Local zoning · Shasta County

Shasta County — Design Review

Design Review under the Shasta County local zoning and planning code, with the controlling citations.

Last reviewed: July 3, 2026

Overview

Design review in unincorporated Shasta County is implemented through the Design Review (DR) combining district and the county's project-review procedures in Title 17 (Zoning). The DR combining district is intended to be applied with any principal district to protect scenic, historic, environmental or community-design values and to require that site plans and building appearance meet community or general design guidelines. The controlling text for the DR combining district is in § 17.78.010 – § 17.78.040 of the Shasta County Zoning Plan.

(If you want the county-level landing that explains how design, zoning and permitting relate in Shasta County, see this overview: Shasta County zoning & planning overview.)

How Design Review works (key ordinance points)

The Design Review (DR) combining district is a zone modifier meant to be combined with any principal district; its regulations prevail over conflicting principal-district rules where they apply. § 17.78.010.
Commercial uses inside a building in a DR area that are permitted or permitted with an administrative permit in the principal district still require an administrative permit under the DR combining district § 17.78.015; uses requiring a use permit in the principal district require a use permit in the DR district § 17.78.020.
Site development standards in the DR district must, in the aggregate, meet or exceed the standards of the principal district; each DR overlay area should have adopted design review guidelines. Where no community guidelines exist, the county applies general design standards in § 17.78.030 (design theme, landscaping, parking shading targets, materials/colors, minimized grading, utilities underground where feasible).
For use permits in a DR area the approving body must also find the proposal is compatible with the purposes of the DR district in addition to the normal use-permit findings § 17.78.040.

Note: Title 17 applies only to Shasta County’s unincorporated areas; incorporated cities inside Shasta County use their own codes. Verify with the jurisdiction for parcel-specific applicability. § 17.02.015 (Applicability).

District-by-district breakdown (how DR interacts across Shasta County zone districts)

The county establishes many principal zone districts in § 17.02.025; the DR combining district can be attached to any of them and will add design-guideline requirements. The table below lists the principal districts and then each short subsection explains what the ordinance text (as retrieved) explicitly states about the district and whether DR-specific rules / cross references were found.

(Primary source for district names: § 17.02.025.)

Resource zone districts (general listing)

A-1 (Limited agricultural) — District name and label shown in § 17.02.025. Detailed permitted uses and dimensional standards for A-1 are contained elsewhere in Title 17. Specific A-1 chapter details were not extracted in the retrieved materials (see “Information Gaps”).
EA (Exclusive agricultural) — Listed in § 17.02.025; specific chapter text not found in retrieved snippets.
TP (Timber production) — The TP district chapter is present in the retrieved materials and includes purposes, permitted uses and area requirements (parcel-size minimums) and yard/height rules (e.g., front/side/rear 30 ft yards and 35 ft maximum main-building height unless otherwise provided) in Chapter 17.08 (see § 17.08.040 and related subsections). These numeric standards are stated in the TP chapter text found in the file. DR may be combined with TP where mapped; DR's design standards would prevail over conflicting provisions § 17.78.010.
TL (Timberland), MR (Mineral resource), HP (Habitat protection), OS (Open Space), NRA-S, NRA-WI/WII, F-1 (Designated Floodway) — These resource districts are listed in § 17.02.025. The Open Space (OS) chapter is present and spells out the OS purpose and allowed low-intensity uses in Chapter 17.16 (e.g., forest management, minor recreation, agriculture) § 17.16.010 – § 17.16.020. For other resource districts the retrieved file contains the district listing but not all chapter text in the search snippets; see “Information Gaps.”

Residential districts

R-L, R-R, R-1, R-M, R-2, R-3, MHP, IR, ER — These residential district names are listed in § 17.02.025. The general development standards (yards, building sites, height) that apply across these districts appear in Chapter 17.84 (e.g., yards measured from property lines and ultimate right-of-way rules) and in the accessory-dwelling-unit rules found in the retrieved materials (see § 17.88.132 and the ADU text pulled). Where a DR combining district is applied, it adds design guidelines and may require administrative or use permits consistent with § 17.78.015 – § 17.78.020. Specific numeric setbacks and lot-area minima for each residential district were not all extracted in the retrieved snippets; see “Information Gaps.”

