Monterey Park — Historic Preservation

Last reviewed: July 2, 2026

Overview

This page summarizes what the Monterey Park Zoning Code says about historic preservation, how the code treats cultural resources, and which approvals and development standards are relevant when work affects potentially historic buildings, structures, or sites. For the citywide context, see the Monterey Park zoning & planning overview. Verify with the jurisdiction for parcel‑specific applicability.

How the Zoning Code treats historic resources (quick legal anchors)

• The Code defines "Cultural resource" broadly (structures, sites, landscapes, districts listed in or eligible for the National Register) in § 21.04.291.
• The Code defines "Demolition" for review purposes in § 21.04.305.
• The Planning Commission may treat nationally, State, or locally designated historic buildings/uses as nonconforming and exempt from ordinary nonconforming rules under § 21.30.130.
• Wireless/antenna work is explicitly constrained when a building or district is listed or eligible for listing: no wireless facilities may be placed on or in a listed/eligible historic property unless the City finds there will be no adverse effect on the historic character (see § 21.34.040(F)(2)).
• Projects in overlay or planned development areas must demonstrate design compatibility via the precise‑plan/conditional findings in § 21.15.140 and § 21.15.150.

Because the Zoning Code cross‑references the General Plan and other chapters for development rules, applicants should consult the specific development standards and the City Planner for interpretation (authority: § 21.02.070, § 21.02.090, § 21.02.120).

District-by-district breakdown

Below are the municipal zone designations listed in the Code. For each district I summarize the Zoning Code purpose, typical permitted uses (where the Code lists them), key dimensional/development standards that are frequently decision‑relevant for historic properties, and where the district typically applies. The Code’s master list of zone names appears at § 21.02.210.

Note: in all districts the City applies the Code’s definition of Cultural resource and demolition rules (§ 21.04.291, § 21.04.305) where relevant.

R-1 (Single‑Family Residential)

• Purpose: preserve single‑family residential character as defined in § 21.02.210.
• Typical permitted uses: single‑family dwelling unit by right; accessory uses subject to limits (see Table 21.08(A) for residential uses).
• Key standards: residential development standards and setback/encroachment rules apply (see § 21.08.080 and Table 21.08(C) for encroachments). Historic houses in R-1 seeking additions must follow the residential development standards and the City Planner interprets ambiguous uses (§ 21.02.120).
• Where it applies: majority of single‑family neighborhoods (zoning map; see § 21.02.220).

R-2 (Medium Density Residential)

• Purpose: allow duplex/multi‑unit where appropriate; maintain residential scale. Table 21.08(A) lists typical allowed uses (multi‑dwelling is allowed).
• Key standards: same § 21.08.080 development framework as other residential zones; additions to older apartment buildings must demonstrate compatibility with massing, materials, and design.

R-3 (High Density Residential)

• Purpose: higher density residential uses; supportive housing and emergency shelters allowed under stated rules. § 21.02.250 and § 21.02.240 give rules for supportive housing and shelters.
• Key standards: allowed uses include multifamily; height, setback, and parking standards are the key code items to check when retrofitting or rehabilitating older multifamily properties. See Table 21.08(A) and § 21.08.080.

N-S (Neighborhood Shopping Center)

• Purpose: neighborhood retail and services adjacent to residential areas. § 21.02.210 defines the zone names.
• Typical uses: local retail, small offices; design rules for ground‑floor interaction and storefronts apply in pedestrian corridors (see downtown/pedestrian design rules).

S-C (Shopping Center)

• Purpose: larger retail/ commercial centers; design and parking standards control expansion and façade changes. Check the Code’s commercial design regulations (façade orientation, storefront windows) when altering historic commercial buildings.

C-B (Central Business)

• Purpose: downtown core uses with pedestrian orientation; downtown design regulations apply (clear fenestration, pedestrian realm rules). See pedestrian realm and design standards (e.g., façade, storefront guidance) for downtown in the Code.
• Practical note: historic commercial storefronts in C-B are reviewed against downtown design standards and precise plan/conditional findings when applicable (§ 21.15.150).

R-S (Regional Specialty Center)

• Purpose: specialized regional retail/service uses; design regulations may be applied by precise plan to ensure compatibility. Check any P‑D overlays that govern large centers.

C-S (Commercial Services) and C-P (Commercial‑Professional)

• Purpose: service, office, and professional uses; rehabilitation of older service buildings must comply with building orientation, materials, and compatibility rules in the Code’s design sections.

O-S (Open Space)

• Purpose: to preserve areas with recreation, conservation, and importantly “historic, cultural” uses — the O‑S purpose explicitly mentions historic and cultural uses in § 21.07.010. Use or adaptive reuse proposals in an open space zone must comply with O‑S permitted uses.

P-D (Planned Development Overlay)

• Purpose: flexibility in design to achieve quality development; P‑D is an overlay added to an underlying zone and requires a conditional use/precise plan with public hearings under § 21.15.010–.020 and submission requirements in § 21.15.140. For historic resources, P‑D can set site‑specific preservation standards and mandatory design commitments.

S-C-H (Senior Citizen Housing — overlay) and S-P (Saturn Park Innovation/Technology)

• Purpose: overlays that layer special provisions over base zoning; any work on historic structures in overlay areas still triggers the Code’s cultural resource and demolition definitions and the City’s discretionary review. See overlay rules and the P‑D process for when special standards are created.

