Sign Regulations in Issaquah, Washington
Issaquah, Washington has specific sign regulations covering 20 sign types across 6 zoning districts. Regulated sign types include Directional/Informational Sign (On Site), Directional/Informational Sign (Right-of-Way), Monument Sign (Community Facility, No Building). Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: June 4, 2025
Sign Regulation Overview for Issaquah, Washington
Sample Sign Requirements in Issaquah
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Directional/Informational Sign (On Site) | 10 feet | 12 sq. ft. per sign face | — |
| Directional/Informational Sign (Right-of-Way) | 4 feet | 4 sq. ft. per sign face | — |
| Monument Sign (Community Facility, No Building) | 10 feet | 32 sq. ft. per sign face | At least 2 ft. from any property line; comply with other applicable setbacks (see IMC 18.612.090(H)(3)f)(2)) |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
PermitPal Coverage for IssaquahFull Coverage
Sign Types Covered
20
- Directional/Informational Sign (On Site)
- Directional/Informational Sign (Right-of-Way)
- Monument Sign (Community Facility, No Building)
- Monument Sign (Community Facilities Building)
- +2 more types
Zoning Districts
6
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for Issaquah
Other Cities in Washington
Frequently Asked Questions
In Issaquah, monument signs are limited to 10 feet. 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 Issaquah, 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 Issaquah, regulated sign types include Directional/Informational Sign (On Site), Directional/Informational Sign (Right-of-Way), Monument Sign (Community Facility, No Building), Monument Sign (Community Facilities Building), and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.
In Issaquah, monument signs typically require a At least 2 ft. from any property line; comply with other applicable setbacks (see IMC 18.612.090(H)(3)f)(2)) 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 Issaquah are regulated with specific requirements for brightness, animation, and message duration. Issaquah has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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Issaquah, Washington Sign Rules at a Glance
Issaquah, Washington regulates 20 sign types across 6 zoning districts. Monument Sign (Community Facilities Building)s in the Community Facilities, CF-OS Community Facilities – Open Space, CF-OSPO Community Facilities – Open Space Privately Owned, CF-R Community Facilities – Recreation, CF-RPO Community Facilities – Recreation Privately Owned, CF-F Community Facilities – Facilities, CF-FPO Community Facilities – Facilities Privately Owned zoning district are capped at 10 feet including structure tall and 32 sq. ft. per sign face, with a At least 2 ft. from any property line; comply with other applicable setbacks (see IMC 18.612.090(H)(3)f)(2)) setback (Sec. IMC 18.612.090(H)(2)(a), Table 18.612.090(H)(2)(a)). Most commercial signs in Issaquah require a permit.
Detailed Sign Ordinance Requirements for Issaquah, Washington
Sign Rules by Zoning District in Issaquah (6 zones)
| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
|---|---|---|---|---|
| C-Rec Conservancy Recreation, TP-NRCA Tradition Plateau – Natural Resource Conservation Area | 3 | 10 feet | 32 sq. ft. per sign face | — |
| Community Facilities, CF-OS Community Facilities – Open Space, CF-OSPO Community Facilities – Open Space Privately Owned, CF-R Community Facilities – Recreation, CF-RPO Community Facilities – Recreation Privately Owned, CF-F Community Facilities – Facilities, CF-FPO Community Facilities – Facilities Privately Owned | 4 | Not above parapet/eave, up to 65 ft or zone base building height | 32 sq. ft. per sign face | — |
| SF-E Single-Family Estates – 1.24 du/acre, SF-S Single-Family Suburban – 4.5 du/acre, SF-SL Single-Family Small Lot – 7.26 du/acre, SF-D Single-Family Duplex – 7.26 du/acre, C-Res Conservancy Residential – 1 du/5 acres, UV-SF-0 Urban Village – Single-Family cap 0 du/lot, UV-SF-1 Urban Village – Single-Family cap 1 du/lot | 2 | 12 feet | 12 sq. ft. per sign face | — |
