40 Congress Street Portsmouth, NH $ 12,500,000
40 Congress Street
$ 12,500,000
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40 Congress Street

Portsmouth, NH, 03801
$ 12,500,000
Bedrooms-- Baths--

Monthly Estimate*

$ 76,965

Listed by Kent White, The Boulos Company, 603-781-6546, kwhite@boulos.com
40 Congress Street, Portsmouth, NH 03801 - Image 1
40 Congress Street, Portsmouth, NH 03801 - Image 2

Commercial Property for sale in Portsmouth, NH

for $12,500,000. This building was built in 1878.

Located in the heart of downtown Portsmouth, 40 Congress Street offers a rare opportunity to own a boutique commercial asset in one of New England’s most dynamic and historic markets. The 22,601± SF property sits on a 0.09± acre parcel and is zoned CD5 (Character District 5), allowing for a variety of commercial, office, and mixed-use uses including a possible residential conversion on the upper floors. Positioned within Portsmouth’s vibrant Downtown Historic District and just steps from Market Square, the property benefits from exceptional walkability, strong surrounding demographics, and limited supply. 40 Congress Street offers a well-located asset with versatile use potential and strong long-term value. For more information, a signed NDA is required.

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Commercial Active

Price

$ 12,500,000

Property Type

Commercial

Taxes

$ 0

Style

Investment,Office,Retail

Year Built

1878

Town/City

Portsmouth

County/Region

Rockingham

MLS | Web ID

5084657

Features
Interior
Basement Description Finished
Basement Yes
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General
Road Frontage Yes
Sewer Public
Utilities Gas On-Site
Zoning CD5
Year Built 1878
Business Type Investment Office Retail
Tax Year 2026
Status Detail 0
City Portsmouth
DOM 0
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Exterior
Water Source Public
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* Excluded Features
List By
Kent White

Listing Agent

The Boulos Company

Broker

(603) 781-6546

Phone

kwhite@boulos.com

Email

Affordability Calculator

$76,965
Per Month
100%
0%
0%
Monthly Principal & Interest
$76,965
Monthly Property Taxes
--
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
451920 Elementary School
452237 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/21/2026$12,500,000 Listed Price

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40 Congress Street, Portsmouth, NH, 03801 is a Commercial Property for sale at $12,500,000. 40 Congress Street was built in 1878. The property's zip code is 03801 which is in Portsmouth, NH