20 Ladd St, Unit K

Portsmouth, NH 03801

$2,300,000
Price
Studio
Beds
4,627 Sq. Ft.
$497 / Sq. Ft.
4,627
Sq. Ft.
$497
per Sq. Ft.
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Description

Motivated Seller! An extraordinary opportunity awaits in one of Portsmouth’s most coveted locations! Currently configured as a luxury commercial office space, this expansive 4,600± sq.ft. third-floor condominium offers the rare potential to be transformed into a stunning residential unit in the vibrant downtown core! Positioned between Market Street and Congress Street, this historic 1860 building has been meticulously restored inside and out, preserving timeless character while offering modern convenience....Motivated Seller! An extraordinary opportunity awaits in one of Portsmouth’s most coveted locations! Currently configured as a luxury commercial office space, this expansive 4,600± sq.ft. third-floor condominium offers the rare potential to be transformed into a stunning residential unit in the vibrant downtown core! Positioned between Market Street and Congress Street, this historic 1860 building has been meticulously restored inside and out, preserving timeless character while offering modern convenience. Direct elevator access brings you into a sun-filled open layout framed by oversized windows on nearly every side, flooding the space with natural light and city views. With soaring ceilings, flexible floor plan, the possibilities are endless design a grand single residence with a multi-bedroom layout and spacious living and entertaining areas. A standout feature is the professional-grade kitchen, which could be reimagined into a stunning culinary centerpiece for gatherings at home. Step outside and you’re just moments from Portsmouth’s award-winning restaurants, cafés, boutiques, galleries and waterfront. With the municipal parking garage conveniently across the street, this residence blends urban lifestyle and everyday practicality. This is a one-of-a-kind opportunity to reimagine a historic space bring your vision and create your dream home in downtown Portsmouth. Buyers to do their own due diligence with the town regarding conversion from commercial to residential use.
  1. Listed by Meaghan DeFreze • KW Coastal and Lakes & Mountains Realty

Property Details for 20 Ladd Street, Unit K

Development / Subdivision
Pierce Block
Zoning
CD5
LISTING UPDATED: 10/20/2025 12:38 PM

Property Details for 20 Ladd Street, Unit K

StatusActive
MLS #5064019
Days on Market72
Taxes$16,811 / year
HOA Fees$847 / month
Condo/Co-op Fees-
Compass TypeCondo
MLS TypeResidential / Condo
Year Built1860
CountyRockingham County

Location

Listing Courtesy of KW Coastal and Lakes & Mountains Realty
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Building Information for 20 Ladd Street, Unit K

Building/Complex20 Ladd StFloor-Stories1Residences18Pet Policy-Pet Policy Details-Year Built1860

Payment Calculator

$13,613 per month

30 year fixed, 6.28% Interest

Principal and Interest

$11,365

Property Taxes

$1,401

HOA Dues

$847

The Payment Calculator is for illustrative purposes only.

Property Information for 20 Ladd Street, Unit K

Summary
Location and General Information
  • City: Portsmouth
  • County: NH-Rockingham
  • Latitude: 43.077421815678335
  • Longitude: -70.758200519014352
  • Road Frontage: TBD
  • Seasonal: No
  • State: NH
  • Street Designation: Street
  • Map: 117
  • Zip Code: 03801
Taxes and HOA Information
  • Condo Fees: Yes
  • Fee: $846.61
  • Fee Frequency: Monthly
  • Tax Year: 2024
  • Taxes TBD: No
Parking
  • Garage: No
  • Driveway: None
Property
Lot Information
  • Block: 17
  • Common Land Acres: 0.11
  • Lot: K
  • Lot Features: Condo Development, Level, Sidewalks, In Town, Near Shopping, Near Public Transportatn
Property and Assessments
  • Property Class: Residential
  • Property Type: Condo
  • Construction Status: Existing
  • Flood Zone: No
  • PreConstruction: No
  • Resort: No
  • Surveyed: Unknown
  • Year Built: 1860
Utilities
  • Electric: Circuit Breaker(s)
  • Sewer: Public
  • Water Source: Public
  • Utilities: Gas On-Site, Telephone Available
  • Internet: High Speed Intrnt at Site
Interior and Exterior Features
Exterior Features
  • Association Amenities: Elevator(s)
  • Construction Materials: Brick Exterior
  • Roof: Membrane
Interior Features
  • Appliances: Dishwasher, Range Hood, Freezer, Gas Range, Refrigerator, Exhaust Fan
  • Basement: Yes
  • Basement Access Type: Interior
  • Basement Description: No Tenant Access
  • Flooring: Carpet, Laminate
  • Heating: Natural Gas
  • Cooling: Central AC
  • Total Stories: 1
Multi Family
Multi-Family Information
  • Units Per Building: 18

Property History for 20 Ladd Street, Unit K

DateEvent & SourcePriceAppreciation
Oct 2, 2025

Listed (Active)

New England Real Estate Network #5064019

$2,300,000—
DateEvent & SourcePrice
10/02/2025

Listed (Active)

New England Real Estate Network #5064019

$2,300,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 20 Ladd Street, Unit K

Taxable ValueLand-Additions$1,503,700Total-
Tax Record2024$16,811 ($1,401 / month)
Home Facts
Baths1.5Total Finished SqFt4,627 SqFtAbove Grade Finished SqFt4,627 SqFtStories1StyleCondominium OfficesYear Built1860ZoningCD5CountyROCKINGHAMAPNPRSM M:0117 B:0017 L:K

Schools near 20 Ladd Street, Unit K

This home is within Portsmouth School District.
Rating
School
Type
Grades
Distance
Little Harbour School
Public - K to 5
Portsmouth Middle School
Public - 6 to 8
Portsmouth High School
Public - 9 to 13
St Patrick School
Private - PK to 8
Rating
School
Distance
Little Harbour School
PublicK to 5

Portsmouth Middle School
Public6 to 8

Portsmouth High School
Public9 to 13

St Patrick School
PrivatePK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 20 Ladd Street, Unit K, Portsmouth, NH 03801

20 Ladd Street, Unit K is a condo for sale in Portsmouth, NH 03801. This property was listed for sale on October 2, 2025 by KW Coastal and Lakes & Mountains Realty, it's currently listed at $2,300,000. This listing's school district is Portsmouth School District. Nearby schools include Little Harbour School, Portsmouth Middle School and Portsmouth High School. 20 Ladd Street, Unit K is a 0-bed, 3-bath, 4,627 sqft condo built in 1860.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of KW Coastal and Lakes & Mountains Realty

Copyright 2025 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site 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 12/13/2025 10:11 AM