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Chimney repair in Northern Liberties

Chimney liners, inspections, leaks and next-door construction questions in Northern Liberties.

About Northern Liberties

Wikipedia notes that Northern Liberties’ housing is primarily rowhouses, that it has attracted much new residential development in the 21st century, and that a Northern Liberties Historic District was created in 1985.

Chimney questions that come up here

Taller new buildings beside older rowhomes are exactly the situation L&I Regulation B-3307.1.1 covers: if the new building rises above your roof within 10 feet of your chimney or vent, the builder must offer to extend it. If your house is on the Philadelphia Register, chimney masonry, flashing and vents also need Historical Commission review.

What a contractor will usually check

  • What the chimney serves (furnace, boiler, water heater or fireplace) and whether each appliance has a proper flue
  • Liner condition, usually with a camera during a Level II inspection
  • Crown, cap and flashing, where most chimney leaks start
  • Mortar and brick on the stack above the roof

See typical prices in the cost guide and the permit rules in the rules guide.

References

  1. Wikipedia: Northern Liberties, Philadelphia
  2. L&I: Regulations concerning chimney and vent clearance on properties adjoining construction sites (PDF)
  3. L&I: Chimney & vent clearance information sheet, Rev. 4.2025 (PDF)
  4. Philadelphia Historical Commission: Get approval for work to a historic property
  5. Chimney Safety Institute of America: Levels of chimney inspection (NFPA 211)

Checked October 30, 2026. Codes, fees, programs and prices change; confirm with the source. Cost figures are published ranges, not quotes.

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Philly Chimney Repair is a free referral service, not a chimney contractor. We pass your request to an independent Philadelphia contractor, who inspects, quotes and does the work.

If you smell gas, leave the house and call PGW at 215-235-1212 from outside. If a carbon monoxide alarm sounds or anyone feels sick, get everyone outside and call 911. Don’t use this form for emergencies.

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Philly Chimney Repair is a free referral service, not a chimney contractor. We pass your request to an independent Philadelphia contractor, who inspects, quotes and does the work. We are not affiliated with the City of Philadelphia, L&I or PGW. We may be paid by the contractors we refer. Disclosure.