Updated: May 18, 2026
Location and Projects
Address
18 BERKSHIRE ST, Newburyport, MA, 01950
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Timothy P Costin Construction
Based in Newburyport, Massachusetts, Timothy P Costin has over two decades of experience in the construction industry. Serving residential clients throughout the Greater Newburyport region, Costin specializes in home improvement and remodeling projects. His background includes a range of interior and exterior work, such as kitchen and bathroom renovations, general carpentry, and custom remodeling solutions. Costin’s portfolio features both restoration of historic homes and updates to contemporary properties, reflecting an understanding of the architectural diversity in the area. With 21 years in the business, he works with local homeowners seeking to enhance the function and appearance of their living spaces through personalized contracting services.
Timothy P Costin Services
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Timothy P Costin Contact Information
Phone Number: (617) 567-6000
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Address: 18 BERKSHIRE ST, Newburyport, MA 01950
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Timothy P Costin Newburyport
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Timothy P Costin has a BuildZoom score of 97, which places them above 82% of 139,240 contractors in Massachusetts.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that Timothy P Costin 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
|
$500k-$1mil |
|
1 project
|
$1mil+ |
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.
The renovation projectâs scope of work includes the construction of a new entry vestibule at the existing main entrance at bwsc headquarter at 980 harrison avenue. the renovation will create an enclosed entry vestibule in the existing exterior recessed entry of the building
Valuation:
$760,965
Permit #:
ALT1384004
Status:
complete
Fee:
$535
Permit Type:
N/A
Building Type:
Mixed
Renovations to various existing toilet rooms. scope includes new epoxy flooring accessories toilets partitions plumbing hvac and lighting
Valuation:
$1,700,000
Permit #:
SF1507635
Status:
complete
Fee:
$500
Permit Type:
N/A
Building Type:
Other
Senior centeralt1121873 issued 10/22/20
Valuation:
$4,341,435
Permit #:
COO1393335
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Other
East boston senior center -; new addition for elevator and stair core. all new window. brick envelope repairs. roof removal and replacement. new interior finishes. new meps. millwork. site improvements and retaining walls. new water and sanitary services. landscaping;;;;;;;;;;;;;;;;lpr
Valuation:
$4,341,435
Permit #:
ALT1121873
Status:
filed
Fee:
$770
Permit Type:
N/A
Building Type:
Other
Renovation of second floor office space. new partitions doors and hardware acoustical ceilings flooring visual display boards casework and toilet partitions. upgrades to plumbing and hvac. alter fire protection to accomodate new office layout. new electrical lighting an tel/data.sprinkler work;city of boston
Valuation:
$530,000
Permit #:
ALT496898
Status:
filed
Fee:
$179
Permit Type:
N/A
Building Type:
Commercial
Remove non structural cmu walls and drywall partitions at second floor administration space. includes removal of doors and hardware acoustical ceilings movable partition toilet partitions carpet and work stations. make safe meps. remove misc school department debris
Valuation:
$50,000
Permit #:
SF496276
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Demolish entire structure and foundations at center portion of building. after which two buildings will remain. one building will be known as 18 penniman rd and one will be known as 30-32 penniman rd
Valuation:
$75,000
Permit #:
SF421616
Status:
filed
Fee:
$770
Permit Type:
N/A
Building Type:
Commercial
Repairs - replace 100 squares of siding (617-567-6000)
Valuation:
$125,000
Permit #:
BLD-22-000947
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BP-19-642
Status:
issued
Fee:
N/A
Permit Type:
Alteration/Remodel
Building Type:
N/A
No Description Available
Valuation:
$175,000
Permit #:
BP-2005-1072
Status:
complete
Fee:
$1,935
Permit Type:
Demolition
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
38614
Status:
active
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$26,000
Permit #:
BP-2005-1071
Status:
complete
Fee:
$420
Permit Type:
Demolition
Building Type:
N/A
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Timothy P Costin Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Timothy P Costin License info
Verified License
| License # | CS-054043 |
| 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 Timothy P Costin at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 210344 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Timothy P Costin with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 210344 |
| Status | Active |
| City | Newton |
| Type | Building Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Timothy P Costin with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
9
Permits
- Building permit records show that Timothy P Costin has worked on 9 permitted projects.
Timothy P Costin Employees
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Timothy P Costin
Owner