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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 17, 2026), 7,323 residential permits matched at least one trade in the Baltimore-Columbia-Towson, MD metro, across 5 public permit sources. The biggest trades were electrical (2,468), HVAC (1,319), plumbing (1,295).

By trade

TradePermitsCity pages
Electrical2,4682
HVAC1,3192
Plumbing1,2952
Gas Lines9342
Remodeling & GC9342
Water Heaters8482
Windows & Doors7262
New Construction5712
Solar5342
Sewer & Septic3592
Decks & Patios3412
Kitchen & Bath Remodeling3182
Fencing2762
Insulation1741
Roofing1312
Generators1231
EV Chargers792
Pool & Spa781
Battery Storage661
ADUs & Additions612
Fire Sprinklers601
Foundation Repair402
Siding391
Garages331
Landscaping212
Demolition181
Concrete & Driveways131

A permit can count in several trades.

Busiest ZIP codes

ZIPPermits
21234304
21218302
21217294
21213246
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 · 485Baltimore 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 · 846Baltimore HVAC permits · 834Baltimore windows & doors permits · 687Baltimore plumbing permits · 608Baltimore remodel permits · 569Baltimore gas line permits · 360Baltimore water heater permits · 351Baltimore kitchen and bath remodel permits · 282Baltimore insulation permits · 169Baltimore roofing permits · 121Baltimore deck and patio permits · 120Baltimore sewer and septic permits · 114Baltimore fence permits · 102Baltimore solar permits · 66Baltimore fire sprinkler permits · 55Baltimore new-construction permits · 54Baltimore siding permits · 36Baltimore ADU and addition permits · 33Baltimore foundation repair permits · 26Baltimore EV charger permits · 14Baltimore concrete and driveway permits · 12Baltimore landscape and irrigation permits · 10

Sources

  • Baltimore City: source dataset. Window Aug 22, 2026 – Oct 16, 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 17, 2026), 7,323 residential permits matched at least one trade in the Baltimore-Columbia-Towson, MD metro, across 5 public permit sources. The biggest trades were electrical (2,468), HVAC (1,319), plumbing (1,295).

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

21234 (304), 21218 (302), 21217 (294), counting each permit once across trades.

How do I get Baltimore permit leads for my trade?

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