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. o 3,475± SF on two floors o Modern finishes & layout o Sublease term runs through 12/31/2030. Potential for longer term arrangement. Inquire for details.

Listing Tools

Property Details of 140 Main Street

Property Details

Exterior Features

Map Location

Broker Reciprocity 

Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated August 19, 2026 9:37 PM UTC

 

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Better Homes and Gardens Real Estate The Masiello Group. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.