Updated: May 06, 2026
Location and Projects
Headquarters Address
P O BOX 403, Wellington, NV, 89444
Local address
P O BOX 2043, Sebastopol, CA, 95473
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John J Zwart Construction
John J Zwart Construction at P O BOX 2043, Sebastopol, CA 95473, held a General Contractor license (#697104) with the California contractors license board with an expiration date of 09-30-2027. We last verified the license was inactive on 05-05-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
John J Zwart Construction Services
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John J Zwart Construction Contact Information
Phone Number: (707) 829-0253
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Headquarters Address: P O BOX 403, Wellington, NV, 89444
Local Address: P O BOX 2043, Sebastopol, CA 95473
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Building Permits by John J Zwart Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Use permit/design review for contractors storage yard request for a use permit and administrative design review for a landscape contractor's business with a 6, 116 sq ft office and storage building on a 1.42 acre parcel. this is a reactivation of plp03-0011 that expired in june 2008
Valuation:
$0
Permit #:
PLP08-0127
Status:
EXPIRED
Fee:
$6,435
Permit Type:
N/A
Building Type:
N/A
Use permit for a new winery request for a use permit for a new winery with a maximum annual production capactiy of 20, 000 cases to include conversion of a new agricultural barn and construction of a 5, 000 sq ft wine barrel storage building no public tours tasting or retail sales on 48.37 acres
Valuation:
$0
Permit #:
UPE01-0182
Status:
DONE
Fee:
$5,923
Permit Type:
N/A
Building Type:
N/A
Second unit zoning permit with design review request for a zoning permit and administrative design review for a new 840 sq ft second unit built over a garage on 2.32 acres
Valuation:
$0
Permit #:
PLP05-0091
Status:
DONE
Fee:
$923
Permit Type:
N/A
Building Type:
N/A
Second unit zoning permit request for a zoning permit for an 828 sq ft second dwelling unit with attached 400 sq ft garage on 17.97 acres
Valuation:
$0
Permit #:
ZPE04-0253
Status:
DONE
Fee:
$463
Permit Type:
N/A
Building Type:
N/A
Admin design review for new single family dwelling request for an administrative design review for a new 3172 sq ft single family dwelling on 11.2 acres
Valuation:
$0
Permit #:
ADR05-0099
Status:
DONE
Fee:
$967
Permit Type:
N/A
Building Type:
N/A
Zoning permit for ag employee unit request for a zoning permit for an ag employee unit for an existing horse ranch on 23.2 acres
Valuation:
$0
Permit #:
ZPE04-0274
Status:
DONE
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
Relocation of 3 wine tanks new water heaters
Valuation:
N/A
Permit #:
BLD12-0760
Status:
final
Fee:
$453
Permit Type:
N/A
Building Type:
N/A
Field clearance for future barn
Valuation:
$0
Permit #:
SEP12-0528
Status:
CLEARED
Fee:
$511
Permit Type:
N/A
Building Type:
N/A
See plp08-0127
Valuation:
$0
Permit #:
UPE08-0111
Status:
EXPIRED
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
See plp08-0127
Valuation:
$0
Permit #:
ADR08-0086
Status:
EXPIRED
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Addition new partitions & doors
Valuation:
$7,500
Permit #:
ZZZZ-05-1830
Status:
complete
Fee:
$413
Permit Type:
N/A
Building Type:
N/A
See plp05-0091
Valuation:
$0
Permit #:
ZPE05-0336
Status:
DONE
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
See plp05-0091
Valuation:
$0
Permit #:
ADR05-0100
Status:
DONE
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Converted: as built water heater electrical sub power ref
Valuation:
$500
Permit #:
00006-1560
Status:
expired
Fee:
$123
Permit Type:
N/A
Building Type:
N/A
Replace 40 gal. water heater
Valuation:
$1,200
Permit #:
B2015-0405
Status:
withdrawn
Fee:
$40
Permit Type:
Res-oss
Building Type:
N/A
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John J Zwart Construction License info
Inactive License
| License # | 697104 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 John J Zwart Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $10,000 |
11
Permits
- Building permit records show that John J Zwart Construction has worked on 11 permitted projects.
John J Zwart Construction Employees
JZ
John Joseph Zwart
Sole Owner