Welcome to South End living at its finest—where timeless character meets modern luxury. Just steps from nearby parks and the vibrant downtown scene of sidewalk cafés, boutique shopping, and live theatre, the residence was completely reimagined in 2023. Thoughtfully expanded and gutted to the studs, it blends historic charm—like the original staircase, 5-panel doors, and a welcoming covered porch—with upscale design and today’s finest finishes. Set on 1.16 acres in the sought-after Little Harbor School district, the home offers a rare blend of privacy and walkability. A footpath to the school, a 2-car under garage with EV chargers, detached garage, and oversized drive ensure plenty of parking—even for friends eager to stroll downtown. A large deck overlooks the backyard and provides the perfect venue for outdoor entertaining. Inside, the side entrance leads to a well-organized mudroom. The sunlit open- concept kitchen, living, and dining areas are the heart of the home, complemented by an oversized pantry, cozy den, home office, and ¾ bath. Upstairs offers two bedrooms with shared bath, a stunning primary suite with soaking tub and designer tile, plus a dedicated laundry room. A walk-out lower level adds bonus space for a gym, storage, and garage access. This is more than a home—it’s a lifestyle.
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Listed by: EXP Realty • Barbara Dunkle
Bought with: The Aland Realty Group
$3,125,000
28 New Castle Avenue, Portsmouth, NH 03801
3beds
3,580sqft
Single Family Residence
Built in 1913
1.16 Acres Lot
$3,184,700 Zestimate®
$873/sqft
$5,805 Estimated rent
Home value
$3,184,700
$2.96M - $3.41M
$5,805/mo
Zestimate® history
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Garage accessStunning primary suiteWelcoming covered porchHome officeLarge deckLiving and dining areasDedicated laundry room
Zillow last checked:
Listing updated:
Listed by:
Barbara Dunkle,
EXP Realty Cell:603-498-7927
Bought with:
Liz Levey-Pruyn
The Aland Realty Group
Source: PrimeMLS,MLS#: 5046581
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 2
- 3/4 bathrooms: 1
Heating
- Forced Air, Hot Air, Radiant
Cooling
- Central Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Range Hood, Microwave, Wall Oven, Refrigerator, Washer, Electric Water Heater, Other Water Heater, Induction Cooktop, Wine Cooler
- Laundry: 2nd Floor Laundry
Features
- Ceiling Fan(s), Kitchen Island, Primary BR w/ BA, Walk-In Closet(s), Walk-in Pantry
- Flooring: Carpet, Hardwood, Slate/Stone, Tile, Wood
- Basement: Partially Finished,Interior Access,Walk-Up Access
- Attic: Walk-up
- Has fireplace: Yes
- Fireplace features: Gas
Interior area
- Total structure area: 4,380
- Total interior livable area: 3,580 sqft
- Finished area above ground: 3,180
- Finished area below ground: 400
Property
Parking
- Total spaces: 2
- Parking features: Paved, Auto Open, Driveway, Garage, Electric Vehicle Charging Station(s)
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Levels: Two
- Stories: 2
- Patio & porch: Covered Porch
- Exterior features: Deck, Shed
- Frontage length: Road frontage: 96
Lot
- Size: 1.16 Acres
- Features: Landscaped, Level, Wooded, Near School(s)
Details
- Parcel number: PRSMM0101B0034L
- Zoning description: Residential
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Craftsman
- Property subtype: Single Family Residence
Materials
- Cedar Exterior, Clapboard Exterior, Shingle Siding, Wood Exterior
- Foundation: Concrete, Stone
- Roof: Architectural Shingle
Condition
- New construction: No
- Year built: 1913
Utilities & green energy
- Electric: Circuit Breakers
- Sewer: Public Sewer
- Utilities for property: Gas On-Site
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Hardwired Smoke Detector
Location
- Region: Portsmouth
Financial & listing details
- Price per square foot: $873/sqft
- Tax assessed value: $2,550,400
- Annual tax amount: $28,512
- Date on market: 6/14/2025
- Road surface type: Paved
Price history
| Date | Event | Price |
|---|---|---|
| 7/15/2025 | Sold | $3,125,000+0.8%$873/sqft |
Source:  PrimeMLS #5046581 Report a problem | ||
| 6/22/2025 | Contingent | $3,100,000$866/sqft |
Source: PrimeMLS #5046581 Report a problem | ||
| 6/14/2025 | Listed for sale | $3,100,000+138.5%$866/sqft |
Source: PrimeMLS #5046581 Report a problem | ||
| 10/31/2022 | Sold | $1,300,000-23.5%$363/sqft |
Source: PrimeMLS #4929515 Report a problem | ||
| 9/14/2022 | Listed for sale | $1,699,000$475/sqft |
Source: PrimeMLS #4929515 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $28,513 +135.1% | $2,550,400 +239.2% |
| 2023 | $12,127 -7.1% | $751,800 -12.4% |
| 2022 | $13,052 +3.4% | $858,700 |
| 2020 | $12,623 -1.1% | $858,700 |
| 2019 | $12,760 +13.8% | $858,700 +21.4% |
| 2018 | $11,208 +3% | $707,600 |
| 2017 | $10,883 +3.9% | $707,600 +15.1% |
| 2016 | $10,476 +1.5% | $614,800 |
| 2015 | $10,322 -0.1% | $614,800 +7.7% |
| 2014 | $10,335 +3.6% | $571,000 +0.5% |
| 2012 | $9,974 +1.6% | $568,300 |
| 2011 | $9,815 -0.8% | $568,300 |
| 2010 | $9,894 | $568,300 |
Find assessor info on the county website
Neighborhood: 03801
Nearby homes
- $1,214,8004 bd3 ba2.2k sqft220 South St, Portsmouth, NH 03801Off Market
- $1,584,2004 bd2 ba1.7k sqft10 New Castle Ave, Portsmouth, NH 03801Off Market
- $985,0004 bd2 ba1.6k sqft210 South St, Portsmouth, NH 03801Sold
- $1,435,5003 bd3 ba2.3k sqft39 New Castle Ave, Portsmouth, NH 03801Off Market
- $1,246,5004 bd2 ba1.8k sqft196 South St, Portsmouth, NH 03801Off Market
- $2,250,2003 bd2 ba1.4k sqft50 New Castle Ave, Portsmouth, NH 03801Off Market
- $1,215,3004 bd2 ba2.9k sqft232 South St, Portsmouth, NH 03801Off Market
- $1,040,700-- bd-- ba2.3k sqft232 South St #234, Portsmouth, NH 03801Off Market
Nearby schools
GreatSchools rating
- 10/10Little Harbour SchoolGrades: K-5Distance: 0.2 mi
- 8/10Portsmouth Middle SchoolGrades: 6-8Distance: 0.5 mi
- 10/10Portsmouth High SchoolGrades: 9-12Distance: 1.1 mi
Schools provided by the listing agent
- Elementary: Little Harbor School
- Middle: Portsmouth Middle School
- High: Portsmouth High School
- District: Portsmouth
Source: PrimeMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$3,184,700
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Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$3,184,700
- New Hampshire
- Rockingham County
- Portsmouth
- 03801
- 28 New Castle Avenue
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