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Metro permit data · updated Oct 18, 2026

Baltimore-Columbia-Towson, MD: residential permits by trade

45 trade × city pages in this metro pass our publishing threshold. Totals below also include cities below it.

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Quick answer. In the latest 8 weeks of each source (Aug 22, 2026 – Oct 18, 2026), 7,319 residential permits matched at least one trade in the Baltimore-Columbia-Towson, MD metro, across 5 public permit sources. The biggest trades were electrical (2,526), plumbing (1,425), HVAC (1,335).

By trade

TradePermitsCity pages
Electrical2,5262
Plumbing1,4252
HVAC1,3352
Water Heaters9362
Gas Lines9342
Remodeling & GC9272
Windows & Doors7352
New Construction5702
Solar5342
Sewer & Septic3612
Decks & Patios3482
Kitchen & Bath Remodeling3272
Fencing2952
Insulation1831
Fire Sprinklers1491
Roofing1422
Siding1351
Generators1231
EV Chargers792
Pool & Spa781
Battery Storage661
ADUs & Additions642
Foundation Repair422
Garages331
Landscaping212
Demolition181
Concrete & Driveways111

A permit can count in several trades.

Busiest ZIP codes

ZIPPermits
21218305
21234304
21217292
21213245
21093244

Every trade × city page in the metro

Baltimore County, MD

Baltimore County electrical permits · 1,622Baltimore County plumbing permits · 687Baltimore County gas line permits · 574Baltimore County new-construction permits · 517Baltimore County water heater permits · 497Baltimore County HVAC permits · 486Baltimore County solar permits · 468Baltimore County remodel permits · 365Baltimore County sewer and septic permits · 245Baltimore County deck and patio permits · 221Baltimore County fence permits · 174Baltimore County generator permits · 119Baltimore County pool & spa permits · 70Baltimore County EV charger permits · 65Baltimore County battery storage permits · 61Baltimore County windows & doors permits · 39Baltimore County kitchen and bath remodel permits · 36Baltimore County ADU and addition permits · 28Baltimore County garage permits · 26Baltimore County foundation repair permits · 14Baltimore County demolition permits · 11Baltimore County landscape and irrigation permits · 11Baltimore County roofing permits · 10

Baltimore, MD

Baltimore electrical permits · 904Baltimore HVAC permits · 849Baltimore plumbing permits · 738Baltimore windows & doors permits · 696Baltimore remodel permits · 562Baltimore water heater permits · 439Baltimore gas line permits · 360Baltimore kitchen and bath remodel permits · 291Baltimore insulation permits · 178Baltimore fire sprinkler permits · 144Baltimore roofing permits · 132Baltimore siding permits · 132Baltimore deck and patio permits · 127Baltimore fence permits · 121Baltimore sewer and septic permits · 116Baltimore solar permits · 66Baltimore new-construction permits · 53Baltimore ADU and addition permits · 36Baltimore foundation repair permits · 28Baltimore EV charger permits · 14Baltimore concrete and driveway permits · 10Baltimore landscape and irrigation permits · 10

Sources

  • Baltimore City: source dataset. Window Aug 24, 2026 – Oct 18, 2026. Last pulled Oct 18, 2026.
  • Baltimore County (building): source dataset. Window Aug 22, 2026 – Oct 16, 2026. Last pulled Oct 18, 2026.
  • Baltimore County (electrical): source dataset. Window Aug 23, 2026 – Oct 17, 2026. Last pulled Oct 18, 2026.
  • Baltimore County (gas): source dataset. Window Aug 22, 2026 – Oct 16, 2026. Last pulled Oct 18, 2026.
  • Baltimore County (plumbing): source dataset. Window Aug 22, 2026 – Oct 16, 2026. Last pulled Oct 18, 2026.

How we count: method.

Questions

How many residential permits were issued in the Baltimore metro recently?

In the latest 8 weeks of each source (Aug 22, 2026 – Oct 18, 2026), 7,319 residential permits matched at least one trade in the Baltimore-Columbia-Towson, MD metro, across 5 public permit sources. The biggest trades were electrical (2,526), plumbing (1,425), HVAC (1,335).

Which ZIP codes in the Baltimore metro have the most residential permits?

21218 (305), 21234 (304), 21217 (292), counting each permit once across trades.

How do I get Baltimore permit leads for my trade?

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