Updated Duplex with
For Sale
$1,325,000
491 Marcy St, Portsmouth, NH 03801
Historic two-unit property with flexible living arrangements, private outdoor areas, and a separate-entry studio apartment.
Property Size1,800 SF
Price / SF$736.11
Days on Market10
Property Features for 491 Marcy St
General Information
Standard status
Active
Size
1,800 SF
Total Parking Spaces
1
Property subtype
Multi-Family
Additional Details
Utilities to Site
Yes
Multifamily Units
2
Amenities
private sauna
private patio
storage shed
Building Details
Year Built
1750
Year Renovated
2025
Buildings
1
Listing Agency:
Duston Leddy Real Estate
(603) 828-3820
Listed By:
Kirstin Stallkamp
Source:
Langelange
Added: Aug 21
Changed: Aug 28
Last Checked: Aug 29 at 11:53AM
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 Duston Leddy Real Estate
Investment Insights
Based on property information with market context.
Built in 1750, this 1,800-square-foot Portsmouth duplex combines historic character with a flexible residential layout. The property is currently arranged as a primary home with a two-room studio apartment, while the configuration can also function as a side-by-side duplex or single-family residence. The studio has a private entrance and a spa-style bathroom with a private sauna. Both residences offer private patio areas, and the oversized shed provides storage or workshop space.
Exterior improvements completed in 2025 include a new roof, four skylights, replacement windows, cedar siding on the front façade, Hardie cement board siding on the sides and rear, and blown-in insulation. Additional features include natural gas heat, public water and sewer, two 100-amp electrical panels, and one off-street parking spot. The property is located near Prescott Park, Strawbery Banke, the Piscataqua River waterfront, and Portsmouth restaurants, boutiques, and entertainment.
Exterior improvements completed in 2025 include a new roof, four skylights, replacement windows, cedar siding on the front façade, Hardie cement board siding on the sides and rear, and blown-in insulation. Additional features include natural gas heat, public water and sewer, two 100-amp electrical panels, and one off-street parking spot. The property is located near Prescott Park, Strawbery Banke, the Piscataqua River waterfront, and Portsmouth restaurants, boutiques, and entertainment.
Key Highlights
- Legal two‑unit property at 491 Marcy St, Portsmouth, NH 03801
- 1,800 SF residential property built in 1750
- Flexible layout: single‑family home, side‑by‑side duplex, or home with 2‑room studio apartment
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
1,642
Businesses Nearby
Explore this area
Business Placement
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 Multifamily in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Historic two-unit property with flexible living arrangements, private outdoor areas, and a separate-entry studio apartment.
Where is this duplex located?
The property is located at 491 Marcy St Portsmouth, NH.
What is the asking price?
The asking price for this property is $1,325,000.
What are key features of this property?
This property features: Legal two‑unit property at 491 Marcy St, Portsmouth, NH 03801; 1,800 SF residential property built in 1750; Flexible layout: single‑family home, side‑by‑side duplex, or home with 2‑room studio apartment
