Sign Regulations in Antioch, California

Antioch, California has specific sign regulations covering 33 sign types across 7 zoning districts. Regulated sign types include Wall Sign, Ground Sign, Under-Canopy Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: February 2, 2026

Sign Regulation Overview for Antioch, California

Sample Sign Requirements in Antioch

Sign TypeMax HeightMax AreaSetback
Freestanding Sign (General Standards)25 ft; up to 35 ft with additional setback (add 1 ft height per 5 ft of setback; max 35 ft)Minimum building setback 20 ft; additional height allowed per setback (see Max Height)
Ground Sign (General)8 ft (defined as ground sign)Follow freestanding sign setback rules
Freeway-Oriented Freestanding/Roof Sign (General Standards)Max 25 ft above freeway grade (measured at freeway centerline) or 45 ft from ground level, whichever is less; general max height 25 ftMust comply with freestanding sign setback rules

* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.

PermitPal Coverage for AntiochFull Coverage

Sign Types Covered

33

  • Wall Sign
  • Ground Sign
  • Under-Canopy Sign
  • Window Sign
  • +2 more types

Zoning Districts

7

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Official Resources for Antioch

City WebsiteMunicipal Code1 permit application link available

Frequently Asked Questions

In Antioch, monument signs are limited to 25 ft; up to 35 ft with additional setback (add 1 ft height per 5 ft of setback; max 35 ft). Height limits vary by zoning district and sign type. Use PermitPal to get exact requirements for your specific location.

To get a sign permit in Antioch, submit an application to the local building or planning department with sign dimensions, location, and design specifications. Our data confirms permits are required for most commercial signs. Processing typically takes 1-4 weeks. PermitPal helps you identify specific requirements and prepare complete applications.

In Antioch, regulated sign types include Wall Sign, Ground Sign, Under-Canopy Sign, Window Sign, and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.

In Antioch, monument signs typically require a Minimum building setback 20 ft; additional height allowed per setback (see Max Height) setback from property lines. Setbacks may increase near residential zones or intersections. Wall signs attached to buildings generally don't have setback requirements. Use PermitPal for location-specific setback data.

Digital and LED signs in Antioch are regulated with specific requirements for brightness, animation, and message duration. Antioch has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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Antioch, California Sign Rules at a Glance

Antioch, California regulates 33 sign types across 7 zoning districts. Freestanding Sign (General Standards)s in the General Regulations For All Zones zoning district are capped at 25 ft; up to 35 ft with additional setback (add 1 ft height per 5 ft of setback; max 35 ft) tall, with a Minimum building setback 20 ft; additional height allowed per setback (see Max Height) setback (Sec. § 9-5.508(B)(1)-(3), § 9-5.504(A)-(B)). Most commercial signs in Antioch require a permit.

Detailed Sign Ordinance Requirements for Antioch, California

Sign Rules by Zoning District in Antioch (7 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
General Regulations For All Zones1425 ft; up to 35 ft with additional setback (add 1 ft height per 5 ft of setback; max 35 ft)150 sq ft (maximum allowable sign area)
Residential Districts (R-1, R-2, R-3, R-4), Planned Development District (P-D)720 sq ft
Professional Office District (C-O)48 ft200 sq ft (cap)
Convenience Commercial (C-1)625 ft; up to 35 ft with additional setback (1 ft per 5 ft setback)200 sq ft (cap)
Neighborhood/Community Commercial (C-2)925 ft; up to 35 ft with additional setback (1 ft per 5 ft setback)300 sq ft (cap)
Service Commercial District (C-3), Regional Commercial District (C-4)1125 ft; up to 35 ft with additional setback (1 ft per 5 ft setback)400 sq ft (cap)
Light Industrial District (M-1), Heavy Industrial District (M-2)48 ft200 sq ft (cap)

Zone-by-Zone Sign Requirements in Antioch(sample of 3 of 7 zones)

