Research fisheries biologist buys in Wallingford

Medium 9808e2fef38c6016540c961d22ec2357 Carwyn F. Hammond bought a two-bedroom, one-bath home at 3435 Densmore Ave. N. in Wallingford from Jonathan D. Castrodale and Mary Katherine Ropp for $449,000 on Nov. 2.

Ropp and Castrodale paid $177,000 for the property in January 2007. The 1,800-square-foot home was built in 1923 in Lake Union.

Hammond is a research fisheries biologist at the National Oceanic and Atmospheric Administration.

He received an M.S. in fisheries from the University of Washington-Seattle.

Castrodale is a senior associate at Point B Inc., a management consulting firm.

He previously was vice president of professional services at RBE Inc. and as an engineering program manager at Boeing.

He received his B.A. and M.E. in aerospace engineering from Iowa State University.

According to, there have been 102 home sales in Wallingford during the past 12 months, with a median sales price of $512,500.

Address: 3435 Densmore Avenue N
Buyer(s): Carwyn F Hammond
Seller(s): Jonathan D Castrodale and Mary Katherine Ropp
Sale date: Nov. 2, 2010