Updated: Jun 28, 2026
Location and Projects
Address
235 BILLERICA RD, Chelmsford, MA, 01824
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JL Oslan Construction
Serving the Chelmsford, Massachusetts area, JL Oslan has over four decades of experience in local construction. The company works with residential property owners on a range of projects tailored to the region’s architectural needs. JL Oslan’s long-standing presence in Chelmsford reflects a practical understanding of area homes and their maintenance or improvement requirements. With a project portfolio that spans multiple home types and scopes, JL Oslan offers proven experience in managing and executing construction and renovation work in the local community.
JL Oslan Services
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JL Oslan Contact Information
Phone Number: (978) 250-3900
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Address: 235 BILLERICA RD, Chelmsford, MA 01824
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JL Oslan Chelmsford
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JL Oslan has a BuildZoom score of 97, which places them above 82% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that JL Oslan has worked on at least
3.0 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 |
|
1 project
|
$100k-$250k |
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.
General repairs due to water damaged on 1st. floor and (basement) lower level steel plate installation - see plans- finish existing work out room -see plans-
Valuation:
$222,000
Permit #:
BR-23-10087
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New kitchen new replacement windows remodeling existing bathroom new master bathroom new bathroom in basement remodeling existing finished basement relocate stairs to basement new hvac new gas line convert existing garage to master bedroom new interconnect smoke and co2 front and rear deck. (see plans)
Valuation:
$167,000
Permit #:
R-21-00884
Status:
issued
Fee:
$1,860
Permit Type:
N/A
Building Type:
Rb proposed use -
Kitchen renovation. remove bearing wall on 1st floor. replace roof over backroom. replace siding windows new gas fireplace. remove chimney remodel 3rd floor bathroom and 1st floor 1/2 bathroom. new porch on front of house
Valuation:
$618,700
Permit #:
20030367
Status:
complete
Fee:
$12,380
Permit Type:
N/A
Building Type:
N/A
Remove/discard/replace 4 existing windows 3-units three-panel casement 1-unit double-hung. windows by andersen
Valuation:
$20,000
Permit #:
BP-2024-28
Status:
issued
Fee:
$200
Permit Type:
Windows/doors
Building Type:
N/A
Gut and remodel basement 1st floor 2nd floor and 3rd floor. no exterior work. new stair case. addition 4 bathrooms and new kitchen
Valuation:
$500,000
Permit #:
19020195
Status:
complete
Fee:
$10,000
Permit Type:
N/A
Building Type:
N/A
Remodel 2nd. floor master bathroom and finish large walk-in closet. see plan
Valuation:
$68,700
Permit #:
BR-23-10545
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New siding new roof new master bedroom new front porch new windows
Valuation:
$250,000
Permit #:
19030306
Status:
complete
Fee:
$5,000
Permit Type:
N/A
Building Type:
N/A
Addition bay window; addition 12 slider; replace entry door and adjacent window. replace kitchen cabinets and 1 window
Valuation:
$140,000
Permit #:
19070816
Status:
filed
Fee:
$2,800
Permit Type:
N/A
Building Type:
N/A
Install 4 new concrete footings 24 x 24 x 12 w (4) 3 1/2 lally columns to replace existing wooden posts
Valuation:
$10,870
Permit #:
20070629
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Conversion of garage to mudroom and storage. demolish wall diving hall and dining room remodel 1st floor 1/2 bathroom
Valuation:
$79,000
Permit #:
18060482
Status:
complete
Fee:
$1,580
Permit Type:
N/A
Building Type:
N/A
Remodel basement for recreational use. new 2x4 wall. new staircase. new opening from living to basement
Valuation:
$45,000
Permit #:
19060571
Status:
complete
Fee:
$900
Permit Type:
N/A
Building Type:
N/A
New full bathroom in lower level
Valuation:
$33,000
Permit #:
BR-22-11279
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building permit - residential (single 2-family or townhouses) projects
2021-09-14
Remodeling existing 2nd floor bathroom
Valuation:
$33,700
Permit #:
BR-21-11096
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$66,000
Permit #:
BP-2021-95
Status:
issued
Fee:
$660
Permit Type:
Repair
Building Type:
N/A
*1/10/19 change of contractor* remodel kitchen and dining room. addition 1/2 bathroom on 1st floor replace 5 windows and install new back door (2x12 header). interior demolish and remodel 2nd floor bathroom (change locations) note: superseded by permits 19020195 & 19030306
Valuation:
$35,000
Permit #:
18020087
Status:
complete
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
None none
Valuation:
N/A
Permit #:
201601220
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Wooden enclosure-bulkhead to be replaced columns of 1st and 2nd fl front porch and minor repairs to siding and casings
Valuation:
$36,932
Permit #:
12100015
Status:
complete
Fee:
$687
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom and replace (2) windows
Valuation:
$80,000
Permit #:
22020031
Status:
filed
Fee:
$1,600
Permit Type:
N/A
Building Type:
N/A
Garage repair replace rooted posts at garage door/replace window for door
Valuation:
$6,000
Permit #:
21060226
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
21 x 7 addition to kitchen. remodel existing kitchen. deck landing
Valuation:
$80,000
Permit #:
19050510
Status:
complete
Fee:
$1,600
Permit Type:
N/A
Building Type:
N/A
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JL Oslan Reviews
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Verified License
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JL Oslan License info
Verified License
| License # | 112649 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JL Oslan 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-024382 |
| 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 JL Oslan 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 # | 110839 |
| Status | Active |
| City | Newton |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of JL Oslan with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 110839 |
| Status | Active |
| City | Newton |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of JL Oslan with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 164665 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, 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 JL Oslan 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
30
Permits
- Building permit records show that JL Oslan has worked on 30 permitted projects.
JL Oslan Employees
JO
J.L. Oslan
Owner
JO
Jonex Oslan
Owner
JO
Jorge L Oslan
Responsible Person
JO
Jorge Oslan
Owner