Umran Gunsel and Sahin Gunsel have listed for sale a four-bedroom, 3.5-bath home at 307 Hoffman St. in Colma for $549,500.

The Gunsels paid $636,000 for the property in Feb. 2004. The 2,120-square-foot house was built in 2000 in the Hoffman Court subdivision. Raymond Grinsell of Founder Real Estate Services is the listing agent for the home.

Umran Gunsel has been an assistant professor of multimedia and assistant professor of instructional designer at DLI, an E-learning company.

Umran Gunsel received an M.A. in Instructional Technologies from San Francisco State University.

According to BlockShopper.com, there have been 21 home sales in Colma during the past 12 months, with a median sales price of $499,500.

Address: 307 Hoffman Street