Updated: Jun 04, 2026
Location and Projects
Address
89 SQUANTUM ST, Milton, MA, 02186
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Michael C Oconnor Construction
Michael C Oconnor, 89 Squantum St, Milton, MA (Employee: Karney Construction Design, In) holds a Building Licenses, Construction Supervisor license and 2 other licenses according to the Massachusetts license board.
Their BuildZoom score of 96 ranks in the top 20% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Michael C Oconnor, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Michael C Oconnor Services
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Michael C Oconnor Contact Information
Phone Number: (617) 698-1309
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Address: 89 SQUANTUM ST, Milton, MA 02186
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Michael C Oconnor Milton
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Michael C Oconnor has a BuildZoom score of 96, which places them above 80% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Michael C Oconnor has worked on at least
2.0 projects over the past 2 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
|
$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.
Construct new dwelling and garage
Valuation:
$572,000
Permit #:
B-20-365
Status:
issued
Fee:
$6,292
Permit Type:
New dwelling
Building Type:
One or two family...
Construct new dwelling and garage
Valuation:
$572,000
Permit #:
B-20-364
Status:
issued
Fee:
$6,292
Permit Type:
New dwelling
Building Type:
One or two family...
(1) kitchen sink floor 2; kitchenette plumbing hookup
Valuation:
N/A
Permit #:
BLDP250531
Status:
applied
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Remove and dispose of existing kitchen cabinets. install new kitchen cabinets comliant with 780 cmr and brookline zoning by laws
Valuation:
$26,500
Permit #:
BP-2023-000679
Status:
complete
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
Insulate; install new windows; new kitchen; finishes
Valuation:
$124,000
Permit #:
B-19-43
Status:
issued
Fee:
$1,240
Permit Type:
Remodel
Building Type:
One or two family...
Interior renovations to all floors per plan by architect michael a. lindstrom dated april 29/20 no exterior alterations of any kind. fire dept. approval required by rough inspection
Valuation:
$221,434
Permit #:
BP-2020-000578
Status:
complete
Fee:
$2,360
Permit Type:
N/A
Building Type:
N/A
Building a a 12 x 24 x 2.5 story addition at rear and remodel per plans
Valuation:
$516,000
Permit #:
R-22-1432
Status:
final
Fee:
$4,980
Permit Type:
Repair alteration...
Building Type:
N/A
Renovation of 3400 sq.ft. office interior to convert to an architecture studio. renovate per plans by studio michael lindstrom architect dated 4-11-2017. must conform to massachusetts state building code and all applicable reference codes
Valuation:
$70,000
Permit #:
BP-2017-0809
Status:
filed
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Complete renovation and addition to existing dwelling as per plans and specifications by oco architecture design llc p.0. box 709 hingham ma and structural engineer walter a. mckinnon associates inc 278 washington street weymouth ma 02188 dated 8/1/2016
Valuation:
$276,334
Permit #:
R-17-0755
Status:
issued
Fee:
$2,770
Permit Type:
Alteration additi...
Building Type:
N/A
Exterior facade alterations & construct front landing & ramp per plan by architect michael a. lindstrom dated may 7/20
Valuation:
$89,950
Permit #:
BP-2020-000655
Status:
complete
Fee:
$1,800
Permit Type:
N/A
Building Type:
N/A
Repairs due to water damage including replacement of existing hardwood floor and replacement of plasterboard 36 from finished floor living room bedroom closet and foyer
Valuation:
$32,180
Permit #:
BP-2018-001330
Status:
complete
Fee:
$660
Permit Type:
N/A
Building Type:
N/A
Free-standing , 2-car garage with living space above.
Valuation:
$150,000
Permit #:
B-18-538
Status:
issued
Fee:
$1,500
Permit Type:
Garage
Building Type:
One or Two Family...
Strip current roof.install asphalt shingles to existing roof, ice damn protection and drip edge
Valuation:
$7,925
Permit #:
16100010
Status:
filed
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Selective interior demolish please see alt162376 application. cost reflected in this application
Valuation:
N/A
Permit #:
SF178703
Status:
filed
Fee:
$20
Permit Type:
N/A
Building Type:
Multi
1st frl renovate kitchen & addition a family room (one story) 2nd floor addition a master bathroom
Valuation:
$186,500
Permit #:
05060015
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tranfer permit # bl050134 new contractor. construct 1- two story & 1- one story. addition per boa#040044 & planning approval per plan by mohammed javid malek architect
Valuation:
$1
Permit #:
BP-2006-0511
Status:
issued
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
Renovation to a 3400 sq.ft. office interior to convert to an architecture office
Valuation:
$5,000
Permit #:
BP-2017-0338
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Finish basement per plan
Valuation:
N/A
Permit #:
R-13-0412
Status:
issued
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Install reinforced footing and walls at existing rear retaining wall per plan by richard j. testa jr. professional engineer dated jan 7, 2009
Valuation:
$13,870
Permit #:
BP-2009-1154
Status:
issued
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and mudroom
Valuation:
$83,780
Permit #:
BP-2015-1016
Status:
issued
Fee:
$1,680
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Michael C Oconnor License info
Verified License
| License # | CS-062282 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Michael C Oconnor 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 # | 236380 |
| 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 Michael C Oconnor with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 62282 |
| Status | Inactive |
| City | Newton |
| Type | Building 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 Michael C Oconnor at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
26
Permits
- Building permit records show that Michael C Oconnor has worked on 26 permitted projects.
Michael C Oconnor Employees
KI
Karney Construction Design, In
Owner
MO
Michael C Oconnor
Owner