
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$25,660
Permit #:
66097
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolition of removal of existing garage and deck for new45'x20 one story addition. remodel existing kitchen bathand bedrooms 1 car garage***as per conditions of zba decision of #34-04*************
Valuation:
$105,000
Permit #:
04A0581
Status:
complete
Fee:
N/A
Permit Type:
B renovation
Building Type:
N/A
Building 3 x 5 landing @ door with stairs & roof above. construct ramp attached to platform
Valuation:
$8,000
Permit #:
BP-19-340
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$20,000
Permit #:
BP-20-146
Status:
issued
Fee:
$255
Permit Type:
Renovation
Building Type:
N/A
Building permit: 04a0581
Valuation:
N/A
Permit #:
040477
Status:
complete
Fee:
$65
Permit Type:
B plumbing
Building Type:
N/A
Building permit: 04a0581
Valuation:
N/A
Permit #:
040652
Status:
complete
Fee:
$25
Permit Type:
B gas
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
040241
Status:
complete
Fee:
$15
Permit Type:
B plumbing
Building Type:
N/A
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Keith Flagg Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Keith Flagg License info
Verified License
| License # | CS-112084 |
| 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 Flagg at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 191269 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Keith Flagg at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
11
Permits
- Building permit records show that Keith Flagg has worked on 11 permitted projects.
Keith Flagg Employees
KF
Keith E Flagg
Individual
KF
Keith Flagg
Owner