Commercial districts

C-1, C-2, C-O, C-H, C-R, C-M — Listed in § 17.02.025. If commercial development in a DR area is in a commercial building, the ordinance requires an administrative permit for the commercial use if the use is otherwise allowed in the principal district § 17.78.015; uses requiring a use permit in the principal district still require a use permit in DR § 17.78.020. Detailed commercial district dimensional tables are located elsewhere in Title 17 (not fully extracted).

Industrial districts

M-L (Light industrial), M (General industrial) — Listed in § 17.02.025. DR can be combined; where DR applies it controls design and appearance per § 17.78.030. Specific industrial development standards are in the respective chapters (not fully extracted here).

Special districts

PF (Public facility) — Listed in § 17.02.025. Chapter specifics not extracted.
PD (Planned Development) — The PD district chapter is present (Chapter 17.62) and emphasizes flexibility and higher design quality; PD developments must comply with applicable standards except where modified by the PD approval, and PD approvals include preliminary and final development plan steps and mandatory project features (see § 17.62.010 – § 17.62.050). A PD may incorporate design guidelines and must file a final development plan or risk revocation § 17.62.040 – § 17.62.080. When DR is combined with PD, both PD and DR requirements apply and DR provisions prevail over conflicting principal-district rules § 17.78.010.
U (Unclassified) — The Unclassified (U) district is a holding district; permitted uses and standards are described in Chapter 17.64. The U district allows one-family residences and certain accessory uses and ADUs in areas where single-family is allowed § 17.64.010 – § 17.64.020. DR can be combined if mapped.

Combining & overlay districts (how DR is shown on the zoning map)

The county’s combining districts list in § 17.02.025(C) explicitly includes DR (Design review) as a combining district. Other combining/overlay districts include SH (Scenic Highway), T (Mobile Home), SP (Specific Plan) and others; several overlay chapters (e.g., SH) set extra development standards that work together with DR when both are mapped on a parcel. Where conflicts exist, the DR district regulations prevail over conflicting principal-district rules § 17.78.010(B).

(If you want to read the county’s overlay-district menu entries, see Shasta County Overlay Districts.)

Decision-relevant standards (summary table)

Subject	What the ordinance says (practical effect)	Code reference
Purpose of DR combining district	Protect unique scenic/historic/environmental features and promote design consistent with community guidelines; DR rules prevail over conflicting principal district rules	§ 17.78.010
Commercial use inside commercial building in DR	Allowed only if an administrative permit is issued (if otherwise permitted in principal district)	§ 17.78.015
Uses requiring use permit in DR	Uses that require a use permit in the principal district still require a use permit in DR	§ 17.78.020
DR site development standard floor	DR standards must meet or exceed principal district standards; where no local guidelines, county applies a required design theme, landscaping/shading targets and other general standards	§ 17.78.030
Compatibility finding for use permits in DR	Approving body must find the use is compatible with DR purposes in addition to regular use-permit findings	§ 17.78.040
Planned Development flexibility	PD may modify standards but must meet mandatory project features and file final development plan; PD expects higher design quality	§ 17.62.030 – § 17.62.070
Open space permitted uses	OS district permits low-intensity recreation, forest management, agriculture	§ 17.16.010 – § 17.16.020

Practical guidance and interpretation

If your parcel is inside an area mapped with the DR combining district, plan conservatively: expect the county to demand a design theme, higher landscaping/visual mitigation, building materials/color choices that blend into the area, and possibly undergrounding of utilities where feasible § 17.78.030.
Small commercial tenant changes inside an existing commercial building in DR will still require at least an administrative permit if the use is allowed in the base district § 17.78.015; don’t assume “no review” because the base district allows the use.
For proposals requiring a use permit (e.g., some new commercial or industrial uses), the planning commission / Board may impose design-related conditions and must make explicit compatibility findings relating to DR purposes § 17.78.040 and § 17.92.020 (use-permit findings).
When a DR area lacks adopted community design guidelines, the county applies the general design standards listed in § 17.78.030; these are not vague policy-only statements — they require a documented design theme, landscaping that meets shading percentages and other measurable items. Expect the county to request plan-level documentation showing compliance § 17.78.030.

(See the county’s development standards for yard and setback rules at Shasta County Development Standards and remember parking rules are in Chapter 17.86 and linked guidance at Shasta County Parking.)

