Local zoning · Kings County

Kings County — Historic Preservation

Q: Do overlay designations (the CROZ) change my zoning or setbacks in unincorporated Kings County?

No. The CROZ – Cultural Resources Overlay Zone is strictly informational and does not change the use or numeric development standards of the underlying base district; however, projects that remove, destroy, or alter a designated historic site are subject to referral and recommended mitigation. § 1011

Historic Preservation under the Kings County local zoning and planning code, with the controlling citations.

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Last reviewed: July 3, 2026

Overview

This page summarizes how historic preservation is handled by the Kings County Development Code (the local zoning/planning ordinance that governs unincorporated areas). The County uses an informational Cultural Resources Overlay and referral/consultation steps in discretionary reviews; the overlay does not change base-zone uses but triggers review and recommended mitigation when a designated resource is affected. See the County Development Code for the full procedural rules and dimensional standards that still apply in each base district. § 101, § 105, § 1011

Important internal links (first natural mention of each topic below):

For parking rules see Kings County Parking.
For setbacks and other development rules see Kings County Development Standards.
For administrative review processes see Kings County Design Review and Variances and Exceptions.
Historic overlays are implemented through Kings County Overlay Districts.
How ADUs interact with historic resources is summarized on the County ADU / state guidance page California ADU law.
The state code options for historic structures are in the California Building Standards Code (including the California Historical Building Code). § 1603, CHBC

Controlling framework (short)

The local zoning regulations are published as the Kings County Development Code (Appendix A; Ordinance No. 668.20). The Code’s purpose includes preserving and protecting historic and cultural resources as part of county planning. § 101, § 105
The County uses a Cultural Resources Overlay Zone (CROZ)—also shown as the CR Overlay Zone—to flag designated historic sites or County landmarks. The CROZ is informational and does not change the underlying base-zone permitted uses or development standards; however, proposals that remove, destroy or alter designated resources are referred for recommended mitigation. § 1011
Discretionary review processes (Site Plan Review; Conditional Use Permits; Planning Commission referrals) require consultation with the Kings County Museum Advisory Committee (or successor) when a project affects proposed or designated historic sites or County landmarks. §§ 1603, 1704

How the Cultural Resources Overlay (CROZ) works, in plain terms

The CROZ is applied on the zoning map to parcels identified as cultural or historic resources and appears as an overlay label; it is an advisory flag, not a separate base district. It does not change permitted uses or numeric development standards of the underlying zone. When a permit application would remove, destroy, or materially alter a designated resource, the project must be referred to the Kings County Museum Advisory Committee for recommendations; the referral occurs through normal discretionary review channels. § 1011, § 1603, § 1704

District-by-district breakdown (how historic-preservation review interacts with each base zoning district)

Note: historic-preservation controls in Kings County are implemented primarily via the CROZ and project referrals; the numeric development standards (setbacks, height, lot coverage) are set in each base district and remain in force. For parcel-specific effects, always verify with the County. § 1011, § 303

RR (Rural Residential) — Article 5 / Residential Districts

Purpose: RR provides very low‑density single‑family residential uses and supports agricultural/rural patterns in unincorporated areas. See Residential district table. §§ 501–508, Table 5-2
Typical permitted uses: single‑family dwellings, accessory structures, limited home occupations (see Article 11 for accessory rules). § 501–508, § 1101
Key dimensional standards (decision-relevant): minimum lot area and setbacks are controlled by Table 5‑2 (e.g., large minimum site areas for R‑1‑20/RR categories; front setbacks shown in Table 5‑2). Use the County Development Standards and Table 5‑2 for exact numbers. Table 5-2, Art. 5 §§ 501–508
Where CROZ applies: CROZ is layered on top of RR parcels when a parcel is designated historic; CROZ does not change RR uses but requires referral on alterations to designated resources. § 1011

R‑1 (Single‑Family Residential) — Article 5 / Residential Districts

Purpose: R‑1 zones accommodate single‑family residential development at gradations of density (R‑1‑20, R‑1‑12, R‑1‑8, R‑1‑6, R‑1‑3). Table 5‑2 contains the lot size, setbacks, height and coverage standards. § 501–508, Table 5‑2
Typical permitted uses: detached single‑family homes and accessory structures; accessory dwelling units (ADUs) are addressed in Article 5 with specific setback/height notes (see cross‑reference to Sec. 507 for ADU setbacks). § 507, Table 5‑2
Historic review effect: projects that alter a designated resource must be referred for recommendations; ADU work on a historic property is allowed but must meet both ADU-specific rules and any CROZ referral/mitigation. § 1011, § 507

