Local zoning · Chico

Chico — Land Use

Land Use under the Chico local zoning and planning code, with the controlling citations.

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Last reviewed: July 1, 2026

Overview

This page summarizes how the City of Chico's zoning regulations regulate land use: which uses are permitted or conditional in each district, the key development controls that shape where and how uses locate (setbacks, heights, lot size, coverage), and how overlays and special districts change those rules. The primary legal controls are the zoning-district use tables and the district-specific development standards in Title 19 (Zoning) — see the basic decision rules at § 19.40.020 . For parking standards, see the parking rules referred to in the district tables and in Division V (§ 19.70.040) . For design-phase rules, see the design review pointers in the planned development and design-review chapters referenced below.

NOTE: Where the code lists a table (for example Table 4-3A, Table 4-6, Table 4-9), that table specifies which uses are P (permitted) vs UP (conditional/use permit) vs TU (temporary) for that district — see § 19.40.020 and the district chapters cited below.

How to read the Chico land-use rules (short primer)

  • A use marked P in a district is allowed subject to zoning clearance (see § 19.16.070) and applicable standards; a use marked UP requires a use permit under § 19.24; TU = temporary use under § 19.22 . See the code's Key to Permit Requirements in each table for the cross-reference and notes (e.g., exceptions for hours/noise, size thresholds) .
  • General development standards (setbacks, heights, lot size, coverage) are prescribed by the district tables (e.g., residential Table 4‑3A, commercial Table 4‑7, manufacturing Table 4‑9) and Division V (site planning standards). See § 19.42.030, § 19.44.030, § 19.46.030 for the principal tables and standards .
  • Overlays (for example -RC, -SD, -FD, -AE, -AO, -PD) modify permit requirements, development standards, or allowable uses; overlay rules are additive and may be more restrictive — see § 19.52.010 and the overlay-specific sections (for example § 19.52.070 for -SD and § 19.52.030 for -AO) .
  • For accessory dwelling units see the local ADU reference and the City’s ADU-specific code cross-reference § 19.76.130; state ADU law also applies — see ADUs and California ADU law .
  • Development standards interplay with site-level rules (landscaping, parking, screening, sign rules and design review). See the development standards, parking, landscaping and screening, and signage pages for those topic-specific rules referenced by the district tables.

District-by-district breakdown

Below are the principal zoning districts found in Division IV and the most decision-relevant points drawn directly from the Chico zoning tables and district chapters. Each subsection gives the district purpose, typical permitted uses (high-level), key dimensional standards, and where that district is usually applied in Chico per the ordinance.

Note: the code uses the tables in each district chapter (for example Table 4-3A, Table 4-6, Table 4-9). Where I summarize a use-permit rule I cite the district chapter that contains the table.

RS (Residential Suburban)

Purpose: Implement low-density residential areas; preserve single-family neighborhood character. See § 19.42.010 and Table 4‑3A/4‑3B/4‑3C for standards .

Typical permitted uses:

  • Single-family dwellings (P) and accessory uses (subject to accessory rules, including ADUs) — see § 19.76.130 for ADU cross-reference .
  • Neighborhood-scale community uses such as community gardens (P) are explicitly allowed in multiple districts and cross-referenced in the tables (see § 19.44.020 notes) .

Key dimensional standards:

  • Minimum lot width/setback rules are set via Table 4‑3A; residential density and minimums are determined by § 19.42.040 and Table 4‑3A (see § 19.42.030) .
  • Where RS abuts other districts, the code prescribes setback transitions (see general standards in § 19.40.020 and Table 4‑3A) .

Where applied: Typical single-family neighborhoods, areas with the General Plan low-density residential designations (see § 19.42.010) .

R1 (Single-family Residential) — labeled in code as R1 in tables

Purpose: City’s standard single-family zoning; controls lot size/density and setback matrix. See § 19.42.030 and the residential tables (Table 4‑3A–C) .

Typical permitted uses: Single-family homes (P), accessory residential uses (subject to accessory rules), limited home occupations (subject to conditions in the use tables). See residential district tables for precise P/UP/TU status .

