Vaseeswarar temple is located in a village called Thirupasoor, around from Thiruvallur on the Thiruvallur - Thiruthani road. The temple has a five-tiered gopuram facing South, the gateway tower and all the shrines of the temple are enclosed in concentric rectangular granite walls. The central shrine is approached through the side doors facing South axial to the gateway tower through Parvathi, Murugan and Vinayaka shrines, all of which are parallel to the Shiva shrine. The central shrine facing East houses the image of Vaseeswarar in the form of Lingam. The image has a mark of tool attack and is tilted towards left. The vimana, the roof over the sanctum is Gajabrusta in design (like that of an elephant's seated posture). The shrine of Pasupathi Nayagi (also called Mohanambal), facing East has a gopuram type roof. The central shrine is approached through a Mahamandapam and Arthamandapam. As in other Shiva temples in Tamil Nadu, the shrines of Vinayaka, Murugan, Navagraha, Chandekeswara and Durga are located around the precinct of the main shrine. The second precinct has a four pillared hall and garden around the periphery of the compound wall. There are image of Saptamatrika and Srichakra consecrated by Adi Shankara in the temple.