Do You Need a HVAC Permit in Baltimore?

Short answer
Yes

Under Baltimore Building Code §2802, no HVACR work may start before a permit is issued, including like-for-like replacement. The permit can only be issued to a City-licensed HVACR contractor.

Source: Baltimore Building Code §2802

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Baltimore HVAC Permits at a Glance

Permits, last 12 months
3,941
Issued, last 30 days
288
Median application to issue
Not published
Median declared job value
$9,500
Issuing office
Baltimore City Department of Housing & Community Development (DHCD)
Rule last checked
October 30, 2026

Permits Issued per Month

294 Nov 348 Dec 314 Jan 303 Feb 379 Mar 336 Apr 330 May 317 Jun 338 Jul 331 Aug 333 Sep 288 Oct
Baltimore HVAC permits issued per month, Nov 2025 to Oct 2026. Lighter bar = current month to date.

Counts are approximate: we match permit types and descriptions to HVAC work. Data from Open Baltimore: DHCD Permits, refreshed October 30, 2026.

What Baltimore's Rules Say

  • Permit required before any HVACR work, including replacement.
  • Permits issue only to City-licensed HVACR contractors.
  • Rough-in and final inspections are required.

Baltimore HVAC Permit Fees

ItemOfficial fee
Air conditioning (non cooling tower)$5 per ton, min $30, max $300 per unit
Fuel-burning equipment 0–200,000 BTU/h$30
Gas/oil piping, 1–2 family$25
Replacement unitsSame as new

From Baltimore Building Code §109 (fees) (listed under Sources below). Fees are set by the city and can change.

Busiest Areas for HVAC Permits

NeighborhoodPermits (12 mo)
Poppleton168
Westport92
Broadway East88
Canton84
Frankford81
Belair-Edison80

How to Get a HVAC Permit in Baltimore

  1. Confirm the rule for your exact job on the official page cited above. Size, height, structure and location (historic district, floodplain) can change the answer.
  2. Choose who applies. Many permits here must be pulled by a licensed contractor; ask any contractor to name the license they will use.
  3. Apply with the Baltimore City Department of Housing & Community Development (DHCD) through the official department website.
  4. Schedule inspections as the permit requires, and keep the final approval with your house records.

Recent Baltimore HVAC Permits

IssuedAddressWork
2026-10-282725 PelhamREPLACE EXISTING 2 TON AC AND 75K BTU FURNACE
2026-10-28605 RappollaInstall new distribution ductwork throughout the house as per code, chimney liner, 70,000 BTU Gas furnace 80%, 2.5 ton C
2026-10-28648 W HoffmanGAS FURNACE REPLACEMENT - 80% EFFICIENCY - (60KBTU)
2026-10-28311 S DuncanREPALCE 1.5 TON HEAT PUMP
2026-10-28824 W NorthINSTALL (2) 40000 BTU AIR-CON SYSTEM – HEAT PUMP (1.5 ton/EA ) & DUCTWORK (1) # ELECTRIC WATER HEATER (1) BACKFLOW PREVE
2026-10-283307 RueckertInstall (1) # 70000 BTU Fuel-Burning Equip. – Furnace, (1) # 100000 BTU Fuel-Burning Equip. – Furnace, (1) # 2 Ton Air-C
2026-10-28840 W NorthINSTALL (2) 40000 BTU AIR-CON SYSTEM – HEAT PUMP (1.5 ton/EA ) & DUCTWORK (1) # ELECTRIC WATER HEATER (1) BACKFLOW PREVE
2026-10-28812 E NorthInterior and exterior renovation to SFD. 1. Proposed Exterior Work ? Roofing: Installation of a flat roof truss system a
2026-10-282421 WestwoodREPLACE EXISTING 75K BTU FURNACE
2026-10-281747 N MiltonGas permit for final for 50k stove and 90k furnace

Addresses and work descriptions as published by the city. Owner names and phone numbers are removed.

Baltimore HVAC Contractors: Get Weekly Permit Lists

Contractors: get new permits for your trade and city every Monday. Join the waitlist.

Frequently Asked Questions

Do I need a HVAC permit in Baltimore?

Yes. Under Baltimore Building Code §2802, no HVACR work may start before a permit is issued, including like-for-like replacement. The permit can only be issued to a City-licensed HVACR contractor.

How many HVAC permits does Baltimore issue?

Baltimore issued 3,941 permits matching HVAC work between October 30, 2025 and October 30, 2026, about 328 a month. The busiest month was Mar 2026 with 379.

How much does a HVAC permit cost in Baltimore?

From the official fee schedule: Air conditioning (non cooling tower): $5 per ton, min $30, max $300 per unit; Fuel-burning equipment 0–200,000 BTU/h: $30; Gas/oil piping, 1–2 family: $25; Replacement units: Same as new.

How long does it take to get a HVAC permit in Baltimore?

Baltimore's open data for these records does not include usable application dates, so we cannot calculate a processing time. Ask the Baltimore City Department of Housing & Community Development (DHCD) for current timelines.

Who issues HVAC permits in Baltimore?

The Baltimore City Department of Housing & Community Development (DHCD).

Related Permit Guides

Written and maintained by the Home Permit Guide Editorial TeamPlaceholder profile

Last updated

This is a placeholder editorial profile. A named reviewer with verifiable experience will be added here. Until then, every rule on this page links to the official government source it was checked against. Read our editorial policy.

Sources

Official sources checked on . Rules change; confirm with the department before you start work.

  1. Baltimore Building Code §2802 (linked above) (codes.baltimorecity.gov)
  2. Baltimore Building Code §109 (fees) (codes.baltimorecity.gov)