RM (Multifamily Residential) — Article 5

Purpose: RM‑3, RM‑2, RM‑1.5 provide increasing multifamily densities; standards for minimum site area, setbacks and FARs are set in Article 5 (Table 5‑2). Table 5‑2, Art. 5 §§ 501–508
Typical permitted uses: multifamily dwellings, accessory uses as listed in Article 11. § 501–508, § 1101
Historic review effect: same CROZ referral process applies; demolition or exterior alterations to structures in an RM district that are designated require Museum Advisory Committee referral during Site Plan Review or discretionary permit. § 1011, § 1603

MU / MU‑D (Mixed Use / Downtown Mixed Use) — Article 7

Purpose: MU / MU‑D encourage blended commercial/residential development. Table 7‑1 and 7‑2 list permitted uses and development standards, including maximum residential floor area percentages and special sidewalk/frontage rules. Table 7‑1, § 704
Typical permitted uses: retail, service, office, and residential (usually subject to Site Plan Review for new construction). Table 7‑1 indicates whether a use is Permitted (P), Site Plan Review (S) or Conditional (C). Table 7-1, Table 7-2
Historic review effect: existing historic buildings in MU zones are still subject to CROZ informational overlay; alterations that would materially change a designated resource are referred for mitigation recommendations. § 1011, §§ 1601–1613

C (Commercial) — Article 6

Purpose: Commercial districts (CN, CS, CT, CH, CR) serve retail/service uses; Table 6‑1 and Table 6‑2 give precise setbacks, height limits and permitted uses. Table 6‑2 (development standards) is the numerical reference for setbacks/height in commercial zones. Table 6‑2, Art. 6 §§ 601–606
Historic review effect: CROZ does not change commercial permitted uses, but demolition of a designated historic commercial building triggers referral and recommended mitigation; commercial projects that involve adaptive reuse of a designated structure will follow Site Plan Review procedures. § 1011, § 1603

I (Industrial) — Article 8

Purpose: I districts (IL, IH) allow light and heavy industrial uses; standards in Table 8‑2 control setbacks and heights where applicable. Table 8‑2, Art. 8 §§ 801–805
Historic review effect: if an industrial‑zoned parcel contains a designated historic structure/site, CROZ flags the resource; alterations/demolition require referral for recommended mitigation and may trigger discretionary review. § 1011, § 1704

PF (Public Facilities) — Article 9

Purpose: PF is for publicly owned or operated facilities. Table 9‑2 lists development standards. Table 9‑2, Art. 9 §§ 901–905
Historic review effect: public projects affecting designated resources are subject to the same informational overlay and the County’s consultation/referral steps; additional state/federal historic‑preservation laws may apply. § 1011, § 1603

Quick reference table — decision‑relevant historic‑preservation standards and triggers

Issue / Standard	What the code says (plain)	Code Reference
Cultural Resources Overlay (CROZ) — nature	Informational overlay; does not change underlying base‑zone uses or numeric standards; flags designated sites and landmarks for staff/public awareness.	§ 1011
Referrals when a designated resource is affected	Any application that involves removal, destruction, or alteration of a proposed or designated historic site or County landmark shall be referred to the Kings County Museum Advisory Committee (or successor) for recommended mitigation.	§ 1011; § 1603; § 1704
Site Plan / Discretionary review timing	Site Plan Reviews and Conditional Use Permits include consultation/referrals; Zoning Administrator prepares investigation and includes consultation results within the 15‑working‑day review timeline (approval or rejection).	§§ 1602–1603; § 1704
Where to find numeric standards (setbacks, heights, coverage)	Base‑zone numeric standards remain controlling; consult Table 5‑2 (Residential), Table 6‑2 (Commercial), Table 7‑2 (Mixed Use), Table 8‑2 (Industrial).	Table 5‑2; Table 6‑2; Table 7‑2; Table 8‑2; Art. 5–8 §§ 501–805
ADUs on historic properties	ADUs are allowed; local ADU standards must be objective and cannot unreasonably restrict ADUs, but ADU work impacting a designated historic resource will still be subject to CROZ referral/mitigation.	Sec. 507 note; ADU guidance in Article 5; County ADU cross‑references

Checklist — what an applicant must satisfy for projects affecting historic resources in unincorporated Kings County

