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Historic Preservation in Union City, CA (2026)

1 verified historic preservation rules for Union City, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Historic-Cultural Monuments

Union City requires administrative or Planning Commission approval before altering, adding to, or reconfiguring a structure designated a cultural resource or landmark in its Landmark and Historic Preservation Overlay Zone.

Cultural Resource Permits in Union City, CA

Significant Restrictions

Union City Municipal Code § 18.106.300

No person shall perform any work listed in this subsection on a structure in the LHP zone without first obtaining administrative site development review approval from the Director as set forth in Sections 18.72.050 through 18.72.105: 1. Second story additions to a historic residence; 2. Exterior remodel or redesign of a historic residence; 3. New accessory structure over 120 square fee...

Looking for Alameda County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Union City city rules.

Historic Preservation in Alameda County