Updated: Apr 19, 2026
Location and Projects
Address
855 TROSPER RD SW STE 108-230, Tumwater, WA, 98512
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Backflo Pro's Construction
Backflo Pro's Inc, 855 Trosper Rd SW, Tumwater, WA (Owned by: Owner) holds a Construction Contractor, Irrigation/Sprinkling Systems license and 2 other licenses according to the Tukwila license board.
Their BuildZoom score of 94 ranks in the top 24% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Backflo Pro's Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Backflo Pro's Inc Services
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Backflo Pro's Inc Contact Information
Phone Number: (609) 516-1300
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Address: 855 TROSPER RD SW STE 108-230, Tumwater, WA 98512
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This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
2018-0091-PLMB
Status:
issued
Fee:
$93
Permit Type:
plumbing commercial
Building Type:
N/A
Installation of a 1 backflow valve for domestic waterline
Valuation:
N/A
Permit #:
TUM-13-0779
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Installation of a 1 double check backflow valve on domestic water line
Valuation:
$200
Permit #:
DSD-09-0833
Status:
final
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Installation of a 2 rpba backflow device on domestic waterline
Valuation:
N/A
Permit #:
DSD-10-0919
Status:
final
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Installation of a reduced pressure backflow valve on domestic water line * * * permit expired - no final * * *
Valuation:
N/A
Permit #:
DSD-07-000082
Status:
expired
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Install backflow device on domestic water line * * * permit expired - no final * * *
Valuation:
N/A
Permit #:
DSD-09-0414
Status:
expired
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Install 2 backflow preventer on domestic waterline * * * permit expired - no final * * *
Valuation:
N/A
Permit #:
DSD-09-0500
Status:
expired
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Installation of a double check backflow valve on domestic waterline * * * permit expired - no final * * *
Valuation:
N/A
Permit #:
DSD-09-0465
Status:
expired
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Installation of a 1 backflow device for domestic waterline * * * expired - no final * * *
Valuation:
N/A
Permit #:
TUM-15-0442
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of a backflow valve * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0015
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of a 2 backflow valve * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0472
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of a 2 backflow valve * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0471
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of a double check backflow valve on irrigation system * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0553
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of a 2 backflow valve for the domestic waterline to the clubhouse * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0746
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Installation of 2 backflow device * * * expired * * *
Valuation:
N/A
Permit #:
TUM-16-0814
Status:
expired
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
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Backflo Pro's Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Backflo Pro's Inc License info
Verified License
| License # | BACKFPI933P6 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Irrigation/Sprinkling Systems |
| Class | Corporation |
| Business Type | Corporation, Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Backflo Pro's Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BACKFPI933P6 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation, Individual |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Backflo Pro's Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | BACKFP 945ND |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Air Conditioning, Plumbing |
| Business Type | Corporation, Individual |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Backflo Pro's Inc with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Western National Assur Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Lexon Ins Co |
| Bond Value | $6,000 |
15
Permits
- Building permit records show that Backflo Pro's Inc has worked on 15 permitted projects.
Backflo Pro's Inc Employees
MS
Mayfield, William S
Owner
O
Owner
Owner
WM
William Mayfield
President