Checklist (what an applicant should prepare when DR applies)

Site plan that shows building footprint, setbacks, grading limits, utilities and access (address site development standards). Verify with the Director.
Elevations and material/color samples that demonstrate compliance with the DR design theme and compatibility standards § 17.78.030.
Landscape plan meeting minimum landscape standards in county code and shading targets for parking/pedestrian areas (see § 17.78.030 and Chapter 17.84 / landscaping chapters).
Administrative- or use-permit application (as required): check whether the proposal triggers § 17.78.015 (admin permit) or § 17.78.020 (use permit).
If in a Planned Development, include preliminary/final PD materials per § 17.62.050 – § 17.62.070.
Photos or photo-simulations from public vantage points when required (the county routinely asks for visual simulations for prominent sites). Verify with project planner.

Risks & Ambiguities

Issue	Why it matters	What to verify
Is DR actually mapped on my parcel?	DR is a combining district and only applies where mapped; design-review requirements only bind mapped parcels.	Confirm zoning map and parcel overlays with the Planning Division. (Zoning map reference: § 17.02.025.)
Which permitting path applies (admin vs use permit)?	Administrative permit vs use permit alters public-notice, hearing, and findings required; mistakes cause delays.	Verify whether your proposed use is listed as permitted/conditional in the principal district, and apply § 17.78.015 – § 17.78.020 to determine which permit is required.
Numerical development standards per district (setbacks, lot area, height)	Designers and engineers must dimension plans to the district standards; DR cannot be used to relax required safety standards unless PD process authorizes changes.	Look up the specific district chapter for numeric rules (not all district numeric standards were available in the retrieved snippets). See Chapter 17.84 for general yard rules. Verify with the Director.
Which design guidelines apply?	Some DR overlays have adopted community design guidelines; in their absence, the county uses the general standards in § 17.78.030 — but local guidelines will control project-level expectations.	Ask planning staff for any adopted community design guidelines that apply to your parcel or neighborhood; if none exist, the general DR standards will be applied.
Interaction with other overlays (SH, SP, PD, etc.)	Multiple overlays can apply; conflicting rules are resolved by the ordinance (DR regs prevail over principal district where in conflict).	Confirm all overlays mapped on the parcel and request planner interpretation for conflicts (§ 17.78.010(B)).

Plain-English Summary

If your property in the unincorporated parts of Shasta County is mapped with the DR (Design Review) overlay, you must submit plans that show how the project fits local design expectations (a design theme, landscaping, colors, and materials) and obtain either an administrative permit or a use permit depending on the use; the DR requirements supplement and can supersede some base zoning rules to protect scenic, historic or community character. § 17.78.010 – § 17.78.040.

Information Gaps

Complete, district-specific numeric dimensional tables for many principal districts (for example, explicit R-1 or C-2 setback and lot-size tables) are not included in the retrieved snippets; the district names are listed in § 17.02.025 but the specific chapters for many districts were not visible in the search previews. Verify with the county’s Title 17 full chapters or the Planning Division.
The county’s parcel-level zoning map and any adopted community design guidelines that apply to a mapped DR area were not provided in the retrieved materials. Request the planning map and any local design-guideline documents from the Planning Division. Not found in retrieved materials.

Source References

Shasta County Title 17 — ZONING (print export), general and chapter listings: § 17.02.025 (establishment and list of districts).
Chapter 17.78 — DESIGN REVIEW (DR) DISTRICT: § 17.78.010, § 17.78.015, § 17.78.020, § 17.78.030, § 17.78.040 (purpose, admin/use permit crosswalk, site development standards, compatibility findings).
Chapter 17.62 — PLANNED DEVELOPMENT (PD) DISTRICT (purpose, PD procedures and required features): § 17.62.010 – § 17.62.080.
Chapter 17.16 — OPEN SPACE (OS) DISTRICT (purpose and permitted low-intensity uses): § 17.16.010 – § 17.16.020.
Chapter 17.64 — UNCLASSIFIED (U) DISTRICT (purpose, allowed uses including ADU allowance cross-reference): § 17.64.010 – § 17.64.025.
Chapter 17.84 — GENERAL DEVELOPMENT STANDARDS (yards, building sites): § 17.84.010 – § 17.84.020.
Accessory Dwelling Unit provisions (ADU design/parking/permit interactions) as included in Title 17 (see ADU provisions excerpt). Noted: ADU design-compatibility requirements and parking exceptions; see the ADU text in Title 17. (ADU specifics in Title 17 excerpts).

Also useful county-topic pages (internal links used in this guide):

(For parcel-specific questions, always verify with Shasta County Resource Management — the ordinance text governs only unincorporated areas as specified in § 17.02.015.)

