License holder summary

Mark L. Letterman is a Plumbing - Master Hvacr licensed to practice in Delaware. The address on file for Mark L. Letterman is Hartly DE 19953. This licensed professional license is current. The license was granted 03/30/2007 and expired on 10/31/2014.

Delaware

Division of Professional Regulation

Mark L. Letterman
Plumbing - Master Hvacr
License number
HM-0000019
Date granted
03/30/2007
Date expires
10/31/2014
Class
Plumbing - Master Hvacr
Status
Active
Address
Hartly DE 19953
delawarelicensing.com
ID 20735231
LAST UPDATED 2026-05-10 13:49:28 UTC

This website is unaffiliated with the Division of Professional Regulation. Please verify all information directly with the relevant official government authority.

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