N.J. Stat. § 46:24-20: Blocks, parcels of land and lots to run to center of streets, avenues and roads

For the purpose of notice under this chapter each block or parcel of land required to be separately numbered with a block number in accordance with section 46:24-7 of this title, and also each lot of land in a block, shall be deemed to extend to the middle line of the streets, avenues and roads, then or thereafter laid out on the land map mentioned in said section 46:24-7, fronting and adjoining such blocks and lots respectively.