Updated: Feb 13, 2026
Location and Projects
Address
P O BOX 777, Watsonville, CA, 95077
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Greenhouse System Usa Construction
Greenhouse System Usa, Watsonville, Po Box 777, Watsonville, CA (Employees: Gerrit Hermen Kolbach, Jan Bosman, and Peter John Fryn) holds a General Building license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Greenhouse System Usa, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Greenhouse System Usa Services
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Greenhouse System Usa Contact Information
Phone Number: (831) 722-1188
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Address: P O BOX 777, Watsonville, CA 95077
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Greenhouse System Usa Watsonville
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Greenhouse System Usa has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Greenhouse System Usa 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
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $500,000. 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.
Building Permits by Greenhouse System Usa
This is a sample of this contractor's permits. Click here to access their complete permit history.
New greenhouses with glass rooves aluminum glazing aluminum gutters hot dipped galvanized frame glass interior walls and exterior side walls. 8mm polycarbonate interior and end walls. this permit does not include the foundation electrical mechanical or any plumbing
Valuation:
N/A
Permit #:
22CP03951
Status:
applied
Fee:
$1,965
Permit Type:
N/A
Building Type:
N/A
To partially clear 22ce00486 demolish unpermitted electrical work remove subpanels remove air conditioning units and cap underground conduit
Valuation:
$100
Permit #:
25CP02344
Status:
issued
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
Ce: demolition of (2) non-conforming greenhouse under (separate permit (1) processing building 2400 sq ft (1) 12x20 sq ft bldg.)
Valuation:
$45,000
Permit #:
BLD24-00062
Status:
issued
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
Raise existing greenhouses 1 & 3 by elevating 5' by installing posts and jacks.
Valuation:
$60,000
Permit #:
19CP03132
Status:
applied
Fee:
$1,081
Permit Type:
N/A
Building Type:
N/A
To clear 17ce00221: after-the-fact demolition and reconstruction of two existing greenhouses of 41, 832 square feet and 67, 728 square feet. grading to consist of 2, 888 cubic yards of cut and 2, 888 cubic yards of fill to install stormtech chambers
Valuation:
$900,000
Permit #:
17CP01847
Status:
applied
Fee:
$85,345
Permit Type:
N/A
Building Type:
N/A
Install two bedroom 26.66x66 double wide manufactured home on permanent foundation to be utilized as second caretaker quarters accessory to existing warehouse - all fees previously paid on k201507860
Valuation:
N/A
Permit #:
K201602485
Status:
final
Fee:
$24,993
Permit Type:
N/A
Building Type:
N/A
Commercial project to building new green house 439 824 square feet: 3 new water tanks 42 000 gallons each: include new electrical lines gas lines water lines. phase 1 per pln080151.cross st hwy 101 south
Valuation:
$1,275,490
Permit #:
BP082208
Status:
final
Fee:
$18,860
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$2,032,646
Permit #:
17CP02063
Status:
final
Fee:
$58,617
Permit Type:
N/A
Building Type:
N/A
Electrical and plumbing acc to an exis warehouse (k201500854) and to energize 2 mobile homes set on same site ( k201507860 & k201507555) revised plans to addition site plans and floor plan approved and issued 5/3/16
Valuation:
$200,000
Permit #:
K201507423
Status:
final
Fee:
$2,269
Permit Type:
N/A
Building Type:
N/A
New 148, 000 square foot greenhouse resubmittal # 1 - jpb - 08/08/00 - erosion control and landscaping plan resubmittal # 2 - jpb - 08/17/00 additional foundation details resubmittal #3 tn 9/5/00 - as per fire department revision #1 tn 3/6/01 - site plan showing utilities specs on boiler resubmittal #1 to revision #1 mjp 3/13/01 - additional info per kxc plan check revision # 2 - jpb ... see more
Valuation:
$1,187,000
Permit #:
BLD2000-00863
Status:
final
Fee:
$13,389
Permit Type:
N/A
Building Type:
N/A
Eng. grading for future commercial. building. (see permit #k201500854).......4, 350 cy
Valuation:
N/A
Permit #:
K201506034
Status:
final
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Construct shade structure for phase one - 40, ooo sq. ft. +/-. with electric pump for shade closure. resubmittal - jpb - 07/26/94 - location of existing farm labor housing. revision 01-10-95 slg - addition 100 amp breaker panel lighting and outlets
Valuation:
N/A
Permit #:
BLD94-0425
Status:
final
Fee:
$1,777
Permit Type:
N/A
Building Type:
N/A
Demolish existing greenhouse & replace with new greenhouses in same location. existing boiler & existing 400 amp service to remain re-install vent motors. revision #1 05-23-95 slg - addition concrete slab 4 1/2 thick for work area & walk way
Valuation:
N/A
Permit #:
BLD95-0096
Status:
final
Fee:
$2,451
Permit Type:
N/A
Building Type:
N/A
Install new 1, 716 sq ft (2) bedroom mobile home accessory to commercial warehouse (k201500854) revised foundation plans 4/19/16
Valuation:
N/A
Permit #:
K201507555
Status:
final
Fee:
$15,653
Permit Type:
N/A
Building Type:
N/A
Commercial alteration or addition - plan check-permit
2004-12-08
Cross street: rainbow hills description of work: 115, 050 sqft steel frame shade structure (open on all 4 sides w dirt floor) for barcelo nursery
Valuation:
$172,575
Permit #:
PDS2004-1021-20040255
Status:
complete
Fee:
$451
Permit Type:
N/A
Building Type:
N/A
Construction of a 276 587 sq ft greenhouse
Valuation:
$3,309,044
Permit #:
11CP01128
Status:
final
Fee:
$12,184
Permit Type:
N/A
Building Type:
N/A
Replace 3 greenhouses with 3 new greenhouses resubmittal #1 mjp 5/2/02 - corrections per syc - footing details
Valuation:
$100,000
Permit #:
BLD2002-00246
Status:
final
Fee:
$2,813
Permit Type:
N/A
Building Type:
N/A
Legalize 14 greenhouses installed without permits to replace existing old greenhouses - 30 electrical. vent motors and 6 electrical. curtin motors
Valuation:
N/A
Permit #:
BLD95-0172
Status:
final
Fee:
$6,506
Permit Type:
N/A
Building Type:
N/A
Demolish & replace two greenhouses (footprint not changing) - existing heat & irrigation to remain - new electrical. motors
Valuation:
N/A
Permit #:
BLD95-1571
Status:
final
Fee:
$2,083
Permit Type:
N/A
Building Type:
N/A
Greenhouses/drying room/boiler room with electric vents curtins system heating irrigation and gas piping
Valuation:
N/A
Permit #:
BLD98-0789
Status:
final
Fee:
$3,307
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Greenhouse System Usa License info
Verified License
| License # | 602049 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Greenhouse System Usa at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Contractor's Bond History |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
25
Permits
- Building permit records show that Greenhouse System Usa has worked on 25 permitted projects.
Greenhouse System Usa Employees
GK
Gerrit Hermen Kolbach
Officer
JB
Jan Bosman
Ceo/President
PF
Peter John Fryn
Rmo/Ceo/Pres