Washington State Labor & Industries’ contractor license dataset lists WORKING PROOF LLC as a construction contractor with the general-contractor specialty. As observed on 2026-10-02, the dataset listed WORKIPL754NR (ACTIVE, expires 08/19/2027). Its listed mailing address is 522 W RIVERSIDE AVE, STE N, SPOKANE, WA 99201, and its listed business phone is 5095570564. L&I describes these as contractor-reported records; the mailing address and phone have not been independently confirmed.
Directory information score for WORKING PROOF LLC
Fixed points summarize recorded information, not service quality. Missing data adds no points and may explain a lower score. Listed credentials and press mentions are not independently verified by this score.
Public rating
N/A/5 → 0 / 35 points
Review Volume
0 reviews → 0 / 20 points
Listed credentials
None listed → 0 / 5 points
Listed press mentions
0 mentions → 0 / 3 points
Web Presence
0 / 20 points
Recorded history
N/A → 0 / 2 points
Profile information
6 / 15 points
Key facts
Based in
SPOKANE, WA
Address
522 W RIVERSIDE AVE, STE N
Phone
5095570564
Budget tier
Contact firm
Licensed in
WA
Frequently asked questions
What services does WORKING PROOF LLC offer?
WORKING PROOF LLC's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.
What is WORKING PROOF LLC's typical project cost?
Cost information for WORKING PROOF LLC is not published in our directory. Contact the firm directly at 5095570564 for a project-specific quote.
Where is WORKING PROOF LLC located and what areas do they serve?
WORKING PROOF LLC is based in SPOKANE, WA and lists licensing in WA. Confirm current standing with the relevant regulator.
How do I hire WORKING PROOF LLC?
To hire WORKING PROOF LLC: call 5095570564. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.
Published statements, observation dates and unresolved questions for this specific profile.
Mailing address and phone reported to Washington L&I
Matched to a register
L&I lists the mailing address as 522 W RIVERSIDE AVE, STE N, SPOKANE, WA 99201, and the business phone as 5095570564 for the registration record(s) listed on this profile.
These are mailing address and business phone fields in the Washington L&I contractor dataset, not an independently verified work location or confirmed working phone. The source dataset metadata showed a last update on 2026-09-29 and was captured 2026-10-02.
The contact fields come from the same official L&I registration row identified by license number; L&I’s dataset describes the address as mailing address and phone as the business phone supplied in that record.
Reviewed 2026-10-02 · Review due 2026-10-16 · Version 1
Washington L&I general-contractor registration
Matched to a register
Washington L&I’s contractor dataset lists WORKING PROOF LLC with the GENERAL general-contractor specialty registration(s): WORKIPL754NR (ACTIVE, expires 08/19/2027).
The official dataset labels these contractor registrations ACTIVE as observed 2026-10-02 and reports the listed expiration dates. This is a dated registry snapshot, not a guarantee of status after that date, insurance, permits, work quality, or suitability.
The state’s public contractor dataset was downloaded on 2026-10-02; its metadata showed a last update of 2026-09-29. The source row was required to have ACTIVE status, general-contractor specialty, and an expiration date on or after 2026-10-02.