Updated: Jul 07, 2026
Location and Projects
Address
Chestnut Hill, MA, 02467
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Jonathan Leffell Architect
Jonathan Leffell, Chestnut Hill, MA holds a Building Licenses, Construction Supervisor license and 3 other licenses according to the Massachusetts license board.
Their BuildZoom score of 100 ranks in the top 13% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jonathan Leffell, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Jonathan Leffell Contact Information
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Jonathan Leffell Chestnut Hill
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jonathan Leffell has a BuildZoom score of 100, which places them above 87% of 139,240 contractors in Massachusetts.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Jonathan Leffell has worked on at least
6.0 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
|
4 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $17,000. 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.
Replace air conditioning systems with heat pumps and rework ducting after mold remediation. note: the unico system will be under a separate permit
Valuation:
$28,000
Permit #:
SH-24-0140
Status:
issued
Fee:
$280
Permit Type:
HVAC
Building Type:
1to2family
Replace 1st floor air conditioning system with heat pump and hydronic back up. replace high velocity ducting as needed. move return
Valuation:
$17,000
Permit #:
SH-24-0142
Status:
issued
Fee:
$170
Permit Type:
HVAC
Building Type:
1to2family
Replace oil fired furnace and ducting with central heat pump and new duct system for 1st floor and basement. system sized and designed using manual j duct design with manual d and system manual s compliant
Valuation:
$24,000
Permit #:
SH-21-0187
Status:
issued
Fee:
$50
Permit Type:
HVAC
Building Type:
1to2family
To replace existing ducted air conditioning system with ducted heat pump for 2nd floor and 3 mini split heads for first floor
Valuation:
$28,000
Permit #:
SH-22-0207
Status:
issued
Fee:
$50
Permit Type:
Renovation
Building Type:
1to2family
To replace 4 hvac systems 96% gas furnaces air conditioning condensers and coils
Valuation:
$54,000
Permit #:
SH-24-0274
Status:
issued
Fee:
$1,080
Permit Type:
HVAC
Building Type:
Office
Replace 2 unico air handlers with the same models and replace air conditioning condensers with bosch heat pumps
Valuation:
$38,000
Permit #:
MP-2023-000266
Status:
issued
Fee:
$760
Permit Type:
N/A
Building Type:
N/A
Replace kitchen cabinets in 1 unit retile 1 bathroom replace plumbing fixtures in 1 bathroom
Valuation:
$10,000
Permit #:
SF1336818
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
Multi
Repair damaged beam. replace tile floor in master bathroom shower compliant with 780cmr and brookline zoning by laws
Valuation:
$11,500
Permit #:
BP-2021-000479
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
Single family dwe...
Replace attic air conditioning system and replace duct system. manual j d and s compliant
Valuation:
$14,000
Permit #:
SH-21-0186
Status:
issued
Fee:
$50
Permit Type:
HVAC
Building Type:
1to2family
Install 2 head multizone heat pump compliant with 780 cmr and brookline zoning by laws
Valuation:
$12,000
Permit #:
MP-2025-000194
Status:
issued
Fee:
$240
Permit Type:
N/A
Building Type:
N/A
Replace condenser and air handler adapt to existing ductwork
Valuation:
$14,000
Permit #:
SMP-2024-0238
Status:
issued
Fee:
$52
Permit Type:
HVAC
Building Type:
1to2family
Replace heat pump and air handler
Valuation:
$16,000
Permit #:
SH-24-0808
Status:
issued
Fee:
$50
Permit Type:
HVAC
Building Type:
Condotownhouses
Replace existing central air conditioning system with mini split heat pump system. duct to first floor to be eliminated. 3 wall units on 1st floor air handler replaced in the attic with some branches replaced for proper sizing and insulation. condenser set in existing location under deck. note-this application is being submitted to replace a sheet metal permit previously applied for
Valuation:
$28,000
Permit #:
M-22-0187
Status:
issued
Fee:
$90
Permit Type:
Renovation
Building Type:
N/A
Remodel kitchen and bathroom unit 1and 2; replace windows roof and siding repair existing enclosed porch
Valuation:
$100,000
Permit #:
SF709200
Status:
filed
Fee:
$1,020
Permit Type:
N/A
Building Type:
1-2fam
Replace kitchen cabinets in 3 units retile 3 bathrooms replace plumbing fixtures in 3 bathrooms
Valuation:
$25,000
Permit #:
SF1189336
Status:
complete
Fee:
$270
Permit Type:
N/A
Building Type:
Multi
B.o.a # 221-05 single family house sent to engineering on 11-2-05
Valuation:
$535,000
Permit #:
05120502
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate fire escape install structural beam at new interior wall openings. partial cost reflected on sf709200
Valuation:
$10,000
Permit #:
ALT724658
Status:
complete
Fee:
$156
Permit Type:
N/A
Building Type:
1-2fam
Finish basement bedroom and full bathroom
Valuation:
$15,000
Permit #:
BP-2017-0800
Status:
complete
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Construct garage with storage loft. plans by james j. abely p.l.s
Valuation:
$25,000
Permit #:
BP-2006-1017
Status:
issued
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Install york ahp60d3xh21a and a tcgd60521s1
Valuation:
$5,000
Permit #:
MP-2008-0199
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
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Jonathan Leffell License info
Verified License
| License # | CS-070677 |
| 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 Jonathan Leffell at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 4905 |
| Status | Active |
| State | Massachusetts |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Jonathan Leffell at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 4905 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Jonathan Leffell at 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 # | 4905 |
| Status | Active |
| State | Massachusetts |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of May, 2015. Check the current license status of Jonathan Leffell with the Massachusetts Department of Consumer Affairs and Business Regulation
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
16
Permits
- Building permit records show that Jonathan Leffell has worked on 16 permitted projects.
Jonathan Leffell Employees
JL
Jonathan Leffell
Owner