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Do you need a permit for a deck in Philadelphia?

Yes. Philadelphia requires a permit for a deck1.

Last checked

On this page
  1. Which permits you need
  2. Limits and conditions in Philadelphia's rule
  3. Zoning rules: separate from the building permit
  4. Who can apply
  5. Who to ask
  6. Deck permit rules in other cities
  7. Sources

Yes

Philadelphia's rule

“Obtain zoning and building permits for building a deck without submitting plans by meeting the Conditions and Construction Requirements below.”1

City of Philadelphia, Department of Licenses and Inspections, p.1 intro

Which permits you need

PermitRequired whenThe city’s wording
Building permitBuilding a deckObtain zoning and building permits for building a deck without submitting plans by meeting the Conditions and Construction Requirements below.1
Zoning permit or reviewDeck more than 12 in. above ground or over a basement/storyDecks. A deck can’t be more than 12 in. above the ground or over any basement or other story.2

Limits and conditions in Philadelphia's rule

Each limit sits next to the sentence it comes from; the conditions in that sentence are part of the rule.

RuleValueThe city’s wording
Express permit: maximum area160 square feetMaximum size of deck: 160 sq ft [or 216 sq. ft. with intermediate post installations]…1
Guard required above this height30 inchesA structure 12” above grade is a deck, if the deck is 30” above grade it requires a guard rail…1
Express permit: rear yard only?YesDeck must be in the rear yard. The deck cannot be in the front or side yards.1

Zoning rules: separate from the building permit

A project can be exempt from one and still need the other (zoning vs building permits).

Zoning ruleValueThe city’s wording
Zoning exemption up to this height above grade12 inchesDecks. A deck can’t be more than 12 in. above the ground or over any basement or other story.2

Who can apply

  • Owner residing in existing one-or-two-family home may perform EZ work3

Who to ask

Department of Licenses and Inspections (L&I)4

Building permits

Website
phila.gov4
Apply online
eclipse.phila.gov4
Phone
311; (215) 686-8686 outside Philadelphia5
Address
1401 John F. Kennedy Blvd., 11th Floor, Philadelphia, PA 19102
4
Hours
Permit and License Center (MSB, Public Service Concourse): 8 a.m. to 3:30 p.m., Monday through Friday; by appointment5
Inspections
ECLIPSE or IVR (215) 255-40405

Deck permit rules in other cities

Rules differ from city to city. Compare Philadelphia with 18 other cities on the national deck permit guide, or go straight to one:

Sources

  1. EZ Permit Standard: Deck (PB_018_F)City of Philadelphia, Department of Licenses and InspectionsRevised August 2026Checked November 7, 2026
  2. Get a Zoning PermitCity of Philadelphia, Department of Licenses and InspectionsChecked November 5, 2026
  3. Get permits without plans (EZ permits)City of Philadelphia, Department of Licenses and InspectionsChecked November 7, 2026
  4. Department of Licenses and Inspections | HomepageCity of Philadelphia, Department of Licenses and InspectionsChecked November 7, 2026
  5. Get a Building PermitCity of Philadelphia, Department of Licenses and InspectionsChecked November 7, 2026