Modesto — Signage

Last reviewed: July 2, 2026

Overview

This page summarizes what the City of Modesto's zoning code requires for signs: who enforces sign rules, when a sign permit is required, how sign area and height are measured, special rules for electronic message boards, and zone-by-zone limits (residential, office, commercial, industrial, downtown and planned development). The sign rules live in the Modesto Municipal Code Articles that begin with the sign standards (not the building code); see the city's overall Modesto Development Standards for how signage interacts with setbacks and the Modesto Parking and Modesto Design Review processes. Key enforcement and permitting language is in § 10-6.103–§ 10-6.112 of the municipal code .

High‑level rules every applicant must know

• Sign permits are required for installing, altering, or relocating most signs: § 10-6.105 (permit required; exemptions listed) .
• Sign area is measured as the smallest simple geometric shape that encloses the sign face; rules for height, projection, and minimum clearances are in § 10-6.106 .
• Zone-specific lists of allowed sign types, maximum area, number and heights are in § 10-6.107 with Table 6.1‑1 (residential/office) and Table 6.1‑2 (commercial/industrial) providing the practical limits .
• Additional standards for specific sign types (A‑frames, banners, electronic message boards, gas price signs, etc.) are in § 10-6.108; electronic message boards require a conditional use permit (CUP) by the Board in many cases § 10-6.108(f) .
• Nonconforming signs are tightly limited (repair vs. replacement, time windows for abatement) under § 10-6.112 .

Zone-by-zone breakdown (what matters on each zoning district)

Each district subsection below summarizes the sign purpose/use context, the most decision-relevant numeric limits, and where the standard applies. All district-specific sign lists and limits are administered under § 10-6.107 with the tables and supplemental subsections referenced below .

R-1, R-2, R-3 (Residential zones)

• Purpose / where seen: single‑ and multi‑family neighborhoods and small office pockets; sign rules aim to limit visual clutter.
• Typical permitted sign types: resident/dwelling nameplates, freestanding gateway signs for subdivisions, limited directional and real‑estate signs; window signage rules for nonconforming commercial uses are listed in Table 6.1‑1 § 10-6.107(a) .
• Key numeric standards:
  • Resident nameplate: 1 sq ft per dwelling (height at wall) — Table 6.1‑1 .
  • Freestanding gateway: 12 sq ft each; max height 36 in — Table 6.1‑1 .
  • Wall signs (nonresidential in residential zones): combined max 0.5 sf per linear foot of wall; not higher than ridgeline — Table 6.1‑1 and § 10-6.106(d) .
• Where it applies: all parcels zoned R-1, R-2, R-3 (see Table 6.1‑1) .

P‑O (Professional Office)

• Purpose / where seen: small office buildings, medical/professional uses.
• Typical permitted sign types: wall signs and one freestanding sign per street frontage (Table 6.1‑1) § 10-6.107(a) .
• Key numeric standards:
  • Freestanding (P‑O uses): 24 sf plus 4 sf for street address; max height 6 ft — Table 6.1‑1 .
  • Wall signs: follow the residential nonresidential wall rule (0.5 sf/linear foot where applicable) and ridgeline height limit .
• Where it applies: parcels zoned P‑O; P‑O also subject to specific wall/canopy measurement exceptions in § 10-6.106(d) .

C‑1, C‑2, C‑3, C‑M, M‑1, M‑2 (Commercial & Industrial zones)

• Purpose / where seen: neighborhood commercial to general commercial and industrial corridors.
• Typical permitted sign types: wall, marquee, projecting, canopy, suspended, freestanding (business, shopping center), and special forms (shopfront, marquee) — found in Table 6.1‑2 § 10-6.107(b) .
• Key numeric standards (Table 6.1‑2):
  • Wall signs: up to 2 sf per linear foot of building frontage (no numerical limit on count); height limited to ridgeline of roof/parapet — Table 6.1‑2 .
  • Freestanding (single parcel business): scales with frontage — e.g., up to 24 sf + 4 sf address for up to 100 ft frontage (6 ft height); larger frontages allow 48–72 sf with higher max heights (8–20 ft) and minimum separation rules — Table 6.1‑2 .
  • Freeway‑oriented signs (hotel/motel/service/restaurant): 150 sf and 35 ft max height unless Board approves higher (CUP) — § 10-6.108(h) and Table 6.1‑2 .
• Where it applies: parcels zoned C‑1, C‑2, C‑3, C‑M, M‑1, M‑2; shopping center provisions and separation distances are in Table 6.1‑2 .

