Updated: May 13, 2026
Location and Projects
Headquarters Address
Naples, FL, 34102
Local address
9 STUART RD, Sterling, MA, 01564
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Mark J. Leonardi Architect
Mark J. Leonardi, 9 Stuart Rd, Sterling, MA (Owned by: Mark P Leonardi) holds a Building Licenses, Construction Supervisor license and 5 other licenses according to the Massachusetts license board.
Their BuildZoom score of 91 ranks in the top 37% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark J. Leonardi, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark J. Leonardi Services
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Mark J. Leonardi Contact Information
Phone Number: (781) 893-9900
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Headquarters Address: Naples, FL, 34102
Local Address: 9 STUART RD, Sterling, MA 01564
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition per approved plan 780 cmr msbc 9th edition - construct 3 car garage with recreation room 1.5 bathroom (781-879-0458)a certified as built is required before final inspection
Valuation:
$408,105
Permit #:
BLD-22-005599
Status:
issued
Fee:
$1,180
Permit Type:
N/A
Building Type:
N/A
Modifications to interior finishes with some added electrical requirements/changes
Valuation:
$200,000
Permit #:
BP-19-794
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior alterations - 1st floor dermatologists office
Valuation:
N/A
Permit #:
P201841085
Status:
ISSUED
Fee:
$11,684
Permit Type:
Commercial altera...
Building Type:
340 general offic...
Properties incorporated - 2nd floor - tenant fit-out
Valuation:
N/A
Permit #:
P201841055
Status:
final
Fee:
$877
Permit Type:
N/A
Building Type:
340 general offic...
Delphi - 3rd floor tenant fit-up
Valuation:
N/A
Permit #:
P201841438
Status:
final
Fee:
$12,650
Permit Type:
N/A
Building Type:
340 general offic...
Upgrades to existing food prep kitchen mill work counter tops flooring windows partial equipment plumbing electrical fire protection
Valuation:
$146,000
Permit #:
19060517
Status:
complete
Fee:
$2,920
Permit Type:
N/A
Building Type:
N/A
Repair & replace damaged pre-cast floor plank @ e.b boller
Valuation:
$70,000
Permit #:
16110442
Status:
complete
Fee:
$1,400
Permit Type:
N/A
Building Type:
N/A
Relocate existing vavs and install new; connect to main air system and connect all branch duct and rgds; relocate thermostats and pneumatic tubing as required
Valuation:
$4,160
Permit #:
15040429
Status:
filed
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Phase one only - repair roof truss damage due to winter snow load
Valuation:
$19,500
Permit #:
15040313
Status:
complete
Fee:
$363
Permit Type:
N/A
Building Type:
N/A
Construct non load bearing partitions
Valuation:
N/A
Permit #:
P201341319
Status:
final
Fee:
$401
Permit Type:
N/A
Building Type:
401 warehouses-st...
Topkins+bevans 1st floor - tenant fit-out
Valuation:
N/A
Permit #:
P201840713
Status:
final
Fee:
$1,375
Permit Type:
N/A
Building Type:
340 general offic...
Convert two existing offices into exam rooms move one lmf wall remove one handwash sink and make closet
Valuation:
N/A
Permit #:
P201040315
Status:
final
Fee:
$770
Permit Type:
N/A
Building Type:
340 general offic...
Interior demolish only
Valuation:
N/A
Permit #:
P201840878
Status:
ISSUED
Fee:
$389
Permit Type:
Commercial altera...
Building Type:
340 general offic...
Joseph m. smith community health center - alterations to existing space to accomodate new out patient pharmacy
Valuation:
N/A
Permit #:
P201240481
Status:
final
Fee:
$1,100
Permit Type:
N/A
Building Type:
340 general offic...
5 squares of siding on front and right side of garage
Valuation:
$3,175
Permit #:
03A1002
Status:
complete
Fee:
$0
Permit Type:
B renovation
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mark J. Leonardi License info
Verified License
| License # | CS-098949 |
| 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 Mark J. Leonardi 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 # | 30878 |
| Status | Active |
| State | Massachusetts |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of August, 2014. Check the current license status of Mark J. Leonardi with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 34265 |
| Status | Active |
| State | Massachusetts |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Mark J. Leonardi with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 30878 |
| Status | Inactive |
| State | Massachusetts |
| Type | Architect |
- According to the Commonwealth of Massachusetts E-Licensing Board, 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 Mark J. Leonardi at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 98949 |
| Status | Inactive |
| City | Newton |
| Type | Residential Builder |
- 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 Mark J. Leonardi at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 000034265 |
| 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 Mark J. Leonardi at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
9
Permits
- Building permit records show that Mark J. Leonardi has worked on 9 permitted projects.
Mark J. Leonardi Employees
ML
Mark J. Leonardi
Owner
ML
Mark Leonardi
Owner
ML
Mark P Leonardi
Owner