Home/Washington/Plumbers/Dianna Del Giorgio

Dianna Del Giorgio

Adagio Backflow Testing

ACTIVE

License Information

License Number
WA-ADAGIBT759RA
License Type
Backflow Specialty
License Class
PC - 30
Issue Date
12/18/2025
Expiration Date
12/18/2027

Contact & Location

Phone
(360) 223-2216
Address
1435 RAILROAD AVE
City
Bellingham
ZIP Code
98225
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Data sourced from: Washington L&I
Last verified: 2/22/2026

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Disclaimer: The information on this page is sourced from publicly available state licensing board databases and is provided for informational purposes only. LicensedCheck is not a government agency and cannot guarantee the accuracy or completeness of this data. License status may have changed since our last verification. Always confirm license status directly with the Washington L&I before making hiring decisions.