US Sign Code

Is your storefront sign legal?

In most US cities your legal sign size is buried in the zoning code and changes block to block. Pick your city, enter your address, and get a clear green/amber/red read before you pay for a sign the city makes you take down.

Choose your city

New York City Live
NYC Zoning Resolution · automatic zoning lookup by address
Check my sign →
Chicago Live
Chicago Zoning Ordinance 17-12 · automatic zoning lookup
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Los Angeles Live
LAMC 14.4 wall-sign formula · automatic zoning lookup
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Dallas Live
Dallas Development Code 51A-7 · facade-percentage rule
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Atlanta Live
Atlanta Sign Ordinance 16-28A · 10% facade rule
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Nashville Live
Metro Code 17.32 · 15% facade rule
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Sacramento Live
City Code 15.148 · 3 sq ft per frontage foot
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Philadelphia Live
Phila. Zoning Code 14-904 · 2 sq ft per foot of frontage
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San Francisco Live
SF Planning Code Article 6 · NC district sign limits
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Miami Live
Miami 21 Article 10 · Transect Zone sign limits
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Fort Worth Live
Fort Worth Zoning Ord. Ch. 6 · 10% facade rule
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Phoenix Live
Phoenix Zoning Ord. §705 · 1 sq ft per foot of frontage
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Austin Live
Austin City Code Ch. 25-10 · sign-district facade %
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Houston Guide
No zoning · street-category sign rules + checklist
Read the guide →
Boston Guide
Article 11 · design review + historic districts
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Las Vegas Guide
City Title 19 vs Clark County Title 30 · jurisdiction
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San Diego Guide
Right-of-way + speed-limit sign rules + checklist
Read the guide →
San Antonio Guide
Facade % + street-class sign rules + checklist
Read the guide →
Seattle Guide
SMC 23.55 zone-based rules + 72 sq ft cap + checklist
Read the guide →
Denver Guide
Multi-permit stack + historic-district sign rules
Read the guide →
Jacksonville Live
§656.1303 frontage calculator + Sign Bond check
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Columbus Guide
Graphics Code square-root formula + checklist
Read the guide →
Indianapolis Guide
Frontage + zone rules + residential-adjacency limits
Read the guide →
Charlotte Guide
UDO Article 22 zone + leasable-wall rules + checklist
Read the guide →

How it works

01
Enter your address
We look up the zoning district for your exact parcel from public city data.
02
Describe your sign
Size, illumination, frontage. We match it against your district's real ordinance limits.
03
Get a risk read
Green, amber, or red — with the exact code section behind it, and a path to a licensed pro.

Why this exists

Every US city writes its own sign ordinance, tucked inside hundreds of pages of zoning code, and the limits change with your district — and sometimes whether your sign is lit. Owners routinely size a sign off the wrong number and get a rejected permit, a daily-accruing fine, or a removal order after the sign is already up. Big software skipped this because parsing thousands of city codes by hand never paid off. We read each city's actual ordinance so you can check your sign in seconds, for free, before you commit.