General Regulations For All Zones

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Freestanding Sign (General Standards)25 ft; up to 35 ft with additional setback (add 1 ft height per 5 ft of setback; max 35 ft)Minimum building setback 20 ft; additional height allowed per setback (see Max Height)Shopping center may be allowed one freestanding sign onlyOnly on parcels with at least 150 linear feet of street frontage and minimum building setback of 20 ft on the same streetUnlock§ 9-5.508(B)(1)-(3), § 9-5.504(A)-(B)
Ground Sign (General)8 ft (defined as ground sign)Follow freestanding sign setback rulesSubject to freestanding sign limitsFreestanding sign type; subject to freestanding sign parcel/setback rulesUnlock§ 9-5.505(B)(4); applies with § 9-5.508(B)
Freeway-Oriented Freestanding/Roof Sign (General Standards)Max 25 ft above freeway grade (measured at freeway centerline) or 45 ft from ground level, whichever is less; general max height 25 ftMust comply with freestanding sign setback rulesWithin 300 ft of existing or adopted freeway right-of-way; for freeway exposure only to designate owner/occupant or identify premisesUnlock§ 9-5.508(C)(1)-(2), § 9-5.508(B)(1)(a)
Projecting Sign (Over Public Property) - Downtown District OnlyBetween 8 ft and 12 ft above sidewalk6 sq ft (area of projecting sign over sidewalk)May project no more than 3 ft over sidewalkOver public right-of-way in Downtown District onlyUnlock§ 9-5.508(D)(1)-(7)
Temporary Sign (General)No temporary sign over 3 ft in height within intersection sight triangleMaintain 50 ft sight triangle at intersections (no signs >3 ft within triangle)Posting on structures within public right-of-way prohibited (benches, poles, hydrants, sidewalks, etc.)Unlock§ 9-5.518(C)-(H)
Realty Sign - For Sale/LeaseResidential: 4 sq ft; Other districts: 12 sq ft; Commercial parcels with ≥100 ft fronting each of two or more streets may place one 12 sq ft sign on each frontageResidential: one temporary sign; Commercial with multiple frontages: one per qualifying frontageOn private property; not in public right-of-wayUnlock§ 9-5.515(D)(1)(a)-(f)
Realty Sign - Open House (A-frame)4 sq ft per sign faceMax 3 per sales unitOff-site signs only on private property with owner's written permission; no further than closest major thoroughfare intersection from property (as determined by Department of Development Services)Unlock§ 9-5.515(D)(2)(a)-(f)
Service Station Signs (General)If adjacent or across from residential uses: one freestanding sign not exceeding 15 ft150 sq ft (maximum allowable sign area)One freestanding sign (15 ft max) when adjacent/across from residential usesNot facing or placed in any residential street providing secondary access to station; freestanding sign supports placed on major street frontageUnlock§ 9-5.516(A)-(B)

Neighborhood/Community Commercial (C-2)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Wall Sign300 sq ft (cap)On building wallsUnlock§ 9-5.512(A)(1)
Freestanding Sign25 ft; up to 35 ft with additional setback (1 ft per 5 ft setback)Minimum building setback 20 ft; additional height per increased setbackShopping center identification: additional 200 sq ft allowed on one freestanding signOn parcels with ≥150 ft street frontage and ≥20 ft building setback on same streetUnlock§ 9-5.512(B)(2); § 9-5.512(A)(2); § 9-5.508(B)
Roof SignMax 6 ft above finished roof line; not to exceed district height limitLength ≤ one-third of building width parallel to sign; if diagonal placement (≥30°), length ≤ one-fourth of building diagonalOn roof or parapetUnlock§ 9-5.512(B)(3); § 9-5.508(A)(1)-(4)
Ground Sign8 ftParcel must meet freestanding sign frontage/setback standardsFreestanding at groundUnlock§ 9-5.512(B)(4); § 9-5.505(B)(4); § 9-5.508(B)
Under-Canopy SignUnder canopyUnlock§ 9-5.512(B)(5)
Window Sign4 sq ft (exempt for store hours/ID); otherwise counts toward zone capOn or within 4 ft of display windowUnlock§ 9-5.512(B)(6); § 9-5.505(B)(10)
Theater Marquee SignOn marquee/canopy structureUnlock§ 9-5.512(B)(7); § 9-5.505(B)(7)
Billboard (Freeway-Oriented Off-Site Advertising)Billboard = >50 sq ft (definition)Within 500 ft of freeway right-of-way line and oriented to be viewed primarily from a freewayUnlock§ 9-5.515(C)(1)-(5)

Service Commercial District (C-3), Regional Commercial District (C-4)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Wall Sign400 sq ft (cap)On building wallsUnlock§ 9-5.513(A)(1)
Roof SignMax 6 ft above finished roof line; not to exceed district height limitLength ≤ one-third of building width parallel to sign; if diagonal placement (≥30°), length ≤ one-fourth of building diagonalOn roof or parapetUnlock§ 9-5.513(B)(2); § 9-5.508(A)(1)-(4)
Freestanding Sign25 ft; up to 35 ft with additional setback (1 ft per 5 ft setback)Minimum building setback 20 ft; additional height per increased setbackShopping center identification: additional 200 sq ft allowed on one freestanding signOn parcels with ≥150 ft street frontage and ≥20 ft building setback on same streetUnlock§ 9-5.513(B)(3); § 9-5.513(A)(2); § 9-5.508(B)
Ground Sign8 ftParcel must meet freestanding sign frontage/setback standardsFreestanding at groundUnlock§ 9-5.513(B)(4); § 9-5.505(B)(4); § 9-5.508(B)
Freeway-Oriented Freestanding/Roof Sign (Subject to DRB Approval)Max 25 ft above freeway grade or 45 ft from ground level (whichever less); general max height 25 ft; may not exceed district height limits≥150 ft frontage; ≥20 ft building setbackWithin 300 ft of existing/adopted freeway right-of-way; must comply with freestanding sign frontage/setback rulesUnlock§ 9-5.513(B)(6); § 9-5.508(C)(1)-(2)
Downtown District Signing (If Located Within Downtown District)Projecting signs: 8–12 ft over sidewalkProjecting over public property: max 6 sq ft; limited to 25% of allowable sign area (for projection use)Projecting signs: ≤3 ft projection over sidewalkApplicable only if parcel is within Downtown District boundariesUnlock§ 9-5.513(B)(7); § 9-5.508(D)-(H)
Window Sign4 sq ft (exempt for store hours/ID); otherwise counts toward zone capOn or within 4 ft of display windowUnlock§ 9-5.513(B)(8); § 9-5.505(B)(10)
Billboard (Freeway-Oriented Off-Site Advertising)Billboard = >50 sq ft (definition)Within 500 ft of freeway right-of-way line and oriented to be viewed primarily from a freewayUnlock§ 9-5.515(C)(1)-(5)

PermitPal covers all 7 zoning districts in Antioch — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.

