License holder summary

DONALD HARYFORD COSTELLO is a Professional Engineers licensed to practice in Maryland. The address on file for DONALD HARYFORD COSTELLO is 1689 COUNTRY VISTAS LANE, Bonita 91902.

Maryland

Division of Occupational and Professional Licensing

DONALD HARYFORD COSTELLO
Professional Engineers
License number
25224
Class
Professional Engineers
Status
Address
1689 COUNTRY VISTAS LANE
licensingmd.com
ID 45929404
LAST UPDATED 2026-04-02 19:19:22 UTC

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