Local zoning · Lemon Grove

Lemon Grove — Signage

Q: What are the special rules for signs in downtown Lemon Grove?

Properties inside the Central Business Special Sign District can seek Development Services Director approval for signs that depart from typical type/location standards, but the total sign area, number and height still cannot exceed the general limitations in the city sign ordinance, and roof signs are not permitted as described in § 18.12.070(J) . Application materials required are listed in § 17.20.040(G)(3) .

Q: Where should I put sign drawings in my permit package?

If you are in the Central Business Special Sign District the ordinance requires a scaled plot plan showing property lines, buildings and all existing/proposed signs and building elevations showing the sign locations; descriptions of materials, colors and lighting intensity are required, and samples may be requested per § 17.20.040(G)(3)(a–d) .

Signage under the Lemon Grove local zoning and planning code, with the controlling citations.

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Last reviewed: July 2, 2026

Overview

This page summarizes what the City of Lemon Grove's zoning and planning ordinance says about signage: where sign rules live, what the special sign district allows, and how sign rules interact with zone-specific development standards. For background on zoning maps and district names see Lemon Grove Zoning and the broader Lemon Grove — zoning & planning overview. Most sign technical rules are implemented through a separate city sign ordinance referenced throughout Title 17; details of construction or structural design remain the responsibility of the California Building Standards Code (verify with the building department). The zoning code repeatedly points sign regulation to the city sign chapter (Chapter 18.12) and establishes one explicit overlay that modifies sign rules in downtown: the Central Business Special Sign District (§ 17.20.040).

How Lemon Grove organizes sign regulation (short)

Citywide rules and definitions for sign types, area, height, illumination, permits, exemptions and nonconforming signs are centrally implemented in LGMC Chapter 18.12 (frequently referenced by Title 17). Not all of Chapter 18.12 text was included in the retrieved materials; the zoning code repeatedly defers to it. Not found in retrieved materials: full Chapter 18.12 text.
Title 17 (the zoning ordinance) applies sign requirements to every zone by cross-reference; most zone chapters specifically list “Signs, Chapter 18.12” as an applicable development rule (for example, the Central Commercial (CC) and General Commercial (GC) zones).
The downtown area is an overlay called the Central Business Special Sign District; it allows greater design flexibility subject to the Development Services Director’s approval but still requires that total area, number and height not exceed the city sign ordinance and prohibits roof signs as described in § 18.12.070(J). Permit application contents for the overlay are spelled out in § 17.20.040(G)(3).

(Links you may need while reading: Development Standards, Parking, Design Review, Overlay Districts, ADUs.)

Where the rules live (district-by-district)

Below are Lemon Grove districts that the zoning code expressly references with sign rules or cross-references. For almost every district the zoning text defers technical sign standards to LGMC Chapter 18.12; the zoning chapters provide the context (allowed uses, setbacks, heights) that affect allowable sign placement.

Central Commercial (CC)

Purpose: pedestrian-oriented, neighborhood-serving commercial and residential uses. § 17.16.060.
Typical permitted uses: retail, professional offices, banks, cafes (list in § 17.16.060). § 17.16.060.
Key dimensional standards that affect signs: front, side and rear yards and building heights listed under § 17.16.060 (e.g., front yard 25 ft, maximum building height references). § 17.16.060.
Sign rule summary: signs for CC properties must comply with the city sign ordinance (Chapter 18.12) as an additional zoning provision. § 17.16.060.

General Commercial (GC)

Purpose: auto-oriented, larger-scale retail and services. § 17.16.070.
Typical permitted uses: vehicle-oriented shops, larger retail, brewpubs, service uses. § 17.16.070.
Key dimensional standards: front setback 25 ft, main building height 30 ft (see § 17.16.070(G) for specifics). § 17.16.070.
Sign rule summary: GC cites “Signs, Chapter 18.12” as an additional zoning provision; freestanding/monument signs will be constrained by Chapter 18.12 and the GC setback/height rules. § 17.16.070.