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Prohibited Signs in Antioch

  • No sign may be constructed, erected, installed, maintained, or repaired in conflict with state Public Utilities Commission rules for proximity to power/telephone lines or related safety standards.
  • Maintaining any sign that, for six months, does not identify the current occupant or products currently sold, or otherwise fails to serve its original purpose, is prohibited; such signs are deemed a public nuisance and must be removed after notice.
  • Maintaining any unsafe or insecure sign is prohibited; such signs must be corrected or removed after notice.
  • Signs must not obstruct or prevent free ingress or egress from fire escapes, doors, or windows required by the Uniform Building Code.
  • No sign may be attached to a standpipe, gutter, drain, or fire escape.
  • No sign may be erected where it will obstruct the view of, or conflict with, an authorized traffic sign, signal, or device, nor may any sign obstruct the view of traffic.
  • Signs projecting over public property are prohibited except in the Downtown District and only under specified size/height/projection limits with Design Review Board approval.
  • Flashing, scintillating, and similar signs are prohibited except in the Downtown District and only with Design Review Board approval.
  • Off-site signs are prohibited except where expressly allowed elsewhere in the code.
  • On-site signs, whether temporary or permanent, are prohibited within, upon, or over any public street right-of-way, parking area, sidewalk, required landscaping, or utility pole.
  • Parking a vehicle to display a commercial advertising sign visible from a public thoroughfare is prohibited, except for signage painted directly on or permanently affixed to the vehicle, bumper stickers, or a for-sale sign applicable only to that vehicle.
  • Signs on public property are prohibited except as otherwise provided in the code.
  • Erecting a sign on private property without the property owner’s permission is prohibited.
  • Posting or affixing temporary signs on objects within the public right-of-way (including sidewalks, poles, benches, hydrants, trees, bridges, and street/traffic signs) is prohibited.
  • Temporary signs over three feet in height on private property are prohibited within the 50-foot sight triangle at street intersections.
  • Any sign, banner, flag, or other display that advertises or promotes tobacco products is prohibited when within 1,600 feet of an elementary or secondary school, public playground, or playing field and visible from the public street or sidewalk.
  • Any sign, banner, flag, or other display that advertises or promotes tobacco products is prohibited on any city-owned facility.

Exempt Signs in Antioch

  • Signs required by law are exempt from the provisions of the sign article.
  • Advertising signs installed under a City Council–approved contract or franchise for bus shelters are exempt from this chapter’s regulations and are governed by the applicable contract or franchise terms.
  • Signs determined by the Design Review Board to be of significant historical value may be excepted from the provisions of the sign article.
  • Exceptions to the temporary sign posting prohibition in the public right-of-way: public officers/employees posting legally required notices; banners for noncommercial, nonpolitical community events authorized via an encroachment permit by the Director of Public Works; and use of right-of-way structures designated for public communication (kiosks, bulletin boards, authorized advertising benches, newspaper racks, and authorized billboards).

Sign Plan & Submission Notes for Antioch

  • No Master Sign Plan or sign program requirement is specified in the provided text.
  • A city sign permit is required for any regulated sign unless exempted by law; permitting is per Chapter 6 of Title 8.
  • Design Review Board approval is required for signs projecting over public rights-of-way in the Downtown District (design and degree of projection).
  • Design Review Board approval is required for flashing/scintillating signs (only allowed in the Downtown District).
  • Design Review Board review is required for rotating signs (limited to trademark/trade name and 8 RPM max).
  • Design Review Board review is required for time and temperature signs.
  • Design Review Board approval is required for theater marquee signs.
  • Design Review Board approval is required for freeway-oriented signs in Service/Regional Commercial districts.
  • Off-site subdivision directional sign structures require a city building permit; their color scheme and any design modifications, locations, and multiple-structure placements are subject to Design Review Board review.
  • Individual off-site subdivision signs are subject to city administrative review/approval; exceptions to quantity standards require administrative approval.
  • On-site subdivision signs require approval by the Planning Director (or designee); number and placement are determined administratively; building permits and refundable deposits apply for removal assurance.
  • An administrative permit is required for temporary advertising signs, banners, and flags (other than balloons) for up to 10 consecutive days per calendar quarter; advertising balloons at auto dealerships and by nonprofits/public agencies also require an administrative permit; banners and flags at auto dealerships may be allowed without time limits subject to an administrative permit.
  • An encroachment permit from the Director of Public Works is required for banners over the public right-of-way related to noncommercial, nonpolitical community events.
  • A use permit is required for billboards.

Source: amlegal municipal code