Local jurisdiction · Humboldt County

Eureka Zoning, Planning & Building Codes

What you can build in Eureka depends on its local zoning and planning code, layered on the California Building Standards Code. Ask GoCodebook about any Eureka address.

Key points

Zoning districts & allowed uses Setbacks & height limits FAR, lot coverage & density Building permits Remodels & change of use ADUs & JADUs Parking requirements Planning & design review

Last reviewed: July 3, 2026

Overview

Eureka’s zoning and land-use rules live in the City’s Zoning Code (Chapter 155 of the Eureka Municipal Code) and related chapters for coastal areas (Chapter 156) and historic preservation (Chapter 157). The Zoning Code sets district maps, allowed uses, and the citywide development standards that govern setbacks, height, parking and review procedures; coastal-zone properties are also regulated by the Local Coastal Program Implementation Plan in Chapter 156 (coastal zoning). See § 155.104.060 and § 155.104.070 for applicability and the code’s relationship to the coastal program.

How Eureka’s code is organized

  • The municipal Zoning Code is codified as Chapter 155 and contains the land-use rules (definitions, district rules, development standards, review procedures, and enforcement). The code explicitly states applicability and administrative responsibilities in § 155.104.060 and the code’s relationship to the Local Coastal Program in § 155.104.070.
  • Official zoning maps are adopted as the Inland Zoning Map (with a separate Coastal Zoning Map in Chapter 156) and are incorporated by reference; map adoption and amendment rules are in § 155.116.030 and the map-amendment procedures follow § 155.432.
  • Subchapters organize the code by topic: zoning district tables and rules (residential, commercial, industrial, public), development-standards divisions (setbacks, height, FAR/site coverage), parking, design/site-plan and architectural review, use-permit/variance procedures, overlays and special districts, and enforcement (see the headings across Chapter 155). Examples: residential districts begin at § 155.204 and site-plan/architectural review rules are in § 155.180–155.188.

Zoning district families (citywide)

Eureka groups districts into conventional families and several special/overlay designations. The code text lists and describes the purposes and permitted uses for each family; below are the actual district names you will encounter in the code text and map (bolded as they appear in the regulations):

  • Residential districts: RE (Residential Estate), R-1 / R1 (Residential Low), RS, RM (multi‑family) — the residential district purposes and purposes-of-district text are in § 155.204.010 and the broader residential district rules in § 155.204.
  • Commercial and mixed-use districts: (zoning tables list neighborhood and downtown commercial allowances; consult the district use tables in the Zoning Districts subchapter) — permitted and conditional uses are expressed in each district’s land‑use table (see the district tables in the Zoning Districts subchapter).
  • Industrial districts: ML (Limited Industrial) and similar industrial designations — permitted uses and conditional-use categories (with special provisions for e.g., cannabis facilities) are in the industrial district tables.
  • Public / special districts: P (Public District) and PF/M (Public Facility / Marina District) (purpose and permitted public uses are in § 155.079 / 156.079).
  • Planned / flexible districts: PD (Planned Development) — a PD requires a district-level use permit and a full plan set; PD procedures are in §§ 155.280–155.299.
  • Overlays & combining districts: the code contains several overlays, for example the Neighborhood Market Overlay (NMO) and the Special Considerations Overlay (SCO) (see the NMO and SCO descriptions in § 155.224 and § 155.224.040). The coastal chapter (Ch. 156) also includes overlay and combining districts such as the AR — Architectural Review Combining District at § 156.082.

(When you consult the zoning map you will see base districts plus overlay notations; map location and legend rules are in § 155.116.030.)