Heavy Commercial (HC)

Purpose: larger or semi-industrial retail and service uses less dependent on pedestrian traffic. § 17.16.080.
Typical uses: heavy retail, building supplies, manufacturing-support uses. § 17.16.080.
Key dimensional standards: specific setbacks and heights appear in § 17.16.080. § 17.16.080.
Sign rule summary: again, signage is governed by Chapter 18.12 as listed among the additional zoning provisions. § 17.16.080.

Light Industrial (LI)

Purpose: light manufacturing, warehousing and limited-intensity industrial uses. § 17.16.100.
Typical uses: light manufacturing, R&D, moving & storage, parking facilities. § 17.16.100.
Key dimensional standards: minimum lot size 20,000 sf, building height limits and setbacks are specified in § 17.16.100(G). § 17.16.100.
Sign rule summary: LI properties are subject to the city sign ordinance (Chapter 18.12) per the zone’s additional provisions. § 17.16.100.

Residential/Professional (RP)

Purpose: small-scale business, professional or health uses combined with multifamily housing. § 17.16.050.
Typical uses: offices, clinic, personal services; parking uses are explicitly listed. § 17.16.050.
Key dimensional standards: front setback 25 ft, side 5 ft, rear 20 ft; building heights referenced to Chapter 17.24 limits. § 17.16.050.
Sign rule summary: RP cites Chapter 18.12 for all sign regulations that apply to allowed commercial uses. § 17.16.050.

Residential Medium/High (RMH / RM/H)

Purpose: compact multi‑family housing (garden apartments, higher density). § 17.16.040 (RMH).
Typical uses: multifamily dwellings; nonresidential uses are limited and conditional. § 17.16.040.
Key dimensional standards: front setback 25 ft, side 5 ft, rear 20 ft; building heights referenced in § 17.24.040. § 17.16.040.
Sign rule summary: nonresidential signage in these zones is controlled by Chapter 18.12; the nonconforming sign rules also apply (see § 17.24.090). § 17.16.040.

Central Business Special Sign District (overlay)

Purpose & area: an overlay applied to the former Redevelopment Project Area No. 1 (downtown revitalization area) to allow design-driven, context-sensitive signage while retaining total-area limits in the city sign ordinance. § 17.20.040(C)–(G).
Key rules and differences from base zones: businesses may display signs that do not strictly conform to standard sign types/locations only with Development Services Director approval; however the total sign area, number of signs and height shall not exceed the general limitations established by the city sign ordinance and roof signs as described in § 18.12.070(J) are not permitted. Applications must include a scaled plot plan, elevations, materials/colors and lighting descriptions. § 17.20.040(G)(2–3).

Quick reference table — most decision-relevant items

Item	Standard / What to watch for	Code reference
Citywide sign authority	Sign types, area, illumination, permit rules are implemented in LGMC Chapter 18.12 (referenced throughout Title 17). Full text Not found in retrieved materials.	“Signs, Chapter 18.12” cited in zone chapters (e.g., § 17.16.060, § 17.16.070)
Downtown overlay flexibility	Downtown signs may depart from strict type/location standards if approved by Development Services Director; total area/number/height still limited and roof signs prohibited per § 18.12.070(J).	§ 17.20.040(G)
Lighted signs / glare	All lighted signs must conform to citywide sign rules; glare/lighted-signs must not be visible off-premises per performance standards.	§ 17.24.080(E)(2)
Sign permit application (downtown overlay)	Requires: scaled plot plan, elevations with sign locations, materials/colors, lighting description (samples may be required).	§ 17.20.040(G)(3)(a–d)
Nonconforming signs	Nonconforming signs are controlled by the city’s sign ordinance (i.e., must follow Chapter 18.12 procedures for continuation/abatement).	§ 17.24.090 (nonconforming uses/structures; signs referenced)

Checklist

An applicant proposing a new or altered sign in Lemon Grove should at minimum:

Confirm whether the sign is covered by LGMC Chapter 18.12 and whether a permit is required (Chapter 18.12 text not present in retrieved materials — verify with the City). Not found in retrieved materials.
If property is within the Central Business Special Sign District, prepare application materials required by § 17.20.040(G)(3): scaled plot plan, building elevations showing sign locations, materials/colors and lighting description. § 17.20.040(G)(3).
Ensure illumination and glare meet the performance standard that bright/flashing lights not be visible off site (see performance standards). § 17.24.080(E)(2).
Check the zone-specific development standards (setbacks, heights) because they affect allowable sign placement (see your zone chapter: § 17.16.xxx for CC/GC/HC/LI/RP/RM/H).
If the building or project requires design review or a planned development permit, include signage in design submittals (see Design Review and Planned Development procedures). Verify with the jurisdiction.

Risks & Ambiguities

Issue	Why it matters	What to verify
Full text of Chapter 18.12 not in retrieved materials	The zoning chapters defer almost all technical sign rules to Chapter 18.12 (areas, height, illumination, exemptions, permit triggers). Without it you cannot tell exactly which signs are permit‑exempt or exact area formulas.	Obtain Chapter 18.12 from the City; confirm permit triggers and maximum sign area calculations. Not found in retrieved materials.
Specific roof-sign technical rules referenced (18.12.070(J))	Downtown overlay explicitly prohibits roof signs “as described in § 18.12.070(J)”; meaning depends on the precise language in that subsection.	Read § 18.12.070(J) in the sign chapter. Not found in retrieved materials; verify with the City.
Cannabis/cannabis-dispensary sign restrictions	I saw a snippet noting that dispensary signage must have a sign permit and may not include cannabis terminology or symbols, but the exact code citation or conditions were not clear in the material provided.	Verify the exact cannabis sign restrictions and the controlling section in the municipal code with Planning. Not found in retrieved materials with section number.
When design review is required for signs	Some projects that require a planned development or design review will fold sign approval into that process; others allow administrative sign permits. The zoning text references design standards but does not list universal sign‑review triggers.	Check project permit path with Development Services; confirm whether signs for your project need separate sign permits or are approved with project design. Verify with the jurisdiction.
Nonconforming existing signs	The nonconforming-uses chapter references signage but the precise amortization/repair/replacement rules live in the sign ordinance.	Confirm nonconforming sign procedures in Chapter 18.12. § 17.24.090 provides the nonconforming framework.

Plain-English Summary

Lemon Grove keeps the technical details of signs in a city sign ordinance (Chapter 18.12) and uses the zoning code (Title 17) mainly to tell you which zones apply and to create a downtown overlay that allows design flexibility for signs if you get director approval; roof signs downtown are separately prohibited by reference. Before you fabricate or install a new sign, pull Chapter 18.12 and check your zone chapter and whether you’re inside the Central Business Special Sign District — then submit the plot plan/elevations and lighting information the city requires.

Source References

City of Lemon Grove, Title 17 — Zoning, including the special overlay and zone chapters cited above: § 17.20.040 (Special sign districts / Central Business Special Sign District) — text and application requirements.
City of Lemon Grove, Title 17 zone chapters (examples cited): § 17.16.060 (Central Commercial (CC)); § 17.16.070 (General Commercial (GC)); § 17.16.080 (Heavy Commercial (HC)); § 17.16.100 (Light Industrial (LI)); § 17.16.050 (Residential/Professional (RP)); § 17.16.040 (Residential Medium/High (RMH)) — each lists “Signs, Chapter 18.12” among additional provisions.
Nonconforming uses (including nonconforming sign note): § 17.24.090.
Performance standards on glare and lighted signs: § 17.24.080(E)(2).
Note: The municipal sign code itself (LGMC Chapter 18.12) is repeatedly referenced but the full chapter text was not present in the materials provided. Not found in retrieved materials.
For construction/structural standards applicable to sign construction consult the California Building Standards Code (Title 24); those technical building and electrical requirements are enforced by Building/Code Enforcement — the zoning code defers structural compliance to those authorities. (Building code material in uploaded files: California Building Code Appendix H included as ancillary reference.)

