The King County Assessor’s Office will soon begin physical inspections of all properties in Issaquah and north Sammamish. The inspections, which will also include the Lakemont neighborhood of Bellevue, will determine property valuations that go on to affect landowners’ property tax bills based on their local tax rates.

Most years, county Assessor Lloyd Hara and company determine property valuations from statistical models that take into account factors like the selling price of comparable land plats. Properties are inspected physically — grouped by city or neighborhood — once every six years.

Physical inspections allow for assessment teams to check for property changes that wouldn’t necessarily show up in a statistical analysis.

“If, for example, you had a view property and you’ve lost your view, we can take that into account,” Sit said.

An official start date has not been set for the physical inspections, Sit said. The Assessor’s Office has generally scheduled its inspections from fall 2015 to spring 2016.