eureka valley historic context statement. it was written by elaine styles for the oeureka valley neighborhood association. the eureka valley study area encompasses all or a portion of 29 city blocks bounded by 16th, market and 17th, sanchez and church, and douglas. the study period states just before permanent european settlement in the region to 1976. the end date extends the study period 10 years beyond the 50-year cutoff date. it calls out influential themes, geographic patterns and time periods. the statement identifies key associated property types, forms and architectural styles and offers a detailed discussion of areas of significance, criteria, considerations, and integrity thresholds. outreach activities associated with the development included efforts to enlist assistance from castro valley residents and developing the material. also a project email address was established for community members to contact the project team and a project page was created on the planning department's website. regular communication was provided through the newsletter and neighborhood association meetings and staff pr