Local zoning · Sutter County

Sutter County — Historic Preservation

Historic Preservation under the Sutter County local zoning and planning code, with the controlling citations.

Last reviewed: July 6, 2026

Overview

In unincorporated areas of Sutter County, historic preservation is implemented primarily through the Historic Preservation (HP) Combining District, an overlay applied by rezoning to specific parcels that contain recognized historic resources. The overlay supplements the underlying zoning; base uses and standards still apply unless HP provisions modify them (§ 1500-08-050; § 1500-08-010) . This page explains how the HP district works, who reviews changes to historic structures, and how related overlays (notably the Sutter Buttes Overlay) intersect with historic and cultural resource protection in the county’s unincorporated areas (§ 1500-01-030) .

The single most important rule: On a parcel zoned -HP, any exterior work that needs a building permit on a recognized historic building requires an Administrative Permit design review against the Secretary of the Interior’s Standards; staff or the Historic Preservation Review Committee are the decision-makers (§ 1500-08-050(H); § 1500-23-050) .

Before you start, see the countywide zoning overview and how overlay districts interact with base zoning.

Districts that govern Historic Preservation in unincorporated Sutter County

Historic Preservation (HP) Combining District

Purpose
- Preserve, rehabilitate, restore, reconstruct, and protect historic and cultural resources; promote public awareness and use of historic resources in unincorporated areas (§ 1500-08-050(A)) .
Where it applies
- To any parcel rezoned to add the “-HP” suffix (e.g., R-1-HP) through a rezone application; the HP overlay may be combined with any base district (§ 1500-08-050(C)) .
What counts as “historic”
- “Historic Building or Structure” means a building/structure on property the Board of Supervisors has rezoned to -HP (§ 1500-08-050(B)(1)) .
- “Qualified Historical Property” includes resources listed in the National Register or a state/county register (§ 1500-08-050(B)(2)) .
Typical permitted uses
- Same as the underlying/base zoning (permitted and use-permit uses), provided it is demonstrated those uses do not adversely affect the historic or cultural site/building (§ 1500-08-050(E)(1)) .
Key dimensional standards
- Base-district development standards apply; limited height flexibility is allowed for original architectural features (towers, spires, chimneys, cupolas, water tanks, etc.) up to 25 feet above the base district height limit, with documentation acceptable to the Director (§ 1500-08-050(E)(2)) .
Review and approvals
- Exterior modifications requiring a building permit to a recognized historic building trigger an Administrative Permit design review; staff checks consistency with the previously prepared professional report and the Secretary of the Interior’s Standards (§ 1500-08-050(H)(1)-(2)) .
- Within the HP district, the Historic Preservation Review Committee approves Administrative Permits and may assume the Planning Commission’s role as specified in Article 23 (§ 1500-23-050) .
Establishing the -HP designation
- Rezoning is required. Submittals vary depending on whether the owner seeks Mills Act participation. All applications are referred to the Historic Preservation Review Committee to identify character-defining features and candidacy (§ 1500-08-050(C)(1)-(4)) .
- Rezone applications are processed under § 1500-25-070; fees set by Board resolution (§ 1500-08-050(C)) .
Disestablishing the -HP designation
- Requires a rezone application with supporting evidence that the site is no longer of historical significance. If a Mills Act contract encumbers the property, the owner must first cancel or let it expire via non-renewal before applying (§ 1500-08-050(D)) .
Removal/relocation
- Removing a historic building on -HP property requires a Removal and Relocation permit and the appropriate environmental document; the Planning Commission approves the permit (§ 1500-08-050(G)(1)) .
- Relocation requires rezoning the destination site to -HP before moving the building (§ 1500-08-050(G)(2)) .
Incentives
- The Board of Supervisors may adopt incentives by resolution for -HP-designated properties (§ 1500-08-050(F)) . Verify current incentives with the County.
Plaques and signage
- Nonilluminated historic identification plaques up to 2 sq ft are allowed on -HP properties with Board approval (§ 1500-08-050(J)) . Other signs must comply with Article 21 and the county’s signage rules (see also Article 21 reference) .
Who sits on the Committee
- The Historic Preservation Review Committee has three members (plus three alternates), appointed by the Board; members have knowledge in architecture, historic preservation, and/or history. Quorum is three. Determinations are appealable to the Board under § 1500-23-080 (§ 1500-08-050(I)) .

