Treasurer/ Important Dates Important datesNote: If the due date falls on a Saturday, Sunday, or legal holiday, the due date is moved to the next business day.Date Item due Location Jan. 15Estimated tax payment #4Treasurer's OfficeJan. 31Deadline for purchasing dog tagsTreasurer's OfficeMay 1State income taxCommissioner's OfficeMay 1Estimated tax payment #1Commissioner's OfficeJune 5First half of real estate taxesTreasurer's OfficeJune 15Estimated tax payment #2Treasurer's OfficeSept. 15Estimated tax payment #3Treasurer's OfficeNov. 1Dog tags go on saleTreasurer's OfficeDec. 5Second half of real estate taxesTreasurer's Office Dec. 5Personal property taxesTreasurer's OfficeDec. 5Motor vehicle license feeTreasurer's Office About the Treasurer Dog tags Important Dates Motor vehicle license fees Payment information Personal property taxes Personal Property Tax Search/Payments Real Estate Tax Search/Payments Staff About the Treasurer Dog tags Important Dates Motor vehicle license fees Payment information Personal property taxes Personal Property Tax Search/Payments Real Estate Tax Search/Payments Staff ContactMontgomery CountyGovernment Center755 Roanoke St. Ste. 1BChristiansburg, VA 24073 Phone: (540) 382-5723Fax: (540) 381-6837email | directionsHours: Mon.-Fri.,9 a.m. to 5 p.m.