Marysville — Zoning

Last reviewed: July 2, 2026

Overview

The Marysville zoning code (the "Marysville zoning code") establishes the city's official zones (zoning districts) and the Zoning Map that applies those districts to land within the city limits. It defines the district list, rules for zone boundaries, permit types (ministerial zoning clearances, use permits, etc.), and district-specific development standards and allowed uses. The Zoning Map is adopted and made part of the code (see § 18.12.010) and boundary rules/uncertainties are governed by § 18.12.020 . For how zoning interacts with parking, see the city's parking chapter and rules on exemptions and applicability in Chapter 18.60 . Where design or exterior work triggers review, the city's design review and historic preservation rules apply (see Chapter 18.59) . All references below are pulled from the Marysville zoning ordinance text provided (see Source References).

How the code is organized (quick anchors)

• Adoption of the Zoning Map and districts: § 18.12.010–§ 18.12.030
• Rules for zone boundaries and boundary uncertainty: § 18.12.020
• Residential district purposes and use table: § 18.16.010–§ 18.16.020 and Table 18.16.020 (allowed uses/permit types)
• Industrial standards (M-1 / M-2): § 18.34.040 (development standards table)
• Planned Development (PD) requirements: § 18.46.020–§ 18.46.100 (minimum acreage, setbacks, heights, review)
• Open space districts (OS-1 / OS-2): Chapter 18.56 / 18.58 (uses, heights, permits)

Note: The zoning code cross-references many other chapters (parking, signs, landscaping, design review). See the related topic pages: parking, development standards, design review, overlay districts, historic preservation, ADUs, and California Building Standards Code.

District-by-district breakdown

Below are the zoning districts actually established by the Marysville code (this is Marysville-specific wording from the ordinance). Each subsection summarizes the ordinance purpose, typical permitted uses (high-level), the key dimensional standards called out by the code where available, and where the district is applied or how it is treated procedurally.

R-1 — Single-family residence district

• Purpose: The R-1 district is applied to low-density residential neighborhoods primarily consisting of detached single-family residences and compatible uses; may also appear within higher general-plan designations in mixed areas § 18.16.010 .
• Typical permitted uses: single-family residences (permitted as "P" in Table 18.16.020) and accessory residential uses including accessory dwelling units (see Chapter 18.[ADU cross ref]) .
• Key dimensional standards: The code defines general yard rules and measurement rules in Chapter 18.84 (e.g., front-yard averaging rules and fence heights in § 18.84.070) but a single uniform numeric front setback for R-1 is not printed in the retrieved excerpts; where fifty percent or more of a block is built out the required front yard may be set to the average of the block (minimum fifteen feet) § 18.84.070(d) . Verify lot-specific setbacks with the city.
• Where it applies / approvals: New development typically requires development plan review or a zoning clearance depending on scale § 18.16.020 .

R-2 — Two-family residence district

• Purpose: The R-2 district allows two-family residences, halfplexes or two detached residences on a lot; intended for low-to-medium residential densities § 18.16.010 .
• Typical permitted uses: duplexes / two-family units, single-family as permitted, and accessory uses; permit designations are shown in Table 18.16.020 § 18.16.020 .
• Dimensional standards: Same general yard/fence rules apply (Chapter 18.84); specific numeric minimum lot area/width rules appear in district-specific tables elsewhere in the code (not visible in all excerpts). Verify parcel-level numeric standards with the city planner.
• Where it applies: See Zoning Map and the general rules for conformance and permits § 18.12.010; § 18.08.050 .

R-3 — Neighborhood apartment district

• Purpose: The R-3 district provides for limited higher-density residential development with standards tailored to multiple-family structures § 18.16.010 .
• Typical permitted uses: small apartment projects and other multi-family uses; Table 18.16.020 shows permit types and caps (e.g., R-3: limited number of attached/detached units per lot) § 18.16.020 .
• Dimensional standards: Development standards (density, lot area, setbacks, height) default to those in the base district and Chapter 18.84; detailed numeric limits should be confirmed on a per-project basis.
• Where it applies: Used where medium/high density is intended in the general plan and shown on the Zoning Map § 18.12.030 .

R-4 — General apartment district

• Purpose: R-4 accommodates all types of multiple-family residential uses and some lower-density uses § 18.16.010 .
• Typical permitted uses: larger apartment complexes, condominiums (permit types indicated in Table 18.16.020) § 18.16.020 .
• Dimensional standards: See Chapter 18.84 and the R-district use table; density bonuses and other incentives are referenced in Chapter 18.97 (density bonus rules) § 18.16.020 .

