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Olde Mill Custom home in Orland Park starting in the 500s
Residential Developments

Olde Mill
Ground Breaking


Welcome to Olde Mill, the finest in taste, sophistication that meets your unique style... With a track record of over 35 years helping families and individuals build their dream home with a passion for unique designs and unparalleled quality.

Celtic Developments creates masterpieces which make living an experience of continual luxury and tranquility. From day one our company prides itself on being truly customer-centric, focusing on each individual project to ensure each client receives undivided attention and a caliber of service which is second to none.

No other Developer/builder can offer the complete package which Celtic Development Homes delivers. Few homes are of the caliber and beauty of a Celtic Development home, created with luxury, warmth & character.

Let us treat you to an experience unlike any you have ever known…and discover the true meaning of  " home”, Welcome home to OldeMill.

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