| MUR Mixed-Use Residential – 14.52 du/acre, MF-M Multifamily Medium – 14.52 du/acre, MF-H Multifamily High – 29 du/acre, VR Village Residential, UV-MF Urban Village – Multifamily, UV-MUR Urban Village – Mixed-Use Residential, UV-MUR-H Urban Village – Mixed-Use Residential, Highlands, UV-MUR-T Urban Village – Mixed-Use Residential, Talus | 4 | Not above roof, up to 65 ft. or base building height | 32 sq. ft. per sign face (indiv. business); 50 sq. ft. per face (multibusiness) | — |
| IC Intensive Commercial, PO Professional Office, CBD Cultural and Business District, UC Urban Core, MU Mixed-Use, MU-CI Mixed-Use – Central Issaquah, IC-CI Intensive Commercial – Central Issaquah, UV-COM/RET Urban Village – Commercial/Retail, UV-RET Urban Village – Retail, UV-O Urban Village – Office, UV-VC Urban Village – Village Center, M Mineral Resources | 5 | Not above roof, up to 65 ft max above grade or base building height | 32 sq. ft. (individual), 50 sq. ft. (multibusiness) | — |
| General Regulations For All Zones | 3 | 30 feet above finished grade | 32 sq. ft. per face (commercial), 15 sq. ft. (residential/CF zones), see also Table 18.612.110(E)(2) | — |
Zone-by-Zone Sign Requirements in Issaquah(sample of 3 of 6 zones)
Community Facilities, CF-OS Community Facilities – Open Space, CF-OSPO Community Facilities – Open Space Privately Owned, CF-R Community Facilities – Recreation, CF-RPO Community Facilities – Recreation Privately Owned, CF-F Community Facilities – Facilities, CF-FPO Community Facilities – Facilities Privately Owned
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Monument Sign (Community Facilities Building) | 10 feet including structure | 32 sq. ft. per sign face | — | At least 2 ft. from any property line; comply with other applicable setbacks (see IMC 18.612.090(H)(3)f)(2)) | 1 per parcel | On site | — | Unlock | IMC 18.612.090(H)(2)(a), Table 18.612.090(H)(2)(a) |
| Wall Sign (Community Facilities Building) | See IMC 18.612.080(I): Not above roof, up to 65 ft max above grade or base building height | IMC 18.612.080(F): See Table. Likely 15-200 sq. ft. based on building facade area. | — | — | Up to 3 primary signs (monument and 2 others OR 3 wall/projection/window signs). | On site only | — | Unlock | IMC 18.612.090(H)(2)(a); IMC 18.612.090(B), Table 18.612.090(C) |
| Window Sign (Community Facilities Building) | Window placement | Up to 25% of total window area on any façade, see IMC 18.612.090(B)(7) | — | — | 1 primary or secondary window sign per business; see maximum per façade | On site | — | Unlock | IMC 18.612.090(B)(7) |
| Projection Sign (Community Facilities Building) | Not above parapet/eave, up to 65 ft or zone base building height | IMC 18.612.080(F): See Table. Based on facade area. | — | Min. 2 ft from curb/vehicular surface; may extend up to 6 ft from wall (not more than 75% abutting sidewalk width); see IMC 18.612.090(G)(4)d for details. | See above combination restrictions | On site, may extend into right-of-way per standards | — | Unlock | IMC 18.612.090(H)(2)(a); IMC 18.612.090(G), Table 18.612.090(G)(3) |
MUR Mixed-Use Residential – 14.52 du/acre, MF-M Multifamily Medium – 14.52 du/acre, MF-H Multifamily High – 29 du/acre, VR Village Residential, UV-MF Urban Village – Multifamily, UV-MUR Urban Village – Mixed-Use Residential, UV-MUR-H Urban Village – Mixed-Use Residential, Highlands, UV-MUR-T Urban Village – Mixed-Use Residential, Talus
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign (Nonresidential or Multifamily Use) | Not above roof, up to 65 ft. or base building height | IMC 18.612.080(F): See Table; varies by facade area (e.g., 15-200 sq. ft.) | — | — | See Incentives (E): up to 2 primary, 2 secondary per criteria | On site (may extend up to 12" into right-of-way) | — | Unlock | IMC 18.612.090(B), Table 18.612.090(C); IMC 18.612.080(E)-(F) |
| Monument Sign (Only Outside Central Issaquah/Highlands/Talus/CBD) | 10 feet | 32 sq. ft. per sign face (indiv. business); 50 sq. ft. per face (multibusiness) | — | At least 2 ft. from any property line | 1 per property or per each entry for subdivision | On site | — | Unlock | IMC 18.612.090(F), Table 18.612.090(F)(3)-(4) |
| Projection Sign | Not above parapet/eave, up to 65 ft. or base building height | See IMC 18.612.080(F): varies by facade area | — | 2 ft from curb; max projection 6 ft; not more than 75% sidewalk width | Primary/secondary: see sign incentives | On site; may extend into right-of-way per standards | — | Unlock | IMC 18.612.090(G), Table 18.612.090(G)(3) |
