Zillow Advice: Home Buying - What is approximate property tax for new houses 2013 built in Commack, NY http://www.zillow.com/advice-thread/What-is-approximate-property-tax-for-new-houses-2013-built-in-Commack-NY/508868/ Zillow Advice | Zillow Real Estate General rule of thumb for ... http://www.zillow.com/advice-thread/What-is-approximate-property-tax-for-new-houses-2013-built-in-Commack-NY/508868/ General rule of thumb for property tax calculations is 1.25% of the home's value.<br/>I'm not exactly sure on New York however. Tue, 27 Aug 2013 21:57:00 GMT http://www.zillow.com/advice-thread/What-is-approximate-property-tax-for-new-houses-2013-built-in-Commack-NY/508868/ 2013-08-27T21:57:00Z