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Historic Downtown Office Building
New
For Sale
$12,500,000

40 Congress Street, Portsmouth, NH 03801

CD5 zoning supports office, commercial, and mixed-use applications.

Property Size22,601 SF
Lot Size0.09 Acres
Price / SF$553.07
Days on Market3

Property Features for 40 Congress Street

General Information

Standard status Active
Size 22,601 SF
Lot size 0.09 Acres
Zoning CD5

Amenities

yes
Walk-up
Finished
22601
Public
Yes

Building Details

Year Built 1878
Listing Agency:
Listed By: Sheila Lord
Source: Homesvermont.idxbroker
Added: Aug 15 Changed: Aug 16 Last Checked: Aug 16 at 5:01AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Sheila Lord

Investment Insights

Based on property information with market context.

40 Congress Street is a 22,601± SF office property on a 0.09± acre parcel, with finished interior space and walk-up access. Built in 1878, the building is located within Portsmouth’s Downtown Historic District and carries CD5 zoning.

The zoning supports a range of commercial, office, and mixed-use applications, with possible residential conversion on the upper floors. The property is situated in downtown Portsmouth, near Market Square and the surrounding commercial district.

Key Highlights

  • 22,601± SF office property on a 0.09± acre parcel
  • CD5 zoning supports commercial, office, and mixed‑use uses
  • Possible residential conversion on the upper floors

Property Analytics

Current Use

Jasmine Talon - CMG ... Loan Service Richard John DeMarco ... Financial Advisor Lindsey Polhemus, CFP ... Financial Advisor Andrea Landini, CIMA, ... Financial Advisor Hugh Jencks - UBS ... Financial Advisor

Suggested Use

Top Pick Locksmith Auto Parts Store Pet Grooming Service Butcher (Bike/Boat/Book/etc) Store Catering Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

2,602
Businesses Nearby

Demographics for 03801, NH

22,767
Population
11,448
Households
2
Avg Household Size
43
Median Age
63%
College-Educated
98%
High-School Grad
23.8 sq mi
ZIP Area
957
Density / Sq Mi
$106,520
Median Household Income
$65,984
Median Earnings
$1,783
Median Rent
$647,500
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Office building - CD5 zoning supports office, commercial, and mixed-use applications.
Where is this office building located?
The property is located at 40 Congress Street Portsmouth, NH.
What is the asking price?
The asking price for this property is $12,500,000.
What are key features of this property?
This property features: 22,601± SF office property on a 0.09± acre parcel; CD5 zoning supports commercial, office, and mixed‑use uses; Possible residential conversion on the upper floors
More about this property
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