Citywide development standards (high-level orientation)

Eureka’s Zoning Code centralizes physical development standards and cross-references them from each district (so district tables reference common standards for setbacks, height, floor-area ratio, coverage, and parking):

  • Setbacks, projections, and accessory‑feature encroachments are controlled by the development-standards division — see rules for minimum setbacks, building projections, and accessory structures in § 155.308.030 and related figures referenced in the zoning district chapters.
  • Height, floor‑area ratio (FAR), and site coverage limits are set in district-specific tables and are referenced in the SB 9 and multiple-dwelling provisions (district maxima appear in Tables 204-2 / 204-2.1 as cited throughout Chapter 155). See the district standards and how SB 9 interacts with those maxima at § 155.204.040.
  • Parking: off‑street parking standards are centralized in the parking division; the code requires off‑street parking per the tables in § 155.115–155.124 and the parking chapter cross-references are collected at § 155.324. For practical on‑site parking rules and administrative adjustments, see § 155.324 and small‑lot/urban‑lot split parking exceptions in § 155.332. For quick guidance on how parking is required, consult the city’s parking rules. (link: the city’s parking overview is available here: /us/california/eureka/parking)
  • Design and entry/garage standards: building entry, architectural relief, and garage‑width rules for non‑single‑family new buildings are in § 155.312; site plan drawings and submittal requirements are in § 155.183. See the city’s design review overview for more on how those standards are applied. (link: design-review: /us/california/eureka/design-review)
  • Landscaping, screening and vision clearance: landscaping requirements are collected in the landscaping division (e.g., § 155.328) and vision-clearance rules are in § 155.308.040.

Note: specific numeric setbacks, heights, and FARs are shown in the district tables (the Zoning District subchapter and the district-specific tables and figures); always consult the district table for a parcel’s exact numeric standards (see the district tables in Chapter 155).

Specific plans & overlays

  • The code supports project-specific or area-specific policies through overlay zones and special-designation chapters. The Neighborhood Market (NMO) Overlay applies narrow neighborhood commercial standards and alternate building envelopes where designated and is established in § 155.224.
  • The Special Considerations Overlay (SCO) can be applied citywide by ordinance to allow development flexibility (modifications must remain consistent with the General Plan and the implementing ordinance is described in § 155.224.040).
  • The Local Coastal Program controls development in the coastal zone via Chapter 156 (the Implementation Plan is separate from Chapter 155 and governs coastal permits and the Coastal Zoning Map), see § 155.104.070 and Chapter 156 provisions (e.g., Architectural Review Combining District § 156.082).
  • Historic properties and preservation districts are controlled in Chapter 157; alteration and demolition procedures, design‑review requirements for designated properties, and enforcement tools are in Chapter 157 (see § 157.007 and the related review rules).

(For a parcel-specific answer on overlays and which special plan applies, check the Inland Zoning Map and the property listing in the overlay tables cited in § 155.116.030 and § 155.224.)

Building permits & review — the typical permit path

  1. Pre‑application: confirm base zoning, overlays, and General Plan consistency (district rules in Chapter 155 and map location per § 155.116.030).
  2. Zoning clearance / zoning permit: the code makes a zoning permit a prerequisite to a building permit — a zoning permit is required before a building permit will be issued and the code requires a certificate of occupancy to match the zoning permit (§ 155.335, § 155.336, § 155.337).
  3. Review tracks and discretionary permits:
    • Administrative review / minor use permits (Director) and conditional use permits (Planning Commission) are defined in the use‑permit rules; required findings and public‑notice/hearing rules are in § 155.412.120 and related §§ (use‑permit sections and the use‑permit findings at § 155.285).
    • Site‑plan review and architectural review: routine permitted‑use projects are subject to site‑plan review; conditional uses may require architectural review and submittal drawings are specified in § 155.183 (site plan drawings) and referral to the Design Review Committee in § 155.184. (link: design-review: /us/california/eureka/design-review)
    • Variances and administrative adjustments: standards for variances (what may and may not be varied) and the findings required are in § 155.412.140 and the variance subchapter (see the variance rules and limits).
    • Planned Development (PD) projects require a PD use permit for the district and an approved plan for the entire PD (see §§ 155.280–155.299) and PD applications must meet the plan submittal standards referenced in those sections.
  4. Building permit issuance: the Building Official will not issue a building permit until the Director of Community Development has approved the zoning permit (and coastal development permit if in the coastal zone) — see § 155.337.
  5. Compliance, certificates and enforcement: certificates of occupancy and enforcement procedures are described in the code; enforcement and penalties are in § 155.428.

