Updated: May 04, 2026
Location and Projects
Address
PO BOX 1929, Sonoma, CA, 95476
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Jacob Lange Construction
Jacob Lange, Sonoma, Po Box 1929, Sonoma, CA (Owned by: Jacob Michael Lange) holds a General Building license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jacob Lange, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jacob Lange Services
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Jacob Lange Contact Information
Phone Number: (707) 849-0856
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Address: PO BOX 1929, Sonoma, CA 95476
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace hvac system with new mini split system for the downstairs and separate mini split system for the upstairs mitsubishi upstairs: indoor unit svzkp24na outdoor suzkp24na2 downstairs: indoor unit svzkp36na outdoor suzkp36na2
Valuation:
N/A
Permit #:
BLD23-5726
Status:
issued
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Residential master bathroom/closet remodel and replace windows throughout like for like
Valuation:
N/A
Permit #:
BLD23-5342
Status:
final
Fee:
$894
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition 600 sf remodel 1141 sf and new decks_600 sf existing 1938 sf
Valuation:
N/A
Permit #:
BLD23-7445
Status:
issued
Fee:
$5,373
Permit Type:
N/A
Building Type:
N/A
Fire damage rebuild: new ag barn (2520 sq ft) with no electrical
Valuation:
$120,000
Permit #:
B18-00955
Status:
final
Fee:
$2,361
Permit Type:
N/A
Building Type:
N/A
2017 complex fire - 97 x 6 soldier pile retaining wall - evt17-05261
Valuation:
N/A
Permit #:
BLD20-3123
Status:
final
Fee:
$766
Permit Type:
N/A
Building Type:
N/A
As part of our rebuild from tubs fire we are connecting the home to the sewer line under permit: sew20-0045 one of the steps is to get a destruction permit for the old spetic system that is going to be abandonned mary allen has been working with us on this
Valuation:
N/A
Permit #:
DEM20-0468
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Through our fire rebuild process we decided to connect our home to the sewer line running by. our old septic system was also not working properly and was also dammaged by fema during clean up in this process we heard from prmd we need to apply for septic destrcution permit to terminte the system
Valuation:
N/A
Permit #:
DEM20-0462
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Jacob Lange License info
Verified License
| License # | 979858 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Jacob Lange at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Jacob Lange Employees
JL
Jacob Michael Lange
Owner