Key dimensional standards:

  • Setback, lot area, and density numbers are in Table 4‑3A and companion tables; see § 19.42.030 for the full table and requirements .

Where applied: Traditional single-family neighborhoods across Chico.

OR, OC (Office/Residential and Office/Commercial)

Purpose: Smaller-scale office and mixed commercial-office areas; promote professional services and limited residential density in appropriate locations. See § 19.44.030 and Table 4‑7 for development standards .

Typical permitted uses:

  • Professional offices (P), small-scale retail in some subdistricts, and residential (subject to density limits) — permit status and exceptions are listed in Table 4‑6 (Commercial/Office uses) and in the notes to that table (§ 19.44.020) .

Key dimensional standards (Table 4‑7 / § 19.44.030):

  • Front setback: 15 ft. (OR); none required (OC) except adjacent to R districts where the R setback applies. Height limits: 35 ft. (main buildings in OR) and 45 ft. (OC) with reduced heights adjacent to R zoning (see § 19.44.030) .

Where applied: Office corridors, transition areas between residential and commercial neighborhoods.

CN, CC, DN, DS, CS, CR (Commercial districts: Neighborhood to Regional)

Purpose: A graded set of commercial districts from neighborhood (CN) to regional (CR) retail/service centers. See Table 4‑6 and § 19.44.020 for permitted uses and distinctions .

Typical permitted uses:

  • Retail, restaurants, professional services — many entries list P or UP depending on district and use (see Table 4‑6). Special rules for drive-throughs, amplified music, or late-night hours appear as UP triggers (see table notes) .

Key dimensional standards (sample from Table 4‑7 / § 19.44.030):

  • Minimum lot size varies by subdistrict (for OR/OC CN/CC the table specifies 6,000–10,000 sq.ft.). Front setbacks: often none required in CN/CC except where abutting R districts. Site coverage commonly up to 70–85% with height limits up to 45 ft. in some commercial zones; see § 19.44.030 and Table 4‑7 for specifics .

Where applied: Strip centers, downtown commercial core (DN relates to Downtown and mixed-use allowances in the notes), neighborhood shopping nodes, and the larger shopping corridors (CR for region-serving uses) .

ML, MG, IOMU (Manufacturing / Industrial / Industrial-Office Mixed Use)

Purpose: Allow light to heavier industrial, manufacturing, and industrial-office mixed uses with performance standards and buffering where adjacent to residential. See § 19.46.030 and Table 4‑9 .

Typical permitted uses:

  • Small-scale manufacturing, warehouses, offices, and support services. Activities that generate emissions/noise/volatile manufacturing are frequently subject to UP or additional standards (see the table notes) .

Key dimensional and performance standards:

  • Site coverage up to 95% (ML) or 75% (IOMU) per Table 4‑9; height up to 57 ft. but lesser heights may be required where abutting R districts. Setbacks often none except where abutting residential (then 20 ft. side/rear, with frontage rules) — see § 19.46.030 and § 19.46.040 for performance standards (glare, vibration, screening, landscaping) .

Where applied: Industrial parks, employment areas, and sites identified for manufacturing in the General Plan.

Airport Districts: A, AC, AM, AP

Purpose: Regulate uses near Chico Municipal Airport and Ranchero Airport to protect air operations and ensure compatible land uses. See § 19.48.010 and the Airport tables (Table 4‑10) .

Typical permitted uses:

  • Aviation-related operations, aviation-support manufacturing, limited commercial uses in AC where compatible with airport operations. Many airport-area uses require UP and are subject to special findings (e.g., compatibility with airport operations, parking, noise) — see § 19.48.020 and the notes to Table 4‑10 .

Key standards:

  • Use permit findings include compatibility with aviation, parking impacts, hours/noise, and economic vitality of the airport area. Overflight notices and avigation easements may be required for development within certain overlays (see § 19.52.030 and § 19.52.010 for overlay requirements) .

