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Santa Cruz County, CA Historic Preservation: Historic-Cultural Monuments (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing chapter
SCCC Ch. 16.42, Historic Preservation
Reviewing body
Historic Resources Commission (Ch. 2.58)
Protected ratings
NR-1 through NR-5
Recording deadline
90 days after Board designation
Penalty
Misdemeanor, SCCC § 1.12.030 & Ch. 19.01
Appeal path
Board of Supervisors, SCCC § 18.10.310

Summary

Santa Cruz County designates historic resources by Board of Supervisors resolution under SCCC § 16.42.050, ranking each NR-1 through NR-5. Once listed, exterior changes, new construction, relocation, or demolition all require a historic resource preservation plan approved by the Historic Resources Commission.

These county ordinances apply to unincorporated areas of Santa Cruz County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

(A) Protected Historic Resources. The Santa Cruz County historic resources inventory shall consist of those structures, objects, properties, sites, and districts as designated by certified resolution of the Board of Supervisors and thereby incorporated by reference and made a part of this chapter... (B) Rating of Significance... designated historic structures, objects, sites and districts shall be assigned a National Register (NR) Rating Code for historic significance... as follows: (1) NR-1. A property listed in the National Register of Historic Places. (2) NR-2. A property that has been determined to be eligible for listing on the National Register... (5) NR-5. A property determined to have local historical significance. (C) Designation Criteria. Structures, objects, sites and districts shall be designated as historic resources if, and only if, they meet one or more of the following criteria and have retained their architectural integrity and historic value: (1) The resource is associated with a person of local, State or national historical significance.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 5004302; v11 updated 2026-05-19; through 05-19-2026).

Full Breakdown

42 (Historic Preservation) governs any structure, object, site, or district the County lists in its historic resources inventory. 58 SCCC) assigns a National Register (NR) rating: NR-1 covers properties already listed on the National Register of Historic Places, NR-2 and NR-3 cover properties eligible or believed eligible for listing, NR-4 covers properties with potential future eligibility pending more research, and NR-5 covers properties of local historical significance only; only NR-1 through NR-5 ratings trigger chapter requirements, while an NR-6 rating flags a property evaluated and found ineligible.

050(C) requires that a resource meet at least one of four criteria and retain architectural integrity: association with a historically significant person, association with a historic event, representation of a distinct architectural style or master builder's work, or the likelihood of yielding important historical information. 050(D)-(E). 040 bars any material change to the exterior, new construction (including fences and decks), relocation, or demolition affecting the resource unless the Historic Resources Commission has approved a historic resource preservation plan; demolition of noncontributing structures in a historic district is exempted. 050(F).

Violations & Fines

Violating any provision of Chapter 16.42 is a criminal misdemeanor under § 16.42.120(A), with the penalty set by SCCC § 1.12.030 and Chapter 19.01. The same conduct is separately treated as a land use violation subject to civil enforcement under Chapter 19.01 per § 16.42.120(B), so the County can pursue criminal and civil remedies concurrently. Anyone aggrieved by a Historic Resources Commission act or determination can appeal directly to the Board of Supervisors under SCCC § 18.10.310 et seq., per § 16.42.110(A).

Frequently Asked Questions

What ratings make a Santa Cruz County property a protected historic resource?
Properties rated NR-1 through NR-5 under § 16.42.050(B) are subject to the chapter, ranging from properties already on the National Register (NR-1) down to properties of only local historical significance (NR-5). A property rated NR-6 has been evaluated and found ineligible and carries no restrictions.
Can I remodel a house the County has designated historic?
Not without a historic resource preservation plan approved by the Historic Resources Commission. Section 16.42.040(A)-(B) bars any material exterior change, new structure, relocation, or demolition affecting a designated resource until the Commission signs off on a plan.
What happens if I alter a designated property without approval?
Section 16.42.120 makes any violation of Chapter 16.42 a misdemeanor under SCCC § 1.12.030 and Chapter 19.01, and treats the same act as a civil land use violation under Chapter 19.01, so both criminal and civil enforcement can apply.
How does a property get added to or removed from the historic inventory?
The Historic Resources Commission reviews and recommends, then the Board of Supervisors acts by certified resolution after a public hearing noticed under SCCC §§ 18.10.117-18.10.119, per § 16.42.050(D). Findings under § 16.42.050(E) must support either inclusion or deletion.

Sources & Official References

Other rules in Santa Cruz County

All Santa Cruz County rules

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