Updated: Jul 12, 2026
Location and Projects
Address
12 demers st, Grafton, MA, 01560
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Leonardo Construction
Serving Grafton, MA and the surrounding area for over 28 years, Leonardo provides residential construction and renovation services. The company handles a range of home improvement projects, focusing on work for local homeowners. With nearly three decades of experience in the industry, Leonardo manages projects from minor interior remodels to larger residential upgrades. The company’s portfolio includes kitchen and bath renovations, as well as general remodeling for single-family homes in Worcester County. Leonardo works directly with clients to align construction solutions with each property's unique requirements. The business is known for its longevity in the Grafton area and its experience navigating the needs of local homeowners.
Leonardo Services
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Leonardo Contact Information
Phone Number: (617) 987-1995
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Address: 12 demers st, Grafton, MA 01560
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Leonardo Grafton
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Leonardo has a BuildZoom score of 100, which places them above 87% of 139,240 contractors in Massachusetts.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Leonardo has worked on at least
9.0 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
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $21,125. This graph shows the distribution of these job values.
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.
Remodel kitchen reno (gut) and 3 bathroom reno (gut) rear deck replace windows & master suite and bathroom in existing attic space per plans full meps upgrade
Valuation:
$180,000
Permit #:
BP-2025-000719
Status:
issued
Fee:
$3,600
Permit Type:
N/A
Building Type:
N/A
Interior renovation of apartment #5. gut bathroom and redo (layout remains the same). refinish floors. replace doors. patch and paint. change light fixtures and install recessed lights. misc repairs. the plumber and the electrician will acquire their permits independently
Valuation:
$57,258
Permit #:
SF1552246
Status:
filed
Fee:
$600
Permit Type:
N/A
Building Type:
Multi
-staircase + stonewall and asphalt area - 130 sq/f second area leveling and lay asphalt all work to comply with 780 cmr and local bylaws. dust mitigation required during permitted work
Valuation:
$21,125
Permit #:
BP-2024-001029
Status:
triage
Fee:
$440
Permit Type:
N/A
Building Type:
N/A
Install new vinyl siding over existing siding cover window trim and other trim areas with aluminum replace one broken window
Valuation:
$32,084
Permit #:
SF1546856
Status:
complete
Fee:
$350
Permit Type:
N/A
Building Type:
1-3fam
Repair ceiling drywall replace apartment door replace kitchen cabinets; open load bearing wall
Valuation:
$6,000
Permit #:
COC202308757
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Removal of roofing and siding. replacing siding with fiber cement
Valuation:
$28,000
Permit #:
RB-2022-00019
Status:
issued
Fee:
$252
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
RB-2025-00094
Status:
issued
Fee:
$330
Permit Type:
N/A
Building Type:
N/A
Install gas furnace and air conditioning with all duct work for first floor and second floor
Valuation:
$8,000
Permit #:
R-21-0190
Status:
issued
Fee:
$90
Permit Type:
HVAC
Building Type:
N/A
Repair porch
Valuation:
$10,500
Permit #:
BLD202500539
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2025-01149
Status:
issued
Fee:
$540
Permit Type:
N/A
Building Type:
Residential
Dryer
Valuation:
N/A
Permit #:
Y202440224
Status:
final
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Repair porch
Valuation:
$10,500
Permit #:
COC202504903
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
762 sq ft house to a 1109 sq ft house
Valuation:
$245,000
Permit #:
07-215
Status:
issued
Fee:
$1,400
Permit Type:
N/A
Building Type:
N/A
Wire two boilers
Valuation:
$300
Permit #:
780
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
Residential
Wire boiler.
Valuation:
$750
Permit #:
E-1127
Status:
N/A
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Wire boiler
Valuation:
$575
Permit #:
701
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Wire boiler
Valuation:
$550
Permit #:
903
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Wire boiler
Valuation:
$250
Permit #:
1428
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Replace underground grom statue to flag pole
Valuation:
N/A
Permit #:
3042
Status:
complete
Fee:
N/A
Permit Type:
Less than 10 outlets
Building Type:
Commercial
Wire two gas boilers
Valuation:
$900
Permit #:
1286
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
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Verified License
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Leonardo License info
Verified License
| License # | 210959 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 01-30-2026 |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Leonardo at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CS-118780 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Leonardo 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 # | 10685 |
| Status | Active |
| State | Massachusetts |
| Type | Plumber |
- When BuildZoom last verified this license, it had an expiration date of May, 2024. Check the current license status of Leonardo 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 # | 228191 |
| 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 Leonardo with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4449 |
| Status | Active |
| State | Massachusetts |
| Type | Master Electrician |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Leonardo 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 # | 4449, 2817 |
| Status | Active |
| State | Massachusetts |
| Type | Master Electrician |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Leonardo 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 # | 6292 |
| Status | Inactive |
| State | Massachusetts |
| Type | Electrical Business |
- 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 Leonardo 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 # | 4449 |
| Status | Inactive |
| State | Massachusetts |
| Type | Electrician |
- 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 Leonardo 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 # | CS-041261 |
| Status | Inactive |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- According to the Massachusetts Department of Public Safety, 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 Leonardo at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
33
Permits
- Building permit records show that Leonardo has worked on 33 permitted projects.
Leonardo Employees
LL
Leonard J Leonardo
Owner
LL
Leonard J. Leonardo
Owner
LL
Leonardo Lima
Owner
LL
Leonardo V Lima
Co Owner
LV
Leonardo V Vieira
Co Owner