Updated: Jun 09, 2026
Location and Projects
Address
19731 330TH AVE NE, Duvall, WA, 98019
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John H Knapp Company Construction
John H Knapp Company at 19731 330TH AVE NE, Duvall, WA 98019, held a General Contractor license (#WILLOS*833DN) with the Tukwila contractors license board with an expiration date of 03-15-2019. We last verified the license was expired on 03-26-2026.
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 128,670 Washington 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 H Knapp Company Services
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John H Knapp Company Contact Information
Phone Number: (206) 931-8746
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Address: 19731 330TH AVE NE, Duvall, WA 98019
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct bathroom addition (no change in existing footprint) and interior alts for bathroom remodel all to existing single family residence subject to field inspection (stfi)
Valuation:
$0
Permit #:
701849
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct attached deck addition to existing single family residence. per plot plan. complete and final permit #643431. subject to field inspection. (stfi)
Valuation:
$0
Permit #:
727037
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alter single family residence foundation. replace footings for bearing replace cmu stemwalls w concrete. subject to field inspection (stfi)
Valuation:
$0
Permit #:
721862
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To 2nd story bedroom of ofd subj to field inspect
Valuation:
$0
Permit #:
611876
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace extg retaining wall stfi
Valuation:
$0
Permit #:
616578
Status:
Expired Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct det. garage acc. to single family residence
Valuation:
$0
Permit #:
641386
Status:
Finaled Permit
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$17,452
Permit #:
B-00-0018
Status:
Closed Building Permit - COO/CC Issued
Fee:
$590
Permit Type:
166 sqft snrm/111...
Building Type:
N/A
Check notes for description
Valuation:
N/A
Permit #:
B-00-0018
Status:
building finaled
Fee:
$590
Permit Type:
Remodel major
Building Type:
N/A
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John H Knapp Company License info
Inactive License
| License # | WILLOS*833DN |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Individual |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 H Knapp Company at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | WILLOS*833DN |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 H Knapp Company at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | JOHNHHK891M2 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 H Knapp Company at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | JOHNHKC983QA |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 H Knapp Company at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are John H Knapp Company, click “This is My Business” to update your information.
Insured
| Insurer | Cbic |
| Insured up to | $300,000 |
Bonded
| Bonded Agent | CBIC |
| Bond Value | $12,000 |
8
Permits
- Building permit records show that John H Knapp Company has worked on 8 permitted projects.
John H Knapp Company Employees
EK
Endicott, Kate
Owner
JK
John Knapp
Owner
KE
Kate Endicott
Owner
KH
Knapp, John H
President