Below are some House plans from 1884 the cost of each of the houses to build is listed beside the house. These are houses and cottages that the lower income and farmers could build.
Single Story House $450 - $550 (depending on whether or not you add the half floor pictured below)
Story & One half House $550
Country Cottage $550
For additional house plans from 1884 here's a link to a previous post.
1884 Cottage House Plans