Confirm whether the parcel is mapped with the CROZ – Cultural Resources Overlay Zone on the Official County Zoning Map (CROZ flag). § 1011
Prepare application drawings that show existing conditions and the proposed removal/alteration; identify historic features and materials to be affected. § 1603, § 1704
Submit the project for the correct review path (Site Plan Review / Conditional Use Permit) — discretionary reviews will trigger outside‑agency consultation including the Museum Advisory Committee when a designated resource is involved. §§ 1601–1613; 1701–1717
Prepare mitigation measures (as recommended by the Museum Advisory Committee) and environmental documentation if CEQA is triggered. § 1603; CEQA cross‑references in Article 1
Demonstrate compliance with the underlying zone’s development standards (setbacks, height, coverage, parking); see relevant Tables (Table 5‑2, 6‑2, 7‑2, 8‑2) and Parking. Table 5‑2, Table 6‑2, Table 7‑2, Table 8‑2
If the structure qualifies as a historic building under state rules, consider applying the California Historical Building Code alternatives through the Building Official for preservation‑sensitive repairs/rehab. CHBC reference

Risks & Ambiguities

Issue	Why it matters	What to verify
Who formally designates a “County landmark”	Designation triggers CROZ mapping and referral, but the Development Code text refers to “designated historic sites or County landmarks” without detailed local designation procedure in the snippets reviewed.	Verify the County’s landmark designation procedure (not found in retrieved materials); ask County Community Development or County Clerk which ordinance/administrative process creates the designation. § 1011; designation procedure: Not found in retrieved materials.
Whether CROZ imposes new numeric limits	Overlay is described as informational and explicitly does not change use/development standards, but mitigation recommendations can affect project scope.	CROZ does not change base standards; mitigation is recommended through referral—confirm whether mitigation will be required as permit conditions. § 1011; § 1603
CEQA vs. local referral timing	CEQA may require historical‑resource analysis and alternatives; timing of Museum Advisory Committee recommendations relative to CEQA review matters for project schedule.	Verify whether CEQA review (initial study / MND / EIR) must precede final discretionary decision; see Article 1 CEQA cross‑references and coordinate with County staff. § 1603; Art. 1 CEQA cross‑refs.
ADU demolition rules in a historic district	State ADU rules permit ADUs in historic districts but allow local objective standards to prevent adverse impacts; demolition related to an ADU may trigger district historic review.	Confirm ADU application requirements and whether simultaneous demolition of an accessory structure triggers CROZ referral; see Sec. 507 and ADU guidance. § 507; ADU guidance: Noted in Article 5 and state ADU guidance.
What counts as “alteration” requiring referral	The Code requires referral for removal, destruction, or alteration, but “alteration” scope is not exhaustively defined in the snippets.	Verify with the County what thresholds of change (materiality, historic fabric) trigger mandatory referral and the Museum Committee’s role in conditions. § 1011; referral language is clear but thresholds: Not found in retrieved materials.

Plain-English Summary

If your property in unincorporated Kings County is mapped with the Cultural Resources Overlay (CROZ) or is a designated County landmark, the overlay itself doesn't change how tall or how close to the property line you can build — but any proposal that would remove, destroy, or materially alter the historic resource will be referred to the Kings County Museum Advisory Committee for recommended mitigation as part of the County’s Site Plan Review or discretionary permit process. § 1011, § 1603, § 1704

Source References

Kings County Development Code (Appendix A — Development Code No. 668.20), Sec. 101 (Title and authority) § 101
Kings County Development Code, Statement of Purposes and Objectives, § 105 (purposes including preservation) § 105
Kings County Development Code, CROZ – Cultural Resources Overlay Zone, § 1011 (Cultural Resources Overlay Zone—informational overlay; referrals for removal/alteration) § 1011
Kings County Development Code, Site Plan Reviews and consultation list, § 1603 (consultation with Museum Advisory Committee when historic resources affected) § 1603
Kings County Development Code, Planning Commission Actions & Conditional Use Permits, § 1704 (investigation and referral to Museum Advisory Committee when project affects landmarks) § 1704
Kings County Development Code, Article 3 (Establishment and designation of zoning districts) and Sec. 303 on the effect of district regulations § 303; Sec. 304 (land use equivalency) §§ 303–304
Kings County Development Code, Article 5 (Residential districts) — Table 5‑2: Development standards for residential zoning districts (setbacks/areas) Table 5‑2; Art. 5, §§ 501–508
Kings County Development Code, Article 6 (Commercial districts) — Table 6‑2: Development standards for commercial districts Table 6‑2; Art. 6, §§ 601–606
Kings County Development Code, Article 7 (Mixed‑Use districts) — Table 7‑1 and Table 7‑2 (permitted uses and development standards) Table 7‑1/7‑2; Art. 7 §§ 701–705
Kings County Development Code, Article 8 (Industrial districts) — Table 8‑2 development standards Table 8‑2; Art. 8 §§ 801–805
California Historical Building Code (CHBC) referenced as a state alternative for qualified historic buildings (state code document provided) CHBC
County ADU and state ADU guidance referenced in the Code (ADU setback and applicability notes) — see cross references to Sec. 507 / ADU notes in Article 5 and state ADU guidance