Sutter Buttes (SB) Overlay — related cultural/historic resource overlay

Purpose and scope
- Preserves the cultural, historic, geologic, and visual values of the Sutter Buttes; applied with the AG base district to the Buttes as defined on Figure 1500-08-1 (§ 1500-08-020(A)-(C)) .
Applicability and standards
- Applies to new structures visible from public roads or adjacent residences; includes siting, height, lighting, landscaping, and visibility performance standards (§ 1500-08-020(B), (D)) .
- Requires Zoning Clearance with visual analysis and public notice of intent prior to approval (§ 1500-08-020(E)) .
Uses and dimensions
- Base AG uses and standards remain, but the overlay’s performance standards control siting and design to maintain views and protect resources (§ 1500-08-010; § 1500-08-020(D)) .

Key HP Standards and Procedures (unincorporated areas)

Topic	What it means in practice	Code Reference
Applying the -HP overlay	Rezone any base-zoned parcel; submit owner statement, site plan, photos, and either justification or a professional historic report (Mills Act path)	§ 1500-08-050(C)(1)-(4); § 1500-25-070 (process reference)
Committee review on establishment	Historic Preservation Review Committee identifies character-defining features and candidacy	§ 1500-08-050(C)(2)
Allowed uses under -HP	All base-district permitted and use-permit uses are allowed if no adverse effect on the historic resource	§ 1500-08-050(E)(1)
Height exceptions for original features	Original towers/spires/chimneys/cupolas/water tanks may exceed base height by up to 25 ft with documentation	§ 1500-08-050(E)(2)
Exterior alterations review	Administrative Permit required; staff applies the Secretary’s Standards and the property’s historic report	§ 1500-08-050(H)
Who approves within -HP	Historic Preservation Review Committee approves Administrative Permits and can assume Planning Commission’s role	§ 1500-23-050
Removal/relocation	Removal requires a permit and CEQA document; destination site must be rezoned -HP before relocation	§ 1500-08-050(G)
Incentives	Board may adopt incentives for -HP properties by resolution	§ 1500-08-050(F)
Historic plaques	Nonilluminated plaques ≤2 sq ft allowed on -HP structures with Board approval	§ 1500-08-050(J)

For how HP interacts with countywide development standards, design review, and zoning, see the linked pages.

Practical guidance

Start with zoning: Confirm whether the parcel already carries the -HP suffix on the County Zoning Map. Overlays supplement base zoning; where multiple overlays could conflict, the Director determines the applicable requirement (§ 1500-08-010) .
Expect a preservation lens: Under -HP, your base entitlements stay, but your project must not adversely affect the recognized resource (§ 1500-08-050(E)(1)) .
Plan for early Committee input: The Historic Preservation Review Committee is your key forum for identifying character-defining features and navigating alterations (§ 1500-08-050(C)(2), (H), (I)) .
Keep documentation tight: Height exceptions for original architectural elements require photographic or equivalent documentation acceptable to the Director (§ 1500-08-050(E)(2)) .
Mind other regulations: If your project implicates building code alternatives for historic resources, those live under the California Historical Building Code within the California Building Standards Code; Sutter County’s HP provisions reference those state standards without duplicating them (§ 1500-08-050(C)(3)(d)) .

Checklist

Verify that your site is in unincorporated Sutter County and check if the parcel is zoned with the -HP combining district (§ 1500-01-030; § 1500-08-050) .
If seeking to establish -HP, prepare a rezone application with required materials (owner statement, site plan, photos, and either a justification statement or a qualified professional’s report if pursuing Mills Act) (§ 1500-08-050(C)(1)-(4)) .
Coordinate with staff for Historic Preservation Review Committee review to identify character-defining features (§ 1500-08-050(C)(2)) .
For exterior work on a recognized historic structure, submit an Administrative Permit package with elevations; staff will review against the Secretary’s Standards and the prior historic report (§ 1500-08-050(H)) .
If proposing to remove or relocate a historic structure, obtain a Removal and Relocation permit and ensure the destination site is rezoned -HP before moving (§ 1500-08-050(G)) .
If signage is desired, consider a historic identification plaque (≤2 sq ft, nonilluminated) and confirm any other signs comply with county signage rules (§ 1500-08-050(J)) .
If standards pose hardship, explore variances and exceptions; approvals must still avoid adverse effects on the resource (§ 1500-08-050(E)(1)) .