Where applied: Land around Chico Municipal Airport and Ranchero Airport as mapped on the official zoning map.

Special Purpose Districts: PQ, OS1, OS2

Purpose: Parks, public/quasi-public uses, and open-space conservation; different coverage, lot size, and height rules (see Table 4‑13 and § 19.50.030/040) .

Typical permitted uses:

  • Public facilities, recreation, resource-protection uses (subject to specific plan or Commission approval for reduced parcel sizes or modified standards) .

Key standards:

  • Minimum lot area generally 1 acre (smaller if the Commission approves); site coverage and height are restricted (see Table 4‑13 and § 19.50.030) .

Where applied: Parks, floodways, conservation lands, and large public-use sites.

Overlay districts (selected)

  • -RC (Resource Constraint): Applied where resource protection is needed; primary district standards apply but planned development permits and clustering/subdivision limitations apply — see § 19.52.070 .
  • -SD (Special Design): Limits uses and requires planned development approval in specified subareas (SD‑1, SD‑2) with requirements like clustering and tree preservation — see § 19.52.070 .
  • -AE / -AO (Airport Environs / Overflight): Add height, noise, avigation easement, and recorded-notice requirements for parcels near airports — see § 19.52.030 and § 19.52.010 .
  • -FD (Foothill Development): Controls height (generally 25 ft. limit in -FD), setbacks from slopes, clustering and density reductions on steep slopes — see § 19.52 Foothill provisions and § 19.52.040 (Foothill specifics) and § 19.28.040 for planned development ties — the code sets 25 ft. baseline with limited exceptions (see the FD subsection) .
  • -PD (Planned Development): Rezoning to add -PD mandates a planned development permit and allows deviations from base district standards where the approved plan governs (see § 19.28.040) .

For full overlay detail see the Overlay chapter and the specific overlay subsections in Division IV (for example § 19.52.030 for airport overlays and § 19.52.070 for SD) .

Quick reference table — common decision-relevant items

Item Representative standard / permitted approach Code Reference
Permitted vs conditional symbol key P = permitted (zoning clearance), UP = use permit required, TU = temporary use (see notes) § 19.40.020; Key to tables in district chapters
Residential zone development standards See Table 4‑3A/B/C: lot size, setbacks, density — applied via § 19.42.030 § 19.42.030
Commercial/Office setbacks & heights Table 4‑7: example Front setback 15 ft. (OR); Height 35–45 ft. depending on subdistrict and proximity to R zones § 19.44.030 (Table 4‑7)
Manufacturing/Industrial coverage & buffering Table 4‑9: Site coverage up to 95% (ML); 20 ft. side/rear where abutting R districts; performance standards for glare/noise § 19.46.030 & § 19.46.040
Airport-specific use findings Use permit findings require compatibility with aviation, parking, and operational characteristics § 19.48.020 and Table 4‑10 notes
Planned Development flexibility Setbacks, heights, parking, open space can be modified per approved PD plan; PD rezones via Chapter 19.06 § 19.28.040
Unlisted uses / Similar-use interpretation Planning Director may find an unlisted use equivalent if it matches listed-use characteristics and intent § 19.02.030 (Procedures for interpretations)

Practical guidance and comparisons

  • If your proposed use is a common commercial or residential activity, first check the district table for P/UP status (see the district table chapter — e.g., § 19.44.020, § 19.42.030, § 19.46.030) . If it’s marked UP, expect discretionary review with public notice and conditions.
  • When a site sits across two zoning districts, the site must comply with both sets of standards; the code allows limited exceptions where one district is under 10% of site area (see § 19.40.020 C.1–2) .
  • Overlays frequently add required permits or recorded notices (e.g., airport avigation easements in -AE/-AO) — check the overlay chapter because overlays can require recorded notices and limit height even if the base district allows greater height (see § 19.52.030, § 19.52.010) .
  • For parking, landscaping, and screening, the district tables routinely say “in addition to Division V standards” — you must pull parking counts (see § 19.70.040) and landscaping requirements (see Chapter 19.68) and coordinate those with the land-use entitlement application .

