Sutter Creek — Overlay Districts

Last reviewed: July 2, 2026

Overview

Sutter Creek does not use the phrase "overlay district" as a standalone chapter; instead the zoning ordinance implements overlay-style rules through combining zones that layer onto base zones. The combining zones in the code are the MH (Manufactured Housing combining zone), PD (Planned Development combining zone), and HR (Historic Residential combining zone), each applied in addition to a base zone and enforced via the rules cited below (see § 18.12.015) . In practice, planned developments and historic districts are where overlay-type standards and special procedures are concentrated (see Ch. 18.42 for PD rules and Ch. 18.45 / design standards for historic areas) .

Note: where the code uses the term "combining zone" that is the local equivalent of an overlay; always verify parcel-specific mappings on the city's zoning map (§ 18.12.020) .

The overlay / combining zones at a glance (district-by-district)

PD — Planned Development combining zone

• Purpose: To permit the comprehensive, unified planning of parcels as a single development where public advantages or specialized site design justify departures from strict application of base-zone rules (Statement of intent, § 18.42.020) .
• Typical permitted uses: All uses allowed in the underlying base zone; the PD may also add additional uses consistent with the general plan as approved by the planning commission (§ 18.42.030) .
• Key dimensional / procedural standards:
  • A PD combining zone may not be designated for an area of less than one acre (minimum area) (§ 18.42.050) .
  • Specific height, lot size, density, setback, parking and other development standards are set by the approved development plan for that PD; the development plan establishes project-specific height and bulk limits in lieu of default zone rules (§ 18.42.040) .
  • PDs are established or removed by city council action following planning commission recommendation and must be consistent with the General Plan land use map (§ 18.42.060) .
  • A PD project requires an approved development plan and submittal materials including plot plans, elevations, parking and circulation plans, landscaping and grading information as provided in the code (§ 18.42.070) .
• Where it applies: Applied as a combining zone over parcels where a tailored, unitized development is intended; check the City zoning map and the PD ordinance on the parcel record (§ 18.12.020, § 18.42.060) .

Practical guidance: If you are proposing site-specific departures from base-zone setbacks, densities, or building forms, a PD is the mechanism to obtain those through an approved development plan; the development plan is the controlling document for dimensional standards (verify the plan for the parcel) (§ 18.42.040–.070) .

HR — Historic Residential combining zone

• Purpose: The HR combining zone is available as a layering tool to apply historic-residential protections or rules on top of base residential zones (listed in § 18.12.015) .
• Typical permitted uses: Uses are generally those of the underlying residential base zone; historic overlays primarily affect design, review, and allowable alterations rather than wholesale changes to use. Specific uses remain subject to the underlying zone's permitted uses (the code treats HR as a combining zone) (§ 18.12.015) .
• Key dimensional / procedural standards:
  • The ordinance directs that projects within historic areas comply with the City's Design Standards and the historic-district design rules (see Ch. 18.45 and the city's adopted design standards) (§ 18.45.010–.030; § 18.10.132) .
  • Design review, special signage rules, and other preservation-oriented controls are triggered within historic districts; review thresholds and documentation requirements are established in the design standards and implementing chapters (§ 18.45.020–.030) .
• Where it applies: Applied as a combining zone to residential parcels designated for historic protection; specific map locations require verification on the zoning map and in the General Plan Volume II historic maps (§ 18.12.020, § 18.10.130) .

Practical guidance: For projects affecting historic facades or properties inside the Main Street / historic area, expect mandatory compliance with the historic design standards and likely design-review hearings; consult Chapter 18.45 and the Design Standards (Historic Districts) for required elevations and materials before preparing plans (§ 18.45.010–.030) .

MH — Manufactured Housing combining zone

• Purpose: The code lists MH as a combining zone that can be applied to specified base zones to allow manufactured housing under special terms (§ 18.12.015) .
• Typical permitted uses: Not specifically enumerated in the combining-zone listing; manufactured housing uses are expected to be compatible with the underlying zone and are subject to the requirements the city places on MH combinations.
• Key dimensional / procedural standards: The ordinance lists MH as an available combining zone but the uploaded ordinance excerpts do not contain a standalone chapter describing MH-specific dimensional standards or procedures. Not found in retrieved materials — verify with the jurisdiction (planning department) or the full Municipal Code for MH implementation rules.
• Where it applies: Only where the MH combining designation has been applied to a parcel on the zoning map; check the zoning map and parcel records (§ 18.12.020) .

Practical guidance: Because the code excerpts do not show an MH chapter with detailed standards, always verify whether the MH combining designation on your parcel has a separate PD-like development plan, specific local standards, or implementing resolutions (Verify with the jurisdiction).

