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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.

Full Property Details for 140 Main St

General

  • Status: Active
  • Type: Commercial Lease
  • Source: PrimeMLS
  • MLS ID: 5089758
  • Updated: Today (5/19/2026)
  • Added to Site: Today

Location

  • County: Rockingham

Utilities

  • Sewer: Public

Structural Information

  • Basement Entrance: Walk-up
  • Basement Desc.: Unfinished
  • Finished Total: 3,475 Sq. Ft.
  • Year Built: 1890

Lot Features

  • Lot Size (Acres): 0.25
  • Lot Size (Sq. Ft.): 10,890
  • Zoning: M2

Financial Considerations

  • Assessment Year: 2025
  • Assessment Amount: $855,500

Listed by The Boulos Company, Christian Stallkamp and The Boulos Company, Katherine L Gemmecke

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Listed by The Boulos Company, Christian Stallkamp and The Boulos Company, Katherine L Gemmecke

Listing agents

— 140 Main St —

  • Christian Stallkamp

    The Boulos Company

  • Katherine L Gemmecke

    The Boulos Company

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 140 Main St

School District:Newmarket School District
NameGradesDistance
Newmarket Elementary School
243 South Main Street, Newmarket, NH 03857
PK-50.8 mi
Newmarket Jr.-Sr. High (Elem)
213 South Main Street, Newmarket, NH 03857
6-80.5 mi
Newmarket Jr.-Sr. High School
213 South Main Street, Newmarket, NH 03857
9-120.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

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NMLS#: 1598647

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Listed by The Boulos Company, Christian Stallkamp and The Boulos Company, Katherine L Gemmecke

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140 Main Street, Newmarket, NH 03857 (MLS# 5089758) is a Commercial Lease property. 140 Main Street is currently listed for and was received on May 19, 2026. Want to learn more about 140 Main Street? Do you have questions about finding other Commercial Lease real estate for sale in Newmarket? You can browse all Newmarket real estate or contact a Coldwell Banker agent to request more information.

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