40 Congress Street, Portsmouth, NH
Commercial Sale
Listed by The Boulos Company · Kent White
Property Description
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.
Property Details
Essentials & finishes
- Bedrooms:0
- Total Baths:0
- Property Type:Commercial Sale
- Year Built:1878
- County:NH-Rockingham
- Town:Portsmouth, NH
- Status:Active
- Days on Market:78
Primary Features
Interior Features
Financial Details
Additional
External Features
Property History
Price, listing activity & annual taxes for this property
No sales history available.
Market Data
Live snapshot computed from active listings in this town
- Active listings in Portsmouth198
- Average list price$1,533,392
- Price range$489,000 – $3,395,000
- Market sentimentBuyer's Market
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- Principal & Interest$63,207
- Property Tax$17,708
- Home Insurance$2,604
Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.

Tom DeMatteo
Owl’s Nest Real Estate · Questions?
Market Sentiment
Buyer's MarketBased on 198 active · 0 sold in Portsmouth (last 90 days)

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