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Department Description & Map
Property Lines
All property lines and street names in the Town of Smithtown are mapped as are the house numbers for many town parcels. View the map.

The map is not an official document and should only be used as a guide. If your address is incorrect, please email us and we will try to correct it with the next map update.

Mark Riley, P.E.
Town Engineer


124 W. Main St.
Smithtown, NY 11787

Ph: (631) 360-7550
Fax: (631) 360-7559

Monday - Friday
8:00 am - 5:00 pm 

Summer Hours
(July 1 - August 31)
Monday - Friday
8:00 am - 4:00 pm