Office & Medical Office Space in Union County, NJ
AcreX helps companies and medical practices lease, buy or sell office space in Union County, and helps owners reposition office buildings.
Book a consultation with Jonathan Libock ยท Call (201) 694-6463
Local market notes
Locally, the sheet maps 5 Union County office-category projects totaling 51,303 sf where size is printed. The largest by building size is Hackensack Meridian ambulatory medical offices, 1180 Raritan Rd in Clark (39,116 sf). By count, the leading towns are Clark (1) and Westfield (1).
How AcreX helps in Union County
Office and medical office tenant representation
Landlord leasing for office and medical buildings
Office building sales, including conversion and repositioning candidates
Union County pipeline at a glance
The public AcreX NJ Pipeline sheet maps 39 Union County multifamily projects totaling 3,073 units as of October 24, 2026. By status: Approved 28; Scheduled 6; Hearing noticed 2; Completed 2; Under construction 1. Towns with the most projects: Plainfield (9), Elizabeth (6), Union Township (4), Westfield (3), Berkeley Heights (2).
Commercial projects in Union County from the sheet
The Commercial tab lists 5 Union County projects in this category. The largest by building size:
Hackensack Meridian ambulatory medical offices, 1180 Raritan Rd (Clark): office (medical), 39,116 sf, Approved. Source
AHS Hospital medical office, 138-140 Central Ave (Westfield): office (medical), 11,274 sf, Pending. Source
SAF 367 Summit - 913 sf third-floor addition and relocated rooftop equipment at former Bank of America building, 367 Springfield Ave (PB-24-277) (Summit): office (addition), 913 sf, Approved. Source
Overcomers ABA Services - office and training center for ABA instructors, 1370 Morris Ave (Union): office, Withdrawn. Source
1128 Spruce Dr - two-story mixed-use recreation and office building, ~19,808 sf footprint, in L-I zone (use variance) (Mountainside): commercial (recreation/office), Pending. Source
Largest multifamily projects in Union County
Unit counts and status as printed in the sheet. Each links to its public source.
BH WEST FRONT-URBAN RENEWAL LLC (Plainfield): 501 units, Hearing noticed. Source
70 Ryder Way (New Providence): 297 units, Approved. Source
The Metropolitan (Springfield): 270 units, Completed. Source
Fairways at Cranford (Cranford): 250 units, Under construction. Source
Westfield Park Partners (Westfield): 162 units, Completed. Source
Alpert Group (Rahway): 112 units, Approved. Source
Map
Map: AcreX NJ multifamily pipeline filtered to Union County, from the public AcreX sheet. See the full pipeline map.
Related pages
Frequently asked questions
How many multifamily projects are planned in Union County?
The AcreX map shows 39 mapped Union County projects totaling 3,073 units across all statuses, as of October 24, 2026.
Does AcreX handle office & medical office space in Union County?
Yes. Book a consultation and we will review your goals, timing and the local data with you.
Where is AcreX located?
AcreX is based at 307 Bloomfield Ave, Caldwell, NJ 07006, and serves Union County and the rest of northern New Jersey. Call (201) 694-6463.
Book a consultation
Talk with AcreX about Union County, New Jersey. Book a consultation or call (201) 694-6463. AcreX is based at 307 Bloomfield Ave, Caldwell, NJ 07006.