Code excerpts — decision‑relevant table

Practical guidance and how the rules show up when you propose work

• If a building is listed or is potentially eligible as a cultural resource (§ 21.04.291), the City treats alterations, demolitions, and accessory installations (like antennas) with extra scrutiny — see the Code’s demolition definition (§ 21.04.305) and the wireless facility rule (§ 21.34.040(F)(2)).
• Alterations that change façade materials, openings, or massing often trigger discretionary review — either a precise plan/conditional use (§ 21.15.140–.150) or a permit with findings under Chapter 21.32 (conditional use/variance standards).
• For exterior work in pedestrian or downtown areas, the Code’s design rules (façade orientation, storefront transparency, massing and allowed materials) are applied; those rules affect historic commercial buildings in C‑B, N‑S, and similar zones. See downtown/pedestrian design rules and the Code’s materials restrictions.

(When you prepare plans, consult the City Planner early — the Planner has authority to interpret uses, apply objective standards, and require additional submittals. § 21.02.090, § 21.02.120.)

• Note on accessory dwelling units: ADU standards may not be applied to create an adverse effect on a listed historic resource; State ADU law allows objective standards that prevent adverse impacts on historic resources (see the City's ADU rules and state law). See the ADU policy page and the Code for interplay.

Internal links: when your proposal raises parking, setback, design review, overlays, ADUs or compliance with state code you should consult the city pages for parking, development standards, design review, overlay districts, ADUs, and the California Building Standards Code.

Checklist (what an applicant proposing work to a possible historic property should assemble)

• Determine whether the property is a cultural resource or is listed/eligible: consult the City Planner and the Code definition § 21.04.291.
• If demolition or partial demolition is proposed, prepare a demolition description and impact analysis referencing § 21.04.305.
• For exterior changes, submit architectural elevations, site plans and historic context information as required for a precise plan or conditional use (§ 21.15.140) when applicable.
• If the project proposes antennas or wireless equipment, complete the wireless permit packet and show how the installation avoids adverse effects on historic character — see § 21.34.020 and § 21.34.040.
• If relying on an interpretation (e.g., whether a proposed use is allowed), request a City Planner determination under § 21.02.120.
• Where a discretionary hearing is required, prepare findings addressing compatibility, General Plan consistency, and public welfare (see § 21.15.150 and Chapter 21.32).

Risks & Ambiguities

Plain-English Summary

If your house or building in Monterey Park is a listed or potentially historic property, the Zoning Code treats it as a cultural resource and subjects exterior changes, demolition, and added equipment (like cell antennas) to extra review: you must show compatibility with the Code’s design rules and obtain the approvals required by § 21.15.140–.150 and Chapter 21.32, and the City may exempt designated historic properties from ordinary nonconforming limitations under § 21.30.130. Confirm whether the property is on any local list or survey before you file.

Source References

• § 21.04.291 (Cultural Resource definition).
• § 21.04.305 (Demolition definition).
• § 21.30.130 (Historic properties and nonconforming status).
• § 21.15.140 (Precise plan application contents).
• § 21.15.150 (Precise plan findings — design compatibility).
• Chapter 21.34 and § 21.34.040(F)(2) (Wireless telecommunications standards; prohibition on antennas on listed/eligible historic buildings except if no adverse effect).
• Chapter 21.32 (Conditional Use Permits and variances). § 21.32.020 (conditional use findings).
• § 21.08.080 and Table 21.08(A) (residential development standards; permitted uses in R zones).
• § 21.02.070, § 21.02.090, § 21.02.120 (General Plan relationship; City Planner authority; clarifying ambiguities).
• Zoning map / zone names: § 21.02.210 (list of zone designations).

Retrieved passages

• Monterey Park Zoning Code (chapter and) Medium relevance show source text
• Monterey Park Zoning Code (Chapter 21.15.) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 21.30.100.) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (Chapter 21.02.) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code High relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• CPC § 21.34.010 (Chapter 21.34.) Medium relevance show source text
• CBC § 21.04.166 (§ 21.04.166.) Medium relevance show source text
• Monterey Park Zoning Code (§ 21.34.030.) Medium relevance show source text
• Monterey Park Zoning Code Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (§ 3) Medium relevance show source text
• Monterey Park Zoning Code (Title 21) Medium relevance show source text

Cited sections

• **§ 21.04.291** (Cultural Resource definition). (§ 21.04.291)
• **§ 21.04.305** (Demolition definition). (§ 21.04.305)
• **§ 21.30.130** (Historic properties and nonconforming status). (§ 21.30.130)
• **§ 21.15.140** (Precise plan application contents). (§ 21.15.140)
• **§ 21.15.150** (Precise plan findings — design compatibility). (§ 21.15.150)
• **Chapter 21.34** and **§ 21.34.040(F)(2)** (Wireless telecommunications standards; prohibition on antennas on listed/eligible historic buildings except if no adverse effect). (Chapter 21.34)
• **Chapter 21.32** (Conditional Use Permits and variances). **§ 21.32.020** (conditional use findings). (Chapter 21.32)
• **§ 21.08.080** and **Table 21.08(A)** (residential development standards; permitted uses in R zones). (§ 21.08.080)
• **§ 21.02.070**, **§ 21.02.090**, **§ 21.02.120** (General Plan relationship; City Planner authority; clarifying ambiguities). (§ 21.02.070)
• Zoning map / zone names: **§ 21.02.210** (list of zone designations). (§ 21.02.210)
• MontereyPark_ZoningCode.md
• 2025 California ADU handbook.md

• Official Monterey Park code library