P‑D (Planned Development)

• Purpose / where seen: mixed/use or specially planned projects.
• Rule summary: signage in a P‑D must comply with the specific P‑D conditions; the P‑D conditions are based on the most comparable base zone (e.g., commercial or residential) § 10-6.107(c) .
• Practical note: P‑D zoning often includes custom sign area/height/placement as conditions of approval — verify the P‑D ordinance for the parcel (Verify with the jurisdiction).

Downtown / Special Downtown Zones (CD, TD, UGD, MSD)

• Purpose / where seen: Central Downtown, Main Street Downtown, Urban General Downtown, Traditional/Transition Downtown designations.
• Unique rules: Downtown sidewalk signs, modified wall/projecting sign area limits and allowances are handled by the Downtown provisions and administered to conform with Chapter 10‑7 (see § 10-7.502 and § 10-7.516) and the sign tables; e.g., wall sign area in some downtown zones may be 1 sf per linear foot of wall rather than the general rule, and special sidewalk sign programs are administered by the Downtown Improvement District § 10-7.516(e) .
• Key points: projecting signs in downtown are often limited to one projecting sign per building with tenant allowances and size caps (e.g., up to 48 sf) — see § 10-7.516(e)(3) and Table references .
• Where it applies: properties within the Downtown zone map and Figure listings; consult the specific Downtown designation and the Downtown Improvement District for permitted sidewalk signs .

Shopping Centers, Combined Parcels, and Freeway‑Oriented Uses

• Shopping centers get larger freestanding allowances (e.g., 72 sf + 4 sf address; up to 20 ft high depending on center size) and special copy limitations (reader board and tenant listings) — Table 6.1‑2 and § 10-6.107(l) .
• Freeway‑oriented freestanding signs and electronic message boards have separate caps and may require a CUP; for electronic boards see § 10-6.108(f) which requires Board approval and limits size, movement, and location (arterials/expressways/freeway segments) .

Common numeric standards (quick reference table)

Practical guidance & interpretation

• Start with § 10-6.105 to see if your sign is exempt (e.g., flags, small nameplates, interior signs) before applying for a permit .
• Measure sign area per § 10-6.106 (smallest enclosing geometric shape) — this affects whether you exceed zone caps or push into a CUP trigger .
• If you propose an electronic message board or a freeway‑oriented large freestanding sign, expect a discretionary public hearing (CUP) because the code requires Board review § 10-6.108(f) and § 10-6.108(h) .
• Downtown parcels may have alternate allowances (sidewalk signs, different wall sign ratios) administered through the Downtown rules — coordinate with downtown staff and the Downtown Improvement District (see § 10-7.516) .
• If your parcel is inside a P‑D, review the P‑D conditions carefully: the P‑D may substitute custom signage rules in place of the generic zone tables § 10-6.107(c) .

Checklist (what an applicant must satisfy)

• Confirm your zone (R‑1/R‑2/R‑3, P‑O, C‑1/C‑2/C‑3/C‑M, M‑1/M‑2, P‑D, CD/TD/UGD/MSD). See Table 6.1‑1/6.1‑2 § 10-6.107 .
• Determine whether the sign is exempt from permits under § 10-6.105 (flags, small nameplates, political, garage sale, certain interior signs) .
• Measure sign area and height per § 10-6.106 and confirm placement/clearance (pedestrian/vehicular) .
• If proposing an Electronic Message Board or Freeway‑Oriented sign, prepare for a CUP (Board review) under § 10-6.108(f)/(h) .
• Provide plans consistent with the City’s sign permit application instructions and fee schedule per § 10-6.105(b) (application form and materials) .
• Check for nonconforming sign status and abatement deadlines under § 10-6.112 if the existing sign predates current code .
• Verify encroachment / right‑of‑way permission for signs projecting into public ROW (freestanding encroachment permits, marquee projections) § 10-6.106(e) .
• Coordinate with design review if your project is in a district or P‑D that requires architectural or design review (see Modesto Design Review). Verify any overlay controls at Modesto Overlay Districts.

