The 2010-2011 tax rate for the Borough of Mendham is 1.899 per one hundred dollars of assessed value. Tax bills will be mailed the week of July 26th; payment will be due 25 days after mailing date. Contact Tax Collector with any questions you may have. 973-543-7152, ext. 17 M-W-F 9:00 am to 4:30 pm