Links embedded in first mention of topic: parking, development standards, design review, overlay districts, ADUs, California Building Standards Code.

Checklist (what an applicant must satisfy for a new or changed use)

  • Confirm base zoning district and locate the parcel on the official Zoning Map (verify boundary rules in § 19.40.020).
  • Check the district use table (Table 4‑3A/4‑6/4‑9 etc.) to see if the use is P/UP/TU and note any table notes (e.g., size thresholds, hours-of-operation triggers). See the district chapter: § 19.42.030, § 19.44.020, § 19.46.030.
  • If UP, prepare materials for a use permit per § 19.24 (public notice, findings).
  • Confirm applicable Division V site standards: parking (§ 19.70.040), landscaping (Chapter 19.68), screening/fencing (§ 19.60.060), signs (refer to signage chapter), and environmental/erosion/fire/permitting requirements.
  • Check overlays on the parcel (for example -FD, -AO, -AE, -RC, -SD, -PD) for additional entitlements (planned development, PD, or required recorded notices) — see § 19.52.010 and overlay-specific subsections.
  • If proposing residential components including ADUs, confirm compliance with the ADU section § 19.76.130 and state ADU laws.
  • If site is in an Airport-related district/overlay, be prepared for avigation easement/notice requirements and airport-compatibility findings. See § 19.48.010 and § 19.52.030.

Risks & Ambiguities

Issue Why it matters What to verify
Unlisted or novel use classification The code disallows unlisted uses unless the Director finds them equivalent; misclassification can cause denial or delay Confirm whether the Planning Director has previously made a similar interpretation or prepare a findings request under § 19.02.030
Zoning boundary uncertainty Project standards vary by district; an error in boundary interpretation changes set-backs, height, and allowed uses Determine exact boundary using the official Zoning Map and the boundary rules in § 19.40.020 D; consider a map amendment if boundaries cut the parcel oddly
Overlay requirements (airport, foothill, resource constraint) Overlays can add recorded notices, height limits, or special permits that override base district allowances Check overlay sections § 19.52.030 (airport), § 19.52.040 (FD/foothill), § 19.52.070 (-SD/-RC) and treat overlays as potentially dispositive
Parking and loading requirements District tables defer to Division V for parking; underestimating spaces will block permits Verify parking counts and design in § 19.70.040 and consult the parking rules
Manufacturing distinctions (volatile vs. non‑volatile) Manufacturing that is volatile/large triggers UP and performance standards Check the Table notes in manufacturing districts and § 19.46.040 performance standards; if the process is borderline, expect a use permit and performance mitigation

Plain-English Summary

Chico's zoning tables tell you whether a use is allowed (P), needs a conditional use permit (UP), or is only temporary (TU); each district table is supplemented by district-specific development standards for setbacks, heights, lot size and special rules such as airport overlays or foothill protections. Always check the district table for your parcel, the relevant overlay rules, and Division V standards for parking, landscaping, and performance rules before you design your project (verify via § 19.40.020, § 19.42.030, § 19.44.020, § 19.46.030).

Source References

  • Chico Municipal Code, Division IV — Zoning district rules and use tables (see district chapters and tables): § 19.40.020, § 19.42.030, § 19.44.020, § 19.46.030.
  • Overlay districts and special overlays (Airport, Resource Constraint, Special Design, Foothill): § 19.52.010, § 19.52.030, § 19.52.070, § 19.52.040.
  • Planned development procedures (PD) and plan-based modifications: § 19.28.040 and the planned development chapter.
  • Procedural keys and interpretation rules (how to treat unlisted uses, permit-key definitions): § 19.02.030 and the tables’ Key to Permit Requirements.
  • Performance standards for manufacturing/industrial: § 19.46.040.
  • Parking cross-reference (Division V): § 19.70.040 (number of parking spaces required) and related Division V chapters.

