Ireth, LLC Apartments: an owner managed building in Lambertville, New Jersey. Located on the Delaware river, Lambertville is a quaint town offering an easy commute to NYC via bus or train. Learn more about the apartments by clicking through the tabs on the left. Learn more about the town by clicking on the "Internet Links" tab. If you have any questions not answered on the site or would like an appointment to see an apartment, please click on the e-mail tab to send us a note.