Chapter 17.62 - Historic Preservation, Section 17.62.090
Dimensional standards
Servicing
- Geographic extent
- Applies to designated historicHistoric districtAn area where exterior changes need design review to protect its character. resources, landmark districts, and properties eligible for designation citywide.
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Addition threshold for major project500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Construction of a new house or addition greater than 500 square feet on a non-contributing property in a designated landmark or historic district that results in the total square footage of the house exceeding 35% above the median house size of all properties within a 500-foot radius of the subject property.
- Age threshold for evaluation45 years
If an applicant proposes demolition or a major project affecting a building, site, object or structure that is 45 years of age or older, submittal of an application for Historic Resource Evaluation is required.
- Minimum contributing properties60 pct
Within its boundaries, a minimum of 60 percent of the properties qualify as contributing.
- Demolition threshold50 pct
Removal of more than 50 percent of the perimeter walls of a building or structure constitutes demolition.
- Minimum owner support51 pct
A simple majority (51%) of property owners support the designation at the time of designation by the City Council.
- Certificate of Appropriateness required
No person, owner, or other entity shall undertake a major or minor project to a designated historic resource... without first obtaining approval of an application for Certificate of Appropriateness.
From the ordinance
No person, owner, or other entity shall undertake a major or minor project to a designated historic resource or historic resource eligible for designation or new construction in a landmark or historic district as defined in the Category 1, 2 and 3 review procedures in subsection E below without first obtaining approval of an application for Certificate of Appropriateness in compliance with this Section.