Sources

Retrieved passages

Kings County Zoning Code (Article 11.) Medium relevance
Kings County Zoning Code Medium relevance
California Fire Code Medium relevance
Kings County Zoning Code (Title and) Medium relevance
Kings County Zoning Code (Section 1500) Medium relevance
Kings County Zoning Code (Article 24) Medium relevance
Kings County Zoning Code Medium relevance
Kings County Zoning Code (chapter shall) Medium relevance
Kings County Zoning Code Medium relevance
Kings County Zoning Code Medium relevance
Kings County Zoning Code (Article 23) Medium relevance
Kings County Zoning Code Medium relevance
Kings County Zoning Code (Chapter 14) Medium relevance
Kings County Zoning Code (Section No.) Medium relevance
Kings County Zoning Code Medium relevance

Cited sections

Official Kings County code library

Frequently asked questions

Do overlay designations (the CROZ) change my zoning or setbacks in unincorporated Kings County?

No. The CROZ – Cultural Resources Overlay Zone is strictly informational and does not change the use or numeric development standards of the underlying base district; however, projects that remove, destroy, or alter a designated historic site are subject to referral and recommended mitigation. § 1011

If my building is listed as a County landmark, who reviews proposed demolition or exterior alterations?

When a proposed removal, destruction, or alteration affects a designated historic site or County landmark, the application must be referred to the Kings County Museum Advisory Committee (or its successor) for recommended mitigation as part of the Site Plan Review or discretionary permit process. § 1011; § 1603; § 1704

Do I still have to meet setbacks, parking and height rules if my property is in the CROZ?

Yes — the underlying base‑zone numeric standards remain controlling. Consult the County’s Development Standards and the relevant tables (Table 5‑2 for residential, Table 6‑2 for commercial, Table 7‑2 for mixed use, Table 8‑2 for industrial) for the precise setbacks, parking and height standards. Table 5‑2, Table 6‑2, Table 7‑2, Table 8‑2

Can I build an ADU on a parcel with a designated historic building in unincorporated Kings County?

Yes. ADUs are permitted subject to ADU rules; local ADU standards must be objective, and ADUs are allowed in historic districts, but any work that would remove or alter a designated resource will be referred for recommendations under the CROZ process. See ADU notes in Article 5 and state ADU guidance. § 507; ADU guidance

Will the CROZ automatically stop a project that affects a historic resource?

No—CROZ itself is informational and does not by itself prohibit changes. It creates a mandatory referral pathway: projects that remove/destroy/alter a designated resource are referred to the Museum Advisory Committee for recommended mitigation; the County then considers those recommendations during discretionary review and CEQA analysis as applicable. § 1011; § 1603

Where are the numeric standards (front setback, side setback, height) listed for residential and commercial zones?

Numeric standards are listed in the development‑standards tables: Table 5‑2 for Residential zones (R‑1, RM, RR), Table 6‑2 for Commercial zones, Table 7‑2 for Mixed Use, Table 8‑2 for Industrial. Look up the relevant table for the zone of your parcel and check the specific row for front/side/rear setbacks and height limits. Table 5‑2; Table 6‑2; Table 7‑2; Table 8‑2

Who actually designates a County landmark or decides what gets mapped in the CROZ?

The Development Code references “designated historic sites or County landmarks” and applies CROZ to those parcels, but the local designation procedure (who nominates, what body makes the final designation) was not found in the retrieved excerpts. Verify the designation procedure with Kings County Community Development or Clerk; the CROZ text itself is in § 1011. § 1011; designation procedure: Not found in retrieved materials.

If my project affects a historic resource, when will the Museum Advisory Committee get consulted during the review?

The code requires referral during the Zoning Administrator’s investigation for Site Plan Reviews and the Planning Commission review of discretionary permits; those consultation steps are part of the report and recommendation process the County uses. See the Site Plan Review and Planning Commission investigation sections. §§ 1603; 1704

Can I use alternative building‑code provisions for a historic building?

If a structure qualifies as a historical building under state criteria, the California Historical Building Code (CHBC) provides alternative rules for preservation repair/rehabilitation; discuss CHBC use with the Building Official as part of plan check. CHBC reference

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