Risks & Ambiguities

Issue	Why it matters	What to verify
Is the building “recognized” as historic?	HP rules apply to recognized historic buildings on -HP parcels; status governs review triggers	Confirm -HP zoning and whether the structure is the one recognized (§ 1500-08-050(B)(1))
What are the “character-defining features”?	These features guide what alterations are acceptable	Obtain/consult the Committee’s determinations and the qualified professional’s report (§ 1500-08-050(C)(2); (H))
How to prove height exceptions are for “original” features	Documentation standard affects whether a spire/cupola can exceed height limits	Discuss acceptable evidence with the Director early (§ 1500-08-050(E)(2))
Mills Act participation	Triggers specific submittals and ongoing maintenance consistent with preservation standards	Confirm current Mills Act procedures and any Board-adopted rules (§ 1500-08-050(C)(3)-(4))
Incentives availability	Incentives are by Board resolution and not codified in detail	Request current incentive list from County staff (§ 1500-08-050(F))
Overlays in conflict	Multiple overlays can impose overlapping rules	The Director decides which standards govern where conflicts arise (§ 1500-08-010)
Who is the final approver?	Within -HP, the Committee may approve Administrative Permits and assume Planning Commission roles	Clarify approving authority and appeal path for your application (§ 1500-23-050; § 1500-23-080)
Interaction with nonconforming situations	Existing nonconforming conditions may affect project scope	Not found in retrieved materials; see Nonconforming Uses.

Plain-English Summary

If your unincorporated Sutter County property has the -HP overlay, you keep your base zoning rights, but any exterior work that needs a building permit on the recognized historic building must go through an Administrative Permit design review focused on preserving character-defining features. New HP designations happen by rezoning, with input from the Historic Preservation Review Committee; removing or moving a historic building needs a special permit and, if moved, the destination must be rezoned -HP first (§ 1500-08-050) .

Source References

§ 1500-01-030 Applicability — Zoning Code applies in unincorporated areas
§ 1500-08-010 Purpose of overlays/combining districts; conflict resolution rule
§ 1500-08-050 Historic Preservation (HP) Combining District — purpose, definitions, establishment/disestablishment, standards, incentives, removal/relocation, design review, committee, plaques
§ 1500-23-050 Decisions and Multiple Applications — approving authority in HP district; Committee roles/approvals
§ 1500-08-020 Sutter Buttes (SB) Overlay District — purpose, applicability, standards, review process

Sources

Retrieved passages

CBC § 1500 (Section 1500-25-070.) High relevance
CBC § 1500 (Section pursuant) High relevance
Sutter County Zoning Code (Section 1500-25-070.) High relevance
Sutter County Zoning Code High relevance
Sutter County Zoning Code (Section 1500-23-080.) High relevance
Sutter County Zoning Code (Section 1500-23-060) High relevance
Sutter County Zoning Code (Section 1.191-2) High relevance
Sutter County Zoning Code (Section 1500-23-080.) High relevance

Cited sections

Official Sutter County code library

Frequently asked questions

How do I get my unincorporated Sutter County property designated Historic Preservation (-HP)?

You must file a rezone application to add the -HP combining district. Submittals include a statement of use, a site plan, photos, and either a justification statement (non–Mills Act path) or a qualified professional’s historic report and preservation plan (Mills Act path). The Historic Preservation Review Committee evaluates candidacy and character-defining features, and the rezone is processed per § 1500-25-070 (§ 1500-08-050(C)) .

Do HP rules change my base zoning uses and setbacks?

No. All base-district uses and standards continue to apply, including uses allowed by Use Permit, as long as they do not adversely affect the historic resource. The HP district adds preservation-focused review and limited height flexibility for original features (§ 1500-08-050(E)(1)-(2)) .

Who approves my alteration to a recognized historic building under -HP?

Exterior changes that need a building permit are reviewed via an Administrative Permit. Staff and/or the Historic Preservation Review Committee apply the Secretary of the Interior’s Standards and the prior historic report. Within HP, the Committee approves Administrative Permits and can assume the Planning Commission’s role (§ 1500-08-050(H); § 1500-23-050) .

Can I remove or relocate a historic structure on an -HP parcel?

Not without approvals. Removing a historic building requires a Removal and Relocation permit plus the appropriate environmental document; relocating it requires that the destination property be rezoned -HP before the move (§ 1500-08-050(G)) .

Are there incentives for maintaining a historic property?

Possibly. The Board of Supervisors may adopt incentives for -HP properties by resolution. The code authorizes such incentives but does not list them; verify current offerings with the County (§ 1500-08-050(F)) .

What if my project is in the Sutter Buttes?

Projects in the Sutter Buttes (SB overlay) must meet performance standards to protect cultural/historic and visual values, and require a Zoning Clearance with visual analysis and public notice of intent. The SB overlay is combined with AG zoning and applies to structures visible from public roads or adjacent residences (§ 1500-08-020(A)-(E)) .

Do I need special approval for a historic identification plaque?

A nonilluminated historic identification plaque up to 2 square feet is allowed on -HP properties with Board approval. Other signs must follow county sign regulations (§ 1500-08-050(J)) .

Where do HP rules apply in Sutter County?

They apply only in unincorporated areas and only on parcels designated with the -HP combining district. The Zoning Code’s jurisdiction is unincorporated Sutter County (§ 1500-01-030; § 1500-08-050) .

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