State housing law in Eureka — how statewide mandates interact with local rules

  • ADUs / JADUs: Eureka explicitly references accessory dwelling unit rules and has a dedicated ADU subsection § 155.316 (the code cross‑references ADU standards and allows ADUs subject to the state ADU rules modified by local objective standards listed in the ADU subsection). Consult § 155.316 for Eureka’s ADU standards and the code’s cross‑references to state rules. (link: ADUs: /us/california/eureka/adu)
  • SB 9 / urban lot splits: Eureka implements SB 9‑style two‑unit and urban lot‑split provisions — the ordinance creates an SB 9 housing development track for the RE and R1 districts in § 155.204.040 and provides an urban lot split procedure for RE and R1 in § 155.332.030 (minimum lot area, historic‑district exclusions, and hazard exclusions are specified). These tracks include objective eligibility requirements and cross‑reference the district maximums for height, FAR and coverage. (link: California housing laws: /us/california/housing-laws)
  • Density bonus / affordable housing incentives: Eureka provides infill and density incentives through special permit mechanisms (e.g., infill incentive permits and density‑related standards) with findings and public‑notice tracks — the code lists infill incentive findings and eligibility criteria (see the infill incentives and findings text in the Zoning Code subchapters).
  • Local rent control & tenant protections: the Zoning Code itself does not establish rent‑control ordinances — rental‑regulation issues are normally housed elsewhere in municipal code; the Zoning Code does, however, protect existing affordable units from demolition in some state‑required SB‑9/ADU contexts (see the SB 9 eligibility constraints in § 155.204.040). For rent regulation, verify with the City’s municipal code chapters outside Chapter 155.

Practical notes:

  • Always check the district table for parcel‑specific numeric rules (setbacks, height, FAR, coverage) — district tables are the controlling local source and are referenced throughout Chapter 155.
  • The zoning permit is the gatekeeper: no building permit until the zoning permit (and coastal permit where applicable) is approved (§ 155.335–155.337).
  • For projects in the coastal zone, the Chapter 156 Implementation Plan controls where conflicts exist; in the coastal zone the coastal Implementation Plan governs over Chapter 155 where inconsistent (§ 155.104.070).

Information Gaps / What to verify with the city

  • Exact numeric district standards (numerical setback, height, FAR and lot coverage values) are contained in the district tables and figures; those tables must be consulted for parcel‑level work (district tables and Figures 204‑2 / 204‑2.1). See the district tables in Chapter 155 for the exact numerics.
  • Recent fee schedules, application forms, and up‑to‑date zoning map layers (the Zoning Map is maintained electronically by the Department and should be checked for the current overlays and SCO/NMO property listings per § 155.116.030).

Source References

  • Eureka Municipal Code, Chapter 155 (Zoning Code), applicability and relationship to coastal program — § 155.104.060; § 155.104.070.
  • Zoning map adoption and amendment rules — § 155.116.030.
  • Residential districts and purpose text — § 155.204.010 and district subchapter § 155.204.
  • SB 9 housing developments (two-unit track) — § 155.204.040.
  • Urban lot split provisions — § 155.332.030.
  • ADU cross‑reference and ADU subsection — § 155.316 (ADU standards referenced throughout Chapter 155).
  • Zoning permits and building‑permit prerequisite — § 155.335, § 155.336, § 155.337.
  • Use permits (minor use permit / conditional use permit procedures and findings) — § 155.412.120 and use‑permit findings § 155.285.
  • Site plan / architectural review submittal rules — § 155.183, referral procedures § 155.184.
  • Overlay rules: Neighborhood Market Overlay (NMO) and Special Considerations Overlay (SCO) — § 155.224 and § 155.224.040.
  • Historic preservation (Chapter 157) responsibilities and demolition/alteration rules — § 157.007, § 157.008.
  • Enforcement and penalties — § 155.428.

