Photo of 140 Main Street
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Retail · Freestanding Bank

140 Main Street

Newmarket, NH 03857

Available spaces

1 for lease · asking rates · updated Oct 29, 2026

Sublease Office Space at 140 Main St.

Sublease Office Space

$21.00/SF/yr MG
Size 3,475 SFAvailable Now≈ Monthly $6,081

140 Main Street in Newmarket, New Hampshire currently has approximately 3,475± SF of office space available for sublease. Located in downtown Newmarket, this former bank branch includes a practical mix of open work areas and private offices along with a conference room, kitchenette, and private restrooms. Located on Main Street, the property benefits from a convenient location with steady pedestrian traffic, nearby retail and dining options, and convenient access local routes, making it suitable for a variety of office or service-oriented users. • 3,475± SF on two floors • Modern finishes & layout • Sublease term runs through 12/31/2030. Potential for longer term arrangement. Inquire for details.

The building

Building
3,475 SF · 2 floors
Site
0.25 Acres · M2 zoning
Occupancy
Single-tenant
Submarket
Boston-Cambridge-Quincy

Comps

Comparable sales and lease data is available to members only.
CS
Christian Stallkamp · The Boulos Company