C-1, C-2, C-3, C-H — Commercial districts

• Purpose: The code lists commercial districts C-1 (neighborhood shopping), C-2 (community business), C-3 (general commercial), and C-H (highway service) § 18.12.030 .
• Typical permitted uses: Retail, personal services, offices and other commercial activities per the land-use tables (Table references in Chapters for commercial uses). Table 18.60 parking rules apply citywide; note the central business district exception where off-street parking is not required in C-2 and C-3 within the central business district § 18.60.020 .
• Dimensional standards: Site-specific standards (setbacks, building coverage, height) are in each district chapter and development standards chapters; for historic or medical arts areas, design review rules may change application of standards § 18.59.040 .

M-1, M-2, M-L — Industrial districts

• Purpose: M-1 (light industrial), M-2 (general industrial), M-L (limited industrial) for industrial and compatible commercial uses § 18.12.030 .
• Typical permitted uses: Manufacturing, warehousing, light processing subject to chapter-specific limitations (e.g., recycling facility controls in Chapter 18.92) .
• Key dimensional standards (explicit): M-1 / M-2 development standards table specifies no minimum lot size or width, limited yards in many cases, and maximum building height 2.5 stories (not to exceed 35 ft); yard and wall requirements when abutting residential zones are spelled out in § 18.34.040 .
• Where it applies: Industrial parcels shown on the Zoning Map; additional permit or screening requirements when near residential zones § 18.34.040 .

PD — Planned Development district and PUD

• Purpose: PD district allows flexibility from standard district rules to encourage innovative design; PD must comply with General Plan and specific plan policies § 18.46.010–§ 18.46.100 .
• Typical permitted uses: Any use that is permitted in R, C, or M-1 districts subject to a use permit — the PD requires an application, a minimum area (generally 5 acres), and a use permit for each development § 18.46.020; § 18.46.040 .
• Dimensional standards: Example PD standards include minimum lot area 10,000 sq ft in some PD contexts and building height limit 2.5 stories / 35 ft § 18.46.060; § 18.46.050 . PDs may modify setbacks, lot area, coverage, etc., in exchange for design amenities.

OS-1 / OS-2 — Primary and Secondary Open Space districts

• Purpose: OS-1 and OS-2 protect open space, natural areas, recreation and conservation uses § 18.56.020; § 18.58.020 .
• Typical permitted uses: Parks, plazas, trails, boat storage, some recreational facilities — see the open space use table § 18.54.030 and OS-specific chapters for use permit triggers § 18.54.030; § 18.56.030 .
• Dimensional/height rules: OS-1 maximum height 25 ft § 18.56.070; no lot-area requirements for OS-1 § 18.56.050 .

Combining districts and overlays (examples)

• The code establishes combining/overlay districts such as the R (Redevelopment) combining district, A (Special agricultural), FP (Special floodplain), and HP (Historic Preservation Overlay Zone) in § 18.12.040; downtown-specific plan districts (e.g., DMU, CMU, ME, MU-C, MU-N) are listed in § 18.12.050 .
• Within overlays such as the HP (Historic Preservation) overlay, exterior construction is subject to review and approval by the Historic Preservation/Design body and development standards default to the base district unless the overlay provides otherwise § 18.59.030–§ 18.59.040 .

Key decision-relevant standards (quick table)

Information Gaps

• Exact numeric setbacks, lot-area minimums, lot coverage, and lot-width minimums for R-1 / R-2 / R-3 / R-4 / C-1 / C-2 / C-3 are not visible in the retrieved excerpts for every district. The code references district-specific tables (e.g., Table 18.16.020 for uses) but the full numeric development standards table for every district was not available in the returned snippets. Verify parcel-specific numeric standards with the city planner and the full code tables. (Not found in retrieved materials — see § 18.16.020 for use-permit matrix and other chapters for numeric tables) .
• Precise rules and procedural checklists for design review submittals, completeness criteria, and timeline for decisions are referenced (Chapters 18.59, 18.72), but the full intake/checklist text was not available in the snippets. Verify with the planning department and the full code. (Not found in retrieved materials) .