Where to read the Eureka code

The Eureka municipal and zoning code is published on American Legal Publishingview the official Eureka code library. That lets you read the ordinance section by section.

GoCodebook goes beyond browsing American Legal Publishing (see how they compare): it reads the Eureka ordinance together with the California Building Standards Code and answers your question — zoning, setbacks, FAR, height, ADUs, permits — with the controlling citation for your parcel.

Who this affects

Eureka homeownersReal estate developersArchitects & designersReal estate agentsInvestorsGeneral contractorsADU buildersPermit consultants

Frequently asked questions

What zoning districts does Eureka have?

Eureka’s rules are organized by standard base zoning families (residential, commercial, industrial, public) and overlays. Representative district names you will encounter in the code and map include RE (Residential Estate), R1 / R‑1 (Residential Low), RM/RS (multi‑ or small‑lot residential), ML (Limited Industrial), P (Public) and PD (Planned Development), plus overlays like NMO and SCO; see the district tables in Chapter 155 (e.g., § 155.204) and the zoning map rules at § 155.116.030.

Do I need a zoning permit before a building permit in Eureka?

Yes — the Zoning Code requires a zoning permit before the Building Official can issue a building permit (and a coastal development permit where the coastal program applies). See § 155.335–155.337.

What is the process for a conditional use or other discretionary permit?

Discretionary uses are processed as either a minor use permit (Director) or conditional use permit (Planning Commission); required findings, notice and hearing rules are in § 155.412.120, and specific findings for use permits appear at § 155.285.

Can I build two units on my R‑1 lot under SB 9 in Eureka?

Eureka has an SB 9 housing‑development track allowing up to two primary single‑family homes in the RE and R1 districts when eligibility criteria are met (environmental/historic/hazard exclusions and compliance with district maxima). See § 155.204.040 and the urban lot split provisions in § 155.332.030.

Where are the citywide parking and setback rules?

Off‑street parking standards are consolidated in the parking provisions (see § 155.115–155.124 and cross references such as § 155.324); setback projections, permitted encroachments and accessory‑structure setback rules are in § 155.308.030 and related figures called out in the district chapters. (link: parking overview: /us/california/eureka/parking)

How does design review work for projects in Eureka?

Site plan review and architectural review requirements, submittal drawings and referral to the Design Review Committee are established in § 155.180–155.188 (see § 155.183 for required drawings and § 155.184 for referral). Projects subject to historic‑district rules also require Historic Commission review under Chapter 157. (link: design-review: /us/california/eureka/design-review)

Does the coastal zone use the same zoning rules?

Coastal-zone properties are governed by the Local Coastal Program Implementation Plan in Chapter 156; where Chapter 156 conflicts with Chapter 155 the Implementation Plan governs in the coastal zone pursuant to § 155.104.070.

Can the city grant variances to height, setbacks or parking?

Yes — variances allow deviations from physical development standards like height, setbacks, FAR and parking when the code’s variance findings are met; variance rules and limits are in the variance subchapter and summarized in § 155.412.140. Some items are explicitly non‑variably in related subchapters — consult the variance subchapter for the complete rules.

What happens to nonconforming lots or uses?

The Zoning Code treats legally established non‑conforming lots and uses in dedicated sections; for example non‑conforming lots may still exercise the development rights of the zone but must meet current setback, coverage and parking standards as required in § 155.424.070 and related nonconforming‑use provisions.

Where can I check whether an overlay (like NMO or SCO) applies to my property?

Overlay designations and the properties to which they apply are listed on the Inland Zoning Map and in the overlay tables called out in § 155.116.030 and the overlay text (e.g., § 155.224 for NMO and SCO). Confirm with the Department’s electronic zoning map.

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