Good maintenance will help retain the market value of your property. Generally, your assessment will not be increased for individual minor repairs such as those that follow; however, a combination of several of these items could result in an increased assessment. Repairing concrete walks and driveways, Replacing gutters and downspouts, Replacing hot water heater, Repairing or replacing roof, Repairing porches and steps, Repairing original siding, Patching or repairing interior walls and ceilings, Exterior painting, Replacing electrical fixtures, Replacing furnaces, Exterior awnings and shutters, Weather stripping, screens, storm windows, doors, Exterior landscaping including lawns, shrubbery, trees, flowers.