Assessor Department and Tax Department Contact Form Before submitting your inquiry, please be sure to check our Frequently Asked Questions. Tax Department FAQ Assessors Office FAQ Submission is in regard to * - Select -Assessment of my property / business / vehicleCan I appeal the value of my propertyCan I make a partial payment of my tax billCan I write one check for all taxes dueChange of mailing address for my house/business/car tax bill (non-Sewer Use)Change of address on Sewer Use onlyHow can I pay my taxesI'm being taxed for a vehicle I no longer ownI didn’t get a tax bill on my vehicle(s)I opened a new businessI received a tax bill for a business I closed/movedI received a tax bill for my car and no longer live in SimsburyQuestion regarding Sewer Use BillingTax Payment QuestionProperty Tax ReliefI have a leased vehicleTax Exempt Property Name * Address * Description / Explanation for submission * Email Address * Leave this field blank