Sources

Retrieved passages

Lemon Grove Zoning Code (§ 2) Medium relevance
Lemon Grove Zoning Code (§ 2) Medium relevance
CFC § 080 Medium relevance
Lemon Grove Zoning Code (Section 17.24.060) Medium relevance
Lemon Grove Zoning Code (§ 4) Medium relevance
CEC § H101 (chapter as) Medium relevance
Lemon Grove Zoning Code (§ 17.04.040.) Medium relevance
Lemon Grove Zoning Code (title may) Medium relevance
Lemon Grove Zoning Code (chapter and) Medium relevance
Lemon Grove Zoning Code (section or) Medium relevance
Lemon Grove Zoning Code (section or) Medium relevance
CEC § H103 (SECTION H103) Medium relevance
CBC § H109 (SECTION H109) Medium relevance
Lemon Grove Zoning Code (section or) Medium relevance
CBC § H103 (SECTION H103) Medium relevance

Cited sections

Official Lemon Grove code library

Frequently asked questions

Do I need a sign permit in Lemon Grove?

Most sign-permit triggers and exemptions are listed in the City sign ordinance (LGMC Chapter 18.12), and Title 17 zones consistently defer to that chapter. The zoning code itself does not list all permit triggers; you must consult Chapter 18.12 or contact Development Services to confirm permit requirements. Not found in retrieved materials: full Chapter 18.12 text.

What are the special rules for signs in downtown Lemon Grove?

Properties inside the Central Business Special Sign District can seek Development Services Director approval for signs that depart from typical type/location standards, but the total sign area, number and height still cannot exceed the general limitations in the city sign ordinance, and roof signs are not permitted as described in § 18.12.070(J). Application materials required are listed in § 17.20.040(G)(3).

Are illuminated or flashing signs allowed?

Lighted signs are subject to the citywide sign regulations (Chapter 18.12), and Title 17 also requires that bright or flashing lights and reflections not be visible off the premises — a performance standard in § 17.24.080(E)(2). For the specific illumination limits and fixture requirements, consult Chapter 18.12 and the Building/Electrical Department.

If I have an existing (older) sign that doesn’t meet current rules, what happens?

Nonconforming signs are addressed within the nonconforming-uses provisions; the code states that nonconforming signs must follow the city's adopted sign ordinance for continuation/reconstruction/abatement procedures (see § 17.24.090). For precise amortization or repair rules, obtain Chapter 18.12.

Which zoning standards determine sign placement and size?

Sign placement and permissible area depend on both the sign ordinance (Chapter 18.12) and the underlying zone’s development standards (setbacks, building height, lot coverage). For example, GC lists a 25 ft front setback and 30 ft main building height which affect where a freestanding or wall sign can go (§ 17.16.070). Always read both your zone chapter and Chapter 18.12 together.

Does the zoning code require design review for signs?

The zoning text folds signs into overall project design when a project already requires design review or a planned development permit (see zone chapters that reference design/PD processes). However, whether a sign alone triggers design review depends on the project and the sign chapter rules. Confirm with Development Services — the zoning chapters do not provide a universal sign-review trigger. Verify with the jurisdiction.

Are there special sign rules for cannabis dispensaries?

A code excerpt in the provided materials indicates that signage for dispensaries requires a sign permit and cannot include cannabis terminology/symbols, but the precise code section number and the full conditions were not present in the retrieved materials. Verify the cannabis-specific sign rules with the City and check the sign chapter. Not found in retrieved materials with a clear section citation.

Where should I put sign drawings in my permit package?

If you are in the Central Business Special Sign District the ordinance requires a scaled plot plan showing property lines, buildings and all existing/proposed signs and building elevations showing the sign locations; descriptions of materials, colors and lighting intensity are required, and samples may be requested per § 17.20.040(G)(3)(a–d).

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