| Window Sign | Window placement | Up to 25% of window area per facade | — | — | See window area % calculation | On site | — | Unlock | IMC 18.612.090(B)(7) |
IC Intensive Commercial, PO Professional Office, CBD Cultural and Business District, UC Urban Core, MU Mixed-Use, MU-CI Mixed-Use – Central Issaquah, IC-CI Intensive Commercial – Central Issaquah, UV-COM/RET Urban Village – Commercial/Retail, UV-RET Urban Village – Retail, UV-O Urban Village – Office, UV-VC Urban Village – Village Center, M Mineral Resources
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Wall Sign (Nonresidential) | Not above roof, up to 65 ft max above grade or base building height | IMC 18.612.080(F): 15-200 sq. ft. depending on building facade area | — | — | Multiple per incentives | On site (may extend up to 12 inches in right-of-way) | — | Unlock | IMC 18.612.090(B), Table 18.612.090(C); IMC 18.612.080(F)-(E) |
| Projection Sign (Nonresidential) | Not above parapet/roof; up to 65 ft per code or base building height | See IMC 18.612.080(F); based on facade area | — | See projection sign code for projection and curb distance | See multiple entry incentives | On site; may extend into right-of-way | — | Unlock | IMC 18.612.090(G), Table 18.612.090(G)(3) |
| Marquee Sign | Up to 65 feet or allowed zone | See IMC 18.612.080(F): up to 200 sq. ft., see also Table 18.612.090(J)(2) | — | — | 1 per business | Extends over entrance/sidewalk or may extend above parapet or into right-of-way | — | Unlock | IMC 18.612.090(J), Table 18.612.090(J)(2) |
| Monument Sign (Outside CI, Highlands, Talus, CBD) | 10 feet | 32 sq. ft. (individual), 50 sq. ft. (multibusiness) | — | 2 ft from any property line | 1 per entry/property | On site | — | Unlock | IMC 18.612.090(F), Table 18.612.090(F)(3) |
| Pedestrian-Oriented Sign | 12 feet | 4 sq. ft. per sign face | — | At least 2 ft from curb/vehicular lane | One per business per eligible facade | On site, may extend into right-of-way under conditions | — | Unlock | IMC 18.612.090(G)(3) |
PermitPal covers all 6 zoning districts in Issaquah — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.
See all 6 zones for Issaquah — start freeProhibited Signs in Issaquah
- No person may erect, alter, maintain, or relocate any of the following signs: abandoned signs, animated signs (digital or moving signs except approved reader boards in community facilities zones), billboard signs, blinking signs or signs with flashing lights, cabinet signs (box/can signs), feather signs, flags larger than 60 sq ft, movable fuel price signs, highway advertising in violation of state laws, certain I-90 facing signs, internally illuminated or backlit awning/canopy signs where light shines through, illuminated signs that shine onto streets or project a sign/image onto a street/highway/sidewalk, large inflatable signs/objects (over 18"), monument signs not in compliance with height/placement requirements, signs affixed or painted to natural features and street furniture, signs on parked vehicles, trailers, or carts for advertising purposes (with exceptions), off-site signs, readerboard signs (portable or electronic except as allowed), reflective material in signage, revolving/moving signs (with some exceptions), roof signs, strings of pennants, ribbons, streamers, spinners, moving devices, temporary signs attached to permanent signs, traffic hazard/public nuisance signs (e.g., signs that imitate traffic signs), utility/public street feature signs, commercial signs or messages attached to wireless communication facilities or cranes, signs in or over public right-of-way except as specifically allowed, commercial signs or messages on railroad right-of-way or on former railroad rights-of-way used for public purposes, illuminated sign lighting that is so bright/distracting it is a traffic hazard, illuminated sign lighting visible raceways/transformers except when painted to match building, sign lighting exceeding color temperature of 3,000K (signs) or 4,000K (outdoor lighting in ROW), internally illuminated signs not specifically allowed, building outlining (any color), light spillover at more than 0.3 footcandles at edge of any required critical area buffer, neon/LED outlining of buildings/roofs, off-site signs (advertising off-site businesses except specifically allowed), signs placed as sole principal use of a lot/parcel/easement.
