Not a government site. Always confirm with your local building department before you build. About us

Building Permit Requirements
Menu

Do you need a permit to replace a water heater in Philadelphia?

Yes. Philadelphia requires a permit to replace a water heater1.

Last checked

On this page
  1. Which permits you need
  2. Limits and conditions in Philadelphia's rule
  3. What to submit
  4. Who can apply
  5. Water heater permit fees in Philadelphia
  6. Special areas and extra reviews
  7. Who to ask
  8. Water heater permit rules in other cities
  9. Sources

Yes

Philadelphia's rule

“You need a permit for plumbing work.”1

City of Philadelphia, Department of Licenses and Inspections, Service overview

Where Philadelphia names water heaters

“Alterations for replacement of water heaters only.”2

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

Which permits you need

PermitRequired whenThe city’s wording
Plumbing permitReplacement of plumbingReplacement.1

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
Like-for-like replacement exempt?NoAlterations for replacement of water heaters only.2

What to submit

  • Thermal expansion control2

Who can apply

  • Licensed master plumber1

Water heater permit fees in Philadelphia

Fee lines as Philadelphia's schedule states them. A minimum or base fee is not the whole price when the line says the fee grows with project value.

FeeTypeAs the schedule states it
Water Heater (Residential 1 or 2 family)Flat feeWater Heater $313
Water Heater (Other occupancies)Flat fee$37 per water heater3

All of Philadelphia's fee lines are on the Philadelphia permit page.

Special areas and extra reviews

  • Large water heaters1

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

Water heater permit rules in other cities

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

Sources

  1. Get a Plumbing PermitCity of Philadelphia, Department of Licenses and InspectionsChecked November 7, 2026
  2. EZ Permit Standard: Plumbing (PB_030_F)City of Philadelphia, Department of Licenses and InspectionsPublished 2026Checked November 7, 2026
  3. PG_012_INF Construction Permit Fees (Rev 7.2026), Effective October 1, 2026City of Philadelphia, Department of Licenses and InspectionsRevised July 2026Checked 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