Updated: Mar 16, 2026
Location and Projects
Address
43 CANDLEWOOD DRIVE, Waltham, MA, 02451
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L.J. Gauvin & Sons Construction
L.J. Gauvin & Sons, 43 Candlewood Dr, Waltham, MA (Owned by: Lenny Guavin) holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 97 ranks in the top 18% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring L.J. Gauvin & Sons, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
L.J. Gauvin & Sons Services
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L.J. Gauvin & Sons Contact Information
Phone Number: (781) 223-6949
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Address: 43 CANDLEWOOD DRIVE, Waltham, MA 02451
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L.J. Gauvin & Sons Waltham
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
L.J. Gauvin & Sons has a BuildZoom score of 97, which places them above 82% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that L.J. Gauvin & Sons has worked on at least
5.0 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
|
$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.
Replace existing retaining wall in same exact place
Valuation:
$65,000
Permit #:
BP-2025-106
Status:
issued
Fee:
$650
Permit Type:
Retaining wall
Building Type:
N/A
Demolish existing mudroom interior demolish excavation and foundation permit only (take off roof jlm 3/14/22)
Valuation:
N/A
Permit #:
P202241101
Status:
final
Fee:
$360
Permit Type:
N/A
Building Type:
101 single family
Renovate existing 3 season porch new windows floor new blue board plaster heat & insulate
Valuation:
N/A
Permit #:
P202341549
Status:
final
Fee:
$168
Permit Type:
N/A
Building Type:
101 single family
Renovate existing kitchen and remove half of wall
Valuation:
N/A
Permit #:
P202241195
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
102 condominium
Install 2 new lvl\'s in existing house reframe existing back porch remodel kitchen rebuild existing 16.2x8.3 room on same footprint (need asbuilt for final inspection)
Valuation:
N/A
Permit #:
P201841656
Status:
final
Fee:
$666
Permit Type:
N/A
Building Type:
101 single family
Remodel existing kitchen & tile existing tub (tile only)
Valuation:
N/A
Permit #:
P202341820
Status:
final
Fee:
$264
Permit Type:
N/A
Building Type:
111 four to eight...
Demolish existing bathroom new tub walls and vanity
Valuation:
N/A
Permit #:
P202141174
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
101 single family
Remodel kitchen
Valuation:
N/A
Permit #:
P202241532
Status:
final
Fee:
$252
Permit Type:
N/A
Building Type:
111 four to eight...
Unit # 2 - demolish & remodel existing kitchen
Valuation:
N/A
Permit #:
P202440320
Status:
final
Fee:
$330
Permit Type:
N/A
Building Type:
111 four to eight...
Removal of wood burning fireplace insert and replace with gas burning fire place insert
Valuation:
N/A
Permit #:
P202040898
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Renovation to bathroom
Valuation:
N/A
Permit #:
P202540524
Status:
issued
Fee:
$480
Permit Type:
N/A
Building Type:
N/A
Renovate existing bedroom and demolish existing bearing wall and replace with 3-71/4 lvl new ceiling and hardwood floor
Valuation:
N/A
Permit #:
P201841082
Status:
issued
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
Remodel bathroom & new kitchen cabinets & countertops
Valuation:
N/A
Permit #:
P202140744
Status:
final
Fee:
$336
Permit Type:
N/A
Building Type:
102 condominium
Kitchen renovation
Valuation:
N/A
Permit #:
P202242044
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
101 single family
Remodel bathroom
Valuation:
N/A
Permit #:
P202340501
Status:
final
Fee:
$186
Permit Type:
N/A
Building Type:
102 condominium
New kitchen take down 3 walls & replace w/2 steel beams & 1 lvl new flooring new front door in existing mud room
Valuation:
N/A
Permit #:
P201841616
Status:
issued
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Take out existing glass & install 1 skylight 3 casement windows
Valuation:
N/A
Permit #:
P201740792
Status:
issued
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Take down existing bearing wall & replace w/beam open side wall at existing gabel & rep[lace w/beam blue board & plaster wall & ceiling reinstall existing cabinets
Valuation:
N/A
Permit #:
P201741061
Status:
issued
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
Cut back existing front porch to comply with set back addition to porch on each side addition roofing to existing roof to cover new porch take down existing garage
Valuation:
N/A
Permit #:
P201440489
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
101 single family
Adding dormers bathroom and kitchen renovations opening up wall between kitchen and dining room renovate bathroom and adding a bathroom
Valuation:
N/A
Permit #:
P201440143
Status:
final
Fee:
$900
Permit Type:
N/A
Building Type:
101 single family
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L.J. Gauvin & Sons Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
L.J. Gauvin & Sons License info
Verified License
| License # | 115364 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 06-25-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for L.J. Gauvin & Sons 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
48
Permits
- Building permit records show that L.J. Gauvin & Sons has worked on 48 permitted projects.
L.J. Gauvin & Sons Employees
LG
Lenny Guavin
Owner
LG
Leonard Gauvin
Owner
LG
Leonard J Gauvin
Responsible Person