If you need a parcel-specific read of the district table entries for your address or the exact table row for a specific use (e.g., "restaurant", "personal storage", "manufacturing with volatile processes"), tell me the parcel address or the exact use and I will extract the P/UP/TU status and the relevant table notes and standards from the ordinance text.

Sources

Retrieved passages

  • Chico Zoning Code (Chapter 19.28) High relevance
  • Chico Zoning Code (article may) High relevance
  • Chico Zoning Code (Section 19.02.020) High relevance
  • CBC § 17 (Chapter 19.04) High relevance
  • Chico Zoning Code (§29) High relevance
  • Chico Zoning Code (Section 19.60.060) High relevance
  • CMC § 23 (Section 19.02.020) High relevance
  • Chico Zoning Code (Chapter 19.24) High relevance

Cited sections

Frequently asked questions

What can I build on an RS lot in Chico?

On an RS lot you can generally place single‑family housing and accessory uses permitted in the residential tables; exact minimum lot sizes, setbacks and density are set in Table 4‑3A/4‑3B/4‑3C and applied via § 19.42.030. ADUs are allowed subject to the ADU rules (see § 19.76.130) and state ADU law; verify the table for any use-permit triggers.

What are Chico setback requirements for commercial zones?

Commercial setbacks differ by subdistrict and are specified in Table 4‑7 (commercial/office general development standards). For example, OR shows a 15 ft. front setback, while some commercial districts have no front setback except where abutting an R district — see § 19.44.030 and Table 4‑7 for the applicable numbers.

Do I need a use permit for a restaurant or bar?

Check the commercial-use table (Table 4‑6) in § 19.44.020 — many restaurant/bar uses are P in commercial districts but may be UP if there are late-night hours, amplified music, or proximity to residential (300‑ft rule). The table notes spell out those triggers and cross-reference § 19.24 for use permits.

Can I convert an industrial building to live/work space?

The code allows live/work in certain districts (IOMU and some commercial zones) and addresses residential density for live/work separately. See the manufacturing/industrial IOMU allowances and Table 4‑9; mixed-use rules and density provisions are in § 19.46.030 and § 19.40.040 for mixed-use developments (mixed uses are allowed only if each component is allowed in the district). Verify whether a use permit is needed for ground-floor residential under the table notes.

What special rules apply if my property is near the Chico airport?

Airport-area zoning has special districts and overlays (A, AC, AM, AP and the -AO/-AE overlays). Uses and heights are restricted to protect operations; avigation easements, recorded notices, and airport-compatibility findings can be required prior to permits and building permits. See § 19.48.010 and § 19.52.030 for required findings and overflight/avigation requirements.

If my proposed use is not listed in the table, can it be allowed?

Possibly. The Planning Director can find an unlisted use to be equivalent to a listed use if it matches use characteristics and district intent; that procedure is in § 19.02.030. Alternatively the Director can forward the question to the Planning Commission for a public determination. Always verify comparability and applicable conditions.

Are there automatic height reductions where districts abut residential zones?

Yes — many district tables and notes require lower heights or increased setbacks where a district abuts an RS or R1 zone (for example, commercial and industrial tables include height/side/rear setbacks to protect residential neighbors). Check the applicable district table (e.g., Table 4‑7, Table 4‑9) and their notes for the exact rule in § 19.44.030 and § 19.46.030.

When can the PD (planned development) process change the numeric standards?

When a property is rezoned to include -PD, or when a project is approved through the planned development permit process, the Commission may authorize deviations from setbacks, height, parking, and open space standards consistent with the approved development plan — see § 19.28.040 for the scope and limits of PD flexibility.

Who interprets whether a proposed activity is similar to a listed use?

The Planning Director makes initial "similar use" interpretations under § 19.02.030; applicants may request Commission review if needed. Be prepared to document the comparable intensity, activities, and consistency with General Plan goals.

Where are parking counts and design standards found for a new use?

District tables defer to Division V for parking. The number of required spaces and design standards are in § 19.70.040 and the Division V chapters; always confirm parking early because it affects site layout and may drive a need for variances or PD relief. See parking and § 19.70.040.

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