Sources

Retrieved passages

Shasta County Zoning Code (§ 32) High relevance
Shasta County Zoning Code (section were) High relevance
Shasta County Zoning Code (§ 5.02.380) Medium relevance
CBC § 17.92.010 (section of) Medium relevance
Shasta County Zoning Code (Section 17.88.335) Medium relevance
Shasta County Zoning Code (section shall) Medium relevance
Shasta County Zoning Code (Section 17.92.080.) Medium relevance
Shasta County Zoning Code (chapter including) Medium relevance
Shasta County Zoning Code (Section 17.84.020) Medium relevance
Shasta County Zoning Code (§ 5.02.300) Medium relevance
Shasta County Zoning Code (§ 24) Medium relevance
Shasta County Zoning Code (Section 25519) Medium relevance
Shasta County Zoning Code (§ 24) Medium relevance
Shasta County Zoning Code (Section 17.84.030.) Medium relevance

Cited sections

Official Shasta County code library

Frequently asked questions

Do I need design review for a small remodel in unincorporated Shasta County?

If your parcel is inside an area mapped with the DR combining district, yes — even a remodel may be subject to design-review requirements if it affects exterior appearance, site layout, landscaping, or signage; the county will apply § 17.78.030 design standards and may require design documentation. Verify whether your parcel carries the DR overlay on the official zoning map.

What does the DR district require for a new commercial tenant in a DR area?

If the commercial use is conducted inside an existing commercial building and is otherwise allowed in the principal district, an administrative permit is required under the DR combining district per § 17.78.015; if the use requires a use permit in the principal district, it will still require a use permit in the DR district § 17.78.020.

Where is the Design Review (DR) combining district defined in Shasta County code?

The DR combining district purpose, permit crosswalk and site standards are in Chapter 17.78, specifically § 17.78.010 – § 17.78.040 of Title 17 (Zoning).

What happens if my parcel is in a Planned Development (PD) and also mapped DR?

A PD expects higher design quality and allows adjustment of development standards where justified; PD procedures (preliminary and final development plans, mandatory project features) are in Chapter 17.62. Where DR is combined with PD, the DR rules still apply and the DR district regulations prevail over conflicting principal-district rules § 17.78.010(B). Confirm required PD submittals (preliminary/final plans) in § 17.62.050 – § 17.62.070.

Does DR let the county waive setback, coverage or height rules?

The DR district text requires that DR site development standards meet or exceed the principal district standards in the aggregate § 17.78.030(A); modifications to site development standards may be possible through the use-permit process or a PD but DR itself is intended to raise design expectations rather than relax safety standards. For modifications see PD rules § 17.62.030 or use-permit authority § 17.92.020. Verify with the Director.

Are there measurable design standards the county enforces under DR?

Yes — when community guidelines are not adopted the ordinance lists measurable expectations in § 17.78.030 including preparation of a design theme, landscaping that meets minimum Chapter 17.84 standards and shading over a stated percentage of parking/pedestrian areas within ten years. Expect plan-level submittals documenting compliance.

Where are setback, yard and general development standards located?

General yard and building-site rules that apply across districts are in Chapter 17.84 (e.g., measurement from property lines and right-of-way rules, yard application). Specific setback/lot-size/height tables for each principal district are in their respective chapters; consult Title 17 chapter for the relevant district or the Planning Division for parcel-specific numeric standards.

Can design review require undergrounding utilities or landscaping?

Yes. The general DR standards state new utilities should be underground "where feasible" and landscaping/revegetation is required to protect scenic quality; for commercial/industrial projects an approved landscape plan may be required § 17.78.030.

How does design review affect ADUs (Accessory Dwelling Units)?

ADUs remain subject to the ADU-specific provisions in Title 17 (design compatibility and some parking exceptions are discussed in the ADU text). Where an ADU is proposed in a parcel mapped with DR, the DR design-compatibility expectations apply in addition to the ADU rules; check ADU rules in Title 17 and confirm whether DR adds requirements for colors/materials/landscaping.

Who makes the compatibility finding for use permits in a DR district?

The Planning Commission or Board (as the approving authority for use permits) makes the findings required for a use permit; in a DR district, the board of administrative review or planning commission must also find the proposed use is compatible with the DR purposes § 17.78.040 and ordinary use-permit findings § 17.92.020.

Ask about any Shasta County property

Get a cited, plain-English answer on Shasta County zoning, setbacks, FAR, ADUs and permits — for any address.

Start Free Trial