Checklist (what an applicant must satisfy to establish/modify a use)

• Confirm the property's current zone on the City of Marysville official Zoning Map and any overlays § 18.12.010–§ 18.12.020 .
• Determine the permit type required from Table 18.16.020 (P, ZC, U, MU) or relevant use table for non-residential zones § 18.16.020 .
• Verify dimensional standards that apply (setbacks, height, lot area); consult Chapter 18.84 for yard/fence rules and relevant district development standards (e.g., § 18.34.040 for M-1/M-2, § 18.46.050–.060 for PD) .
• Check parking requirements in Chapter 18.60; confirm any central business or medical arts exceptions § 18.60.010–.021 .
• If in an overlay (e.g., HP), prepare for exterior design review and historic-preservation submittal requirements § 18.59.030–.040 .
• For PDs or planned unit developments, prepare the PD application package including maps, elevations and required plans (minimum 5 acres standard applies to PD establishment) § 18.46.020–.040 .
• Confirm consistency with citywide regulations (signage, landscaping, trash enclosures, and other cross-referenced chapters) and obtain required permits (e.g., building permits per the California Building Standards Code). If a use is not listed, be prepared to request a planning commission determination § 18.08.120 (use determination) .
• Verify any special rules (cannabis, recycling facilities, SB9 lot-split / Urban Lot Splits) that add district-specific constraints § 18.69; Chapter 18.92; § 18.99 for urban lot splits .
• Submit to required city review bodies and pay applicable fees; conform with enforcement/conformance rules § 18.08.050–.070 .

Risks & Ambiguities

Plain-English Summary

Marysville’s zoning code assigns each parcel to one of the city's named zones (for example R-1, C-2, M-1, PD, OS-1) and applies the rules for what you can build and how — the Zoning Map is official and adopted into the code (§ 18.12.010) and boundary questions are handled per § 18.12.020. Use the district use tables to see whether a use is permitted, whether a zoning clearance or use permit is required, check the district development standards and overlay rules (e.g., historic or floodplain overlays), and confirm parking and site design rules in the code chapters called out above (see § references in Source References) .

Source References

• Marysville zoning map adoption and districts: § 18.12.010; § 18.12.020; § 18.12.030
• Residential district purposes and allowed-use table: § 18.16.010; § 18.16.020; Table 18.16.020
• M-1 / M-2 development standards (Table 18.34.040): § 18.34.040
• Planned Development (PD) rules and minimums: § 18.46.020–§ 18.46.100
• OS-1 / OS-2 open space rules: Chapter 18.54; Chapter 18.56; Chapter 18.58
• Overlay / historic preservation review standards: § 18.59.030–§ 18.59.040
• Parking applicability and exceptions: § 18.60.010–§ 18.60.021
• Yard, fence and measurement rules: § 18.84.070
• Zoning code short title, applicability and enforcement: § 18.08.020–§ 18.08.070
• Cannabis rules and commercial cannabis licensing references: Chapter 18.69 and cannabis-specific permit language § 18.69.030
• Urban Lot Split (SB9-style) standards: Chapter 18.99 § 18.99.010–§ 18.99.040

Retrieved passages

• Marysville Zoning Code (§ 2) High relevance show source text
• Marysville Zoning Code (§ 18.04.540.) High relevance show source text
• Marysville Zoning Code (§ 3) High relevance show source text
• Marysville Zoning Code (§ 6) High relevance show source text
• Marysville Zoning Code (§ 18.56.020.) Medium relevance show source text
• Marysville Zoning Code (§ 2) Medium relevance show source text
• CBC § 18.59.020 (§ 18.59.020.) Medium relevance show source text
• CBC § 24 (§ 24) Medium relevance show source text

Cited sections

• Marysville zoning map adoption and districts: **§ 18.12.010; § 18.12.020; § 18.12.030** (§ 18.12.010)
• Residential district purposes and allowed-use table: **§ 18.16.010; § 18.16.020; Table 18.16.020** fileciteturn0file8 (§ 18.16.010)
• M-1 / M-2 development standards (Table **18.34.040**): **§ 18.34.040** (§ 18.34.040)
• Planned Development (PD) rules and minimums: **§ 18.46.020–§ 18.46.100** (§ 18.46.020)
• OS-1 / OS-2 open space rules: **Chapter 18.54; Chapter 18.56; Chapter 18.58** fileciteturn0file14 (Chapter 18.54)
• Overlay / historic preservation review standards: **§ 18.59.030–§ 18.59.040** (§ 18.59.030)
• Parking applicability and exceptions: **§ 18.60.010–§ 18.60.021** (§ 18.60.010)
• Yard, fence and measurement rules: **§ 18.84.070** (§ 18.84.070)
• Zoning code short title, applicability and enforcement: **§ 18.08.020–§ 18.08.070** (§ 18.08.020)
• Cannabis rules and commercial cannabis licensing references: **Chapter 18.69** and cannabis-specific permit language **§ 18.69.030** fileciteturn0file16 (Chapter 18.69)
• Urban Lot Split (SB9-style) standards: **Chapter 18.99** **§ 18.99.010–§ 18.99.040** (Chapter 18.99)
• Marysville_ZoningCode.md

• Official Marysville code library