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Get ProEvery project in every city · from $33/mo

States
California
Alameda County
Union City

Housing permits · California

Union City, CA building permits: new housing

126 new housing units permitted in the 12 months to September 2026, +125% on the year before, with $34.6M of construction value.

126
Housing units, last 12 months+125% vs. prior 12: $34.6M
Construction value: 64%
In 5+ unit buildings81 units: 1.7
Units per 1,000 residentspop. 74,501

New housing units permitted per month

Nearby places

San Francisco1,591
Oakland1,264
Fremont1,108
Contra Costa County Unincorporated Area847
Berkeley395
Dublin364
Antioch318
Daly City302
Millbrae267
San Mateo County Unincorporated Area264
San Carlos

In 5+ unit buildings All new housing units

Show as table

October 2024	5 units	0 in 5+ unit buildings
November 2024	3 units	0 in 5+ unit buildings
December 2024	0 units	0 in 5+ unit buildings
January 2025	2 units	0 in 5+ unit buildings
February 2025	5 units	0 in 5+ unit buildings
March 2025	17 units	0 in 5+ unit buildings
April 2025	1 units	0 in 5+ unit buildings
May 2025	1 units	0 in 5+ unit buildings
June 2025	15 units	0 in 5+ unit buildings
July 2025	3 units	0 in 5+ unit buildings
August 2025	1 units	0 in 5+ unit buildings
September 2025	3 units	0 in 5+ unit buildings
October 2025	1 units	0 in 5+ unit buildings
November 2025	4 units	0 in 5+ unit buildings
December 2025	90 units	81 in 5+ unit buildings
January 2026	4 units	0 in 5+ unit buildings
February 2026	1 units	0 in 5+ unit buildings
March 2026	5 units	0 in 5+ unit buildings
April 2026	4 units	0 in 5+ unit buildings
May 2026	4 units	0 in 5+ unit buildings
June 2026	4 units	0 in 5+ unit buildings
July 2026	3 units	0 in 5+ unit buildings
August 2026	4 units	0 in 5+ unit buildings
September 2026	2 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	39	39	$11.2M
2 units	0	0	—
3–4 units	2	6	$1.7M
5+ units	1	81	$21.7M

By year

Year	Housing units	In 5+ unit buildings	Value
2025	142	81	$37.6M
2024	41	0	$13.5M
2023	28	0	$6.2M

Key facts

Union City, CA permitted 126 new privately owned housing units in the 12 months to September 2026, worth $34,576,978 in construction value.
That is +125% compared with the 12 months before (56 units).
39 were single-family homes and 81 were in apartment buildings with 5 or more units (1 buildings).
The average single-family home permitted was valued at $287,206.
In September 2026, the latest month published, 2 units were permitted.
It ranked #170 of 521 permit-issuing places in California by housing units permitted in the period.
In 2025, the full year, 142 units were permitted ($37.6M).

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

Looking for commercial projects?

These are housing statistics. We publish permit-by-permit commercial construction leads, with contractors, for the cities on our coverage list.

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263

Also see

Alameda County4,027
San Francisco-Oakland-Fremont CA9,775
California111,592