Risks & Ambiguities

Information Gaps

• The full text of § 10-6.109 (Sign design standards and graphics) was referenced repeatedly in tables but the body of that subsection was not present in the retrieved snippets; exact material/graphic standards are Not found in retrieved materials — Verify with the jurisdiction. Evidence of the reference appears in multiple tables (e.g., Table 6.1‑2 references § 10-6.109(a)) .
• The City Fee Resolution (actual sign permit fees) and the Sign Permit Application Instructions (required plan set contents) are Not found in retrieved materials — Verify with the City’s Building/Planning counter (see § 10-6.105(b)) .
• Downtown Improvement District sidewalk sign program administrative rules (exact approved sizes and materials) are referenced but full program documents are Not found in retrieved materials — Verify with Downtown staff and § 10-7.516 .

Plain‑English summary

If you want to put up a sign in Modesto, start by checking the zone for your property (residential vs. commercial vs. downtown). Most signs need a permit (unless they’re tiny, interior, political in specific windows, or otherwise listed as exempt). Measure sign area per the code rules, compare it to the zone table (residential Table 6.1‑1 or commercial Table 6.1‑2), and expect discretionary review for electronic message boards, freeway‑oriented signs, or anything that projects into the public right of way; full citations for these rules include § 10-6.105, § 10-6.106, § 10-6.107, and § 10-6.108 .

Source References

• Modesto Municipal Code — Sign permit, administration, and exemptions: § 10-6.103 – § 10-6.105
• Modesto Municipal Code — Sign area, height, projection, measurement: § 10-6.106
• Modesto Municipal Code — Sign requirements by zone; Table 6.1‑1 (Residential/Office) and Table 6.1‑2 (Commercial/Industrial): § 10-6.107 and Table 6.1‑1/6.1‑2
• Modesto Municipal Code — Standards for specific sign types (A‑frames, electronic message boards, service station price signs, freeway signs): § 10-6.108 (see subsections (a), (f), (k), (h))
• Modesto Municipal Code — Nonconforming sign rules and abatement schedule: § 10-6.112 and Table 6.1‑3
• Modesto Municipal Code — Downtown zone sign adaptations and Downtown Improvement District: § 10-7.516 (Downtown Zone sidewalk signs and modified limits)

Retrieved passages

• Modesto Zoning Code (§ 2) High relevance show source text
• Modesto Zoning Code (article may) High relevance show source text
• Modesto Zoning Code High relevance show source text
• Modesto Zoning Code (Section 6.108) High relevance show source text
• Modesto Zoning Code High relevance show source text
• Modesto Zoning Code (§ 1) High relevance show source text
• Modesto Zoning Code High relevance show source text
• Modesto Zoning Code (Section 10-6.107) High relevance show source text

Cited sections

• Modesto Municipal Code — Sign permit, administration, and exemptions: **§ 10-6.103 – § 10-6.105** (§ 10-6.103)
• Modesto Municipal Code — Sign area, height, projection, measurement: **§ 10-6.106** (§ 10-6.106)
• Modesto Municipal Code — Sign requirements by zone; Table 6.1‑1 (Residential/Office) and Table 6.1‑2 (Commercial/Industrial): **§ 10-6.107** and Table 6.1‑1/6.1‑2 (§ 10-6.107)
• Modesto Municipal Code — Standards for specific sign types (A‑frames, electronic message boards, service station price signs, freeway signs): **§ 10-6.108** (see subsections (a), (f), (k), (h)) (§ 10-6.108)
• Modesto Municipal Code — Nonconforming sign rules and abatement schedule: **§ 10-6.112** and Table 6.1‑3 (§ 10-6.112)
• Modesto Municipal Code — Downtown zone sign adaptations and Downtown Improvement District: **§ 10-7.516** (Downtown Zone sidewalk signs and modified limits) (§ 10-7.516)
• Modesto_ZoningCode.md

• Official Modesto code library