Updated: Mar 24, 2026
Location and Projects
Address
20 DAVENPORT RD, Quincy, MA, 02170
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John M. Flaherty Construction
Serving Quincy, Massachusetts and the surrounding area, John M. Flaherty has over three decades of experience in the construction industry. Specializing in residential projects, Flaherty handles a range of home improvement and remodeling work suited to single-family properties in the region. With 32 years in business, he is familiar with project requirements unique to the South Shore and Greater Boston climate and housing stock. Homeowners in Quincy have relied on his established expertise for permitting processes and building code compliance. Flaherty’s extensive tenure reflects deep knowledge of local construction methods and techniques, as well as a thorough understanding of neighborhood-specific needs within his service area.
John M. Flaherty Services
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John M. Flaherty Contact Information
Phone Number: (508) 224-5902
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Address: 20 DAVENPORT RD, Quincy, MA 02170
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John M. Flaherty Quincy
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John M. Flaherty has a BuildZoom score of 97, which places them above 82% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that John M. Flaherty has worked on at least
2.0 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
|
1 project
|
$5k-$20k |
|
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.
Renovate first floor - all cost reflected on alt815656 (for occupancy)
Valuation:
N/A
Permit #:
SF832240
Status:
complete
Fee:
$20
Permit Type:
N/A
Building Type:
1-2fam
Total gut and rehab units #2 & #3 all work to comply with 780 cmr local bylaws. dust mitigation required during permitted work
Valuation:
$188,500
Permit #:
BP-2022-000104
Status:
final
Fee:
$3,780
Permit Type:
N/A
Building Type:
N/A
Remodel kichen and two bathrooms unit 1. all work must comply with 780 cmr & brookline by-laws. dust mitigation required during permitted work
Valuation:
$61,000
Permit #:
BP-2022-001070
Status:
complete
Fee:
$900
Permit Type:
N/A
Building Type:
N/A
Install one replacement windownotice: any and all commonwealth of massachusetts covid-19 job site safety protocols shall be followed and shall be the responsibility of the permit holder
Valuation:
$500
Permit #:
58426
Status:
issued
Fee:
N/A
Permit Type:
Renovation
Building Type:
N/A
Re-permit 20 x 40 roof deck built 2004 as per plans and permit #4940 issued 3-31-04 and amended 10-19-04
Valuation:
N/A
Permit #:
ALT577593
Status:
filed
Fee:
$50
Permit Type:
N/A
Building Type:
1-4fam
Constuct new 15 x 16 deck remodel two existing bathrooms as per plans dated 6/17/14
Valuation:
$5,000
Permit #:
B-14-1786
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel two existing bathrooms as perp lans dated 06/03/14
Valuation:
$7,500
Permit #:
B-14-1672
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire alarm panel swap
Valuation:
$2,000
Permit #:
SF477156
Status:
filed
Fee:
$40
Permit Type:
N/A
Building Type:
Commercial
Replace existing front door. no structural changes
Valuation:
$6,230
Permit #:
SF1296676
Status:
filed
Fee:
$90
Permit Type:
N/A
Building Type:
1-3fam
Replace asphalt shingles
Valuation:
$6,500
Permit #:
RES-035152-2020
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Replace 4 windows
Valuation:
$3,150
Permit #:
B-17-1327
Status:
complete
Fee:
$56
Permit Type:
Windows
Building Type:
Single Family
Replace 4 windows
Valuation:
$3,150
Permit #:
B-17-1327
Status:
complete
Fee:
$56
Permit Type:
Windows
Building Type:
Single Family
No Description Available
Valuation:
$0
Permit #:
SMK188848
Status:
Closed
Fee:
$50
Permit Type:
N/A
Building Type:
1Unit
Install (1) one air conditioning unit in side wall of roof dormer. hist. approval dated 3/9/10
Valuation:
$1,000
Permit #:
BP-2010-0350
Status:
issued
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
Replace 4 windows
Valuation:
N/A
Permit #:
86441
Status:
complete
Fee:
N/A
Permit Type:
Windows
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
SMK246751
Status:
Closed
Fee:
$50
Permit Type:
N/A
Building Type:
1Unit
No Description Available
Valuation:
$0
Permit #:
SMK256476
Status:
Closed
Fee:
$50
Permit Type:
N/A
Building Type:
1Unit
Install two examing rooms as per plans
Valuation:
$8,000
Permit #:
4628
Status:
complete
Fee:
N/A
Permit Type:
Renovation
Building Type:
N/A
Repl-dr & wind
Valuation:
$2,500
Permit #:
94A0238
Status:
complete
Fee:
N/A
Permit Type:
B renovation
Building Type:
N/A
No
Valuation:
$14,999
Permit #:
B-23-752
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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John M. Flaherty License info
License Not Verified
| License # | 1499 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of John M. Flaherty with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 17514 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- When BuildZoom last verified this license, it had an expiration date of July, 2025. Check the current license status of John M. Flaherty with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 174013 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for John M. Flaherty 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 # | 112250 |
| Status | Active |
| City | Newton |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of John M. Flaherty with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 112250 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of John M. Flaherty with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 000031751 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for John M. Flaherty at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 124912 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for John M. Flaherty at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
16
Permits
- Building permit records show that John M. Flaherty has worked on 16 permitted projects.
John M. Flaherty Employees
JF
John A Flaherty
Responsible Person
JF
John Flaherty
Owner
JF
John M Flaherty
Owner
JF
John M. Flaherty