Key standards and decision points (table)

How overlays interact with other rules — practical notes

• Zoning map and parcel designation: Always verify whether a property is within an overlay/combining zone on the official zoning map (§ 18.12.020) .
• Design and development standards: Projects in historic combining zones must comply with the City's adopted design standards (Historic District chapters) and with citywide design standards where applicable (§ 18.45.010–.030; § 18.10.132) . For Main Street / downtown projects, the DTC zone includes special provisions that require conformance with historic design standards (§ 18.38.030) .
• Parking and change-of-use: Overlays do not eliminate parking rules; changes of use within overlay areas are still subject to the off-street parking requirements (see downtown/DTC references requiring conformance with § 18.48.030) . See the city's parking page for operational guidance on parking calculations and submittal expectations.
• Accessory dwelling units (ADUs): ADU regulation is addressed in Ch. 18.61; overlay status does not override State ADU law but may affect design review or siting (check § 18.61.010 and historic-design rules where applicable) .
• Building code / construction standards: Overlay and combining-zone approval does not change the requirement to comply with the California Building Standards Code (Title 24) for structural, life-safety, and code-compliance issues — coordinate plan approvals accordingly.

Inline resources you may need while preparing an application: the city’s pages on zoning, development standards, design review, historic preservation, parking, and the ADU page. For construction code compliance see the California Building Standards Code. (Each of those links is the city-topic anchor you will need when preparing materials.)

Checklist

• Confirm whether the parcel is within a combining zone (MH, PD, or HR) on the official zoning map (§ 18.12.020) .
• If the parcel is in a PD, prepare a full development plan: plot plans, elevations, parking and circulation diagrams, landscaping, grading/topography, and schedule as required (§ 18.42.070) .
• If the parcel is in a PD, verify the PD’s approved development plan for the site-specific height, setback, density, and parking standards (the development plan supersedes generic zone standards; § 18.42.040) .
• If the parcel is in an HR or within the downtown/Main Street area, comply with the City’s historic design standards and prepare elevation drawings/material specifications for design review (§ 18.45.010–.030; § 18.10.132) .
• Check off-street parking and change-of-use parking requirements for the overlay area (DTC references § 18.48.030) and include parking plans as required (§ 18.38.030) .
• Confirm whether ADUs on the parcel are subject to additional review due to historic-district design rules and ensure compliance with Chapter 18.61 and state ADU law (§ 18.61.010) .
• If the combining zone is not fully specified in the municipal code excerpts (e.g., MH), contact the Community Development Department to obtain the local implementing standards or resolutions (Verify with the jurisdiction — Not found in retrieved materials) (§ 18.12.015) .

Risks & Ambiguities

Plain-English Summary

Sutter Creek uses "combining zones" as its overlay tool: PD (Planned Development) lets you get a site-specific development plan that sets setbacks, heights and parking for a project; HR (Historic Residential) layers historic design-review rules over residential zones; and MH (Manufactured Housing) is listed as a possible overlay but implementation details are not present in the retrieved excerpts. Always check the official zoning map and the specific PD or design standards that apply to your parcel — those documents, not the generic zone table, will control what you can build (see § 18.12.015, § 18.42.040–.070, § 18.45.010–.030) .

Source References

• Municipal Code — Combining zones list: § 18.12.015 (MH, PD, HR)
• PD combining zone: § 18.42.010–.100 (intent, permitted uses, development-plan requirements, minimum area, procedures)
• Zoning Map and boundary rules: § 18.12.020 and § 18.12.030 (zoning map, boundaries)
• Historic design standards and applicability: § 18.45.010–.030 and § 18.10.132 (citywide design standards and historic district application)
• DTC (Downtown Commercial) special provisions referencing historic standards and parking: § 18.38.030 (design standards, signage, parking conformity)
• ADUs: Chapter 18.61 (Accessory Dwelling Units) — purpose and state consistency noted in § 18.61.010

Retrieved passages

• Sutter Creek Zoning Code (chapter and) High relevance show source text
• Sutter Creek Zoning Code (§5) Medium relevance show source text
• Sutter Creek Zoning Code (Chapter 18.42) Medium relevance show source text
• Sutter Creek Zoning Code (§2) Medium relevance show source text
• Sutter Creek Zoning Code (§5) Medium relevance show source text
• Sutter Creek Zoning Code (§35) Medium relevance show source text
• Sutter Creek Zoning Code (§16) Medium relevance show source text
• Sutter Creek Zoning Code (§26) Medium relevance show source text

Cited sections

• Municipal Code — Combining zones list: **§ 18.12.015** (MH, PD, HR) (§ 18.12.015)
• PD combining zone: **§ 18.42.010–.100** (intent, permitted uses, development-plan requirements, minimum area, procedures) fileciteturn0file2 (§ 18.42.010)
• Zoning Map and boundary rules: **§ 18.12.020** and **§ 18.12.030** (zoning map, boundaries) (§ 18.12.020)
• Historic design standards and applicability: **§ 18.45.010–.030** and **§ 18.10.132** (citywide design standards and historic district application) fileciteturn0file9 (§ 18.45.010)
• DTC (Downtown Commercial) special provisions referencing historic standards and parking: **§ 18.38.030** (design standards, signage, parking conformity) (§ 18.38.030)
• ADUs: Chapter **18.61** (Accessory Dwelling Units) — purpose and state consistency noted in **§ 18.61.010** (§ 18.61.010)
• SutterCreek_ZoningCode.md

• Official Sutter Creek code library