Since 1962 family owned and operated Olin Homes Has been building homes in southwest Washington. In 2001 Ron Olin bought some land in the Tri-Cities area of Washington and began his dream of building homes. Olin Homes can build your home on one of their lots or choose your own at prices you can afford. Olin homes build at least 50 homes a year including single and two level homes with up to 2,949 square feet 6 bedrooms and 3.5 bathrooms.