- No sign may be located on a lot/easement as the sole principal use.
- No permanent sign may be placed on railroad right-of-way/land now used publicly, except governmental signs.
- Signs, balloons, or devices may not be affixed to or painted on public infrastructure (utility poles, benches, trash receptacles, street sign poles, street trees etc.), except as allowed.
- Any prohibited sign or sign feature must be removed if found or upon cessation of permitted use.
- Signs must not obstruct pedestrian or accessible routes, sight distance at corners/intersections, fire hydrants, or other safety features.
Exempt Signs in Issaquah
- Signs required by local, state, or federal law or regulation are exempt from the standards of this chapter.
- Government signs (city, county, state, federal, or special districts) installed for public health, safety, or welfare are exempt.
- Art that does not contain text or logos is not considered a sign and is not subject to sign standards.
- Signs not visible from any location designated or designed for public travel/use/gathering, even if on private property, are exempt.
- Signs on vehicles (not parked primarily for advertising purposes) are exempt.
- Minor, nonelectrified, and unilluminated on-site signs (balloons under 18", 'credit available' under 2 sf, unit occupied signs under 1 sf, posters, umbrellas with messages, residential nameplates under 2 sf) are exempt.
- Standard traffic/pedestrian signs less than 4 sf allowed by MUTCD and directed by traffic engineer are exempt.
- Memorial signs (under 6 sf, one per frontage) are exempt.
- Certain outdoor lighting is exempt: All new/replacement lighting for single-family lots; lighting in active development agreements; lighting for public streets/ROW/easement for illuminating streets/roads; lighting solely for signs (governed by Chapter 18.612); repairs to existing luminaires not exceeding thresholds; temporary theatrical/event lighting; permanent/temporary strings of lights under 70 lumens; temporary seasonal/festival lighting under 70 lumens for less than 60 days; lighting used only under emergency conditions; lighting approved in special event/special use permit; and motion-activated security lights set to automatic shut-off.
- Existing single-family use lots are exempt from the landscape standards of Chapter 18.606.
- Single-family detached developments are not subject to the Chapter 18.600 Urban Design and Site Planning standards.
- Maintaining and cleaning signs does not require a sign permit if no structural, electrical, refacing, or color changes occur.
- Temporary, noncommercial, and temporary commercial signs may not require sign permits unless specifically indicated.
- Any sign on a vehicle, except when publicly visible and parked primarily to attract attention, is exempt.
Sign Plan & Submission Notes for Issaquah
- Applicants may submit a sign package (sign plan) for multiple signs associated with a business or project; a permit is required for each distinct sign unless multiple identical signs are submitted (charged as one). (18.612.080.A.2)
- A master business district kiosk plan is required for business district kiosk signs, showing proposed locations and demonstrating compliance with location criteria before submitting for permit. (18.612.090.M.4a)
- Any deviation from sign code standards not explicitly provided for (beyond administrative deviation processes) must be processed as a variance via Chapter 18.210 IMC (variances). (18.612.190)
- Temporary sign agreement (with sign number) is required for certain temporary commercial signs (e.g., A-frames, real estate project signs, banners, etc.). (18.612.100.B)
- Sign permits (Level 1 review) are required for most permanent signs; a sign design package may be submitted for review and permitting together. (18.612.080.A.2-3)
- Landscape and irrigation plans must be submitted and approved by the City before a construction permit is issued for applicable development; revisions must be approved and installed per code. (18.606.130)
- Outdoor lighting permit required for all lighting except when exempt; application must include a site plan showing locations, specifications, manufacturer cut sheets, etc. (18.610.090.A)
- Parking flexibility/shared parking requests (may involve signage) require a shared parking contract and review. Contract must be recorded with King County and may include a parking plan. (18.604.160.E.6)
- Any proposal for deviation from standards must follow the deviation/variance processes as described in administrative chapters.
Source: other municipal code