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Maryland
Baltimore County
Baltimore County

Housing permits · Maryland

Baltimore County (unincorporated), MD building permits: new housing

1,554 new housing units permitted in the 12 months to September 2026, +43% on the year before, with $321M of construction value.

1,554
Housing units, last 12 months+43% vs. prior 12: $321M
Construction value: 45%
In 5+ unit buildings703 units: 1.9
Units per 1,000 residentspop. 826,017

New housing units permitted per month

Nearby places

Anne Arundel County Unincorporated Area1,187
Baltimore705
Harford County Unincorporated Area486
Howard County427
Annapolis371
Queen Annes County Unincorporated Area214
Carroll County184
Havre de Grace156
Aberdeen113
Bel Air town84

Also see

In 5+ unit buildings All new housing units

Show as table

October 2024	55 units	0 in 5+ unit buildings
November 2024	58 units	0 in 5+ unit buildings
December 2024	46 units	0 in 5+ unit buildings
January 2025	61 units	14 in 5+ unit buildings
February 2025	96 units	0 in 5+ unit buildings
March 2025	92 units	0 in 5+ unit buildings
April 2025	297 units	190 in 5+ unit buildings
May 2025	85 units	0 in 5+ unit buildings
June 2025	94 units	0 in 5+ unit buildings
July 2025	94 units	0 in 5+ unit buildings
August 2025	108 units	0 in 5+ unit buildings
October 2025	111 units	0 in 5+ unit buildings
November 2025	314 units	159 in 5+ unit buildings
December 2025	49 units	0 in 5+ unit buildings
January 2026	221 units	178 in 5+ unit buildings
February 2026	103 units	14 in 5+ unit buildings
March 2026	75 units	0 in 5+ unit buildings
April 2026	428 units	352 in 5+ unit buildings
May 2026	25 units	0 in 5+ unit buildings
June 2026	47 units	0 in 5+ unit buildings
July 2026	76 units	0 in 5+ unit buildings
August 2026	60 units	0 in 5+ unit buildings
September 2026	45 units	0 in 5+ unit buildings

By building size

Last 12 months. Value is the construction cost reported on the permits.

Building size	Buildings	Units	Value
Single-family	849	849	$246M
2 units	1	2	$302K
3–4 units	0	0	—
5+ units	8	703	$75.4M

By year

Year	Housing units	In 5+ unit buildings	Value
2025	1,531	379	$336M
2024	1,511	643	$417M
2023	1,673	554	$395M

Key facts

Baltimore County (unincorporated), MD permitted 1,554 new privately owned housing units in the 12 months to September 2026, worth $321,436,137 in construction value.
That is +43% compared with the 12 months before (1,086 units).
849 were single-family homes and 703 were in apartment buildings with 5 or more units (8 buildings).
The average single-family home permitted was valued at $289,436.
In September 2026, the latest month published, 45 units were permitted.
It ranked #3 of 85 permit-issuing places in Maryland by housing units permitted in the period.
In 2025, the full year, 1,531 units were permitted ($336M).

Source: U.S. Census Bureau, Building Permits Survey, data through September 2026. New privately owned housing units authorized by building permits, including the Bureau’s estimates for places that didn’t report; commercial buildings and renovations are not counted. How we use it

Commercial permits in Baltimore County

We track every commercial and multifamily building permit in Baltimore County, daily: the project, its value and the contractor.

See Baltimore County projects

Baltimore County1,554
Baltimore-Columbia-Towson MD5,504
Maryland13,429