Michelle Leigh Seales
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Single Family Residence at 340 Old Mill Lane, Portsmouth
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$780,000

340 Old Mill Lane
Portsmouth, RI 02871
Listed by Newport Living Group
Bedrooms
3
Bathrooms
2
Living area
1,920 sqft
Year built
1960

About this home

Portsmouth living just minutes from the beach! Positioned perfectly near local shorelines and easy Newport routes, this light-filled 3-bedroom, 2-bathroom Ranch offers generous living space and as you step inside to an open-concept main level featuring a fully equipped eat-in kitchen and seamless living area, including a serene primary suite. The fully finished walkout lower level doubles your living space, complete with a sprawling family room, two bonus rooms (perfect for a home office, gym, or guest space), dedicated laundry, and even a custom built-in dog house under the stairs for your furry friends! Outdoors, enjoy effortless coastal living on your private patio, ideal for weekend BBQs, and rinse off after a day at the beach in your private outdoor shower. Complete with a detached garage, strong rental history, and a brand-new septic system, this coastal retreat is ready to serve as your ideal primary home, weekend getaway, or turnkey investment property.

Highlights

Fireplace

Property details

MLS #
1422588
Property type
Single Family Residence
Subdivision
Old Mill/India Ave
Status
Active
Days on market
4
On market date
September 11, 2026
Stories
N/A
Total bathrooms
2
Garage spaces
1
Parking spaces
5
Lot size
0.21 acres

Location

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Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Gaudet Learning Academy
2.32 mi away · Grades 4-5
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
317
Student:teacher ratio
13.2:1
District
Middletown
Middle
Gaudet Middle School
2.32 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
463
Student:teacher ratio
11.3:1
District
Middletown
High
Middletown High School
2.69 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
620
Student:teacher ratio
11.9:1
District
Middletown

Walkability

Blended score for Portsmouth's center: EPA's National Walkability Index (street network, transit, land-use mix) combined with nearby-amenity density. 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

18
Very car-dependent
out of 100
EPA National Walkability Index
5.3 / 20 -- Least walkable
Nearby-amenity density
5 / 100
Restaurants & cafes0
Grocery stores0
Parks1
Schools0
Transit stops0
Pharmacies0

Market position

How this listing compares to current activity in Portsmouth, from live MLS data.

On the market 4 days -- 70 fewer days than Portsmouth's current average of 74 days.
For reference, the median list price across 238 active listings in Portsmouth right now is $699,450.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$4,847/mo
$156,000 down
$624,000 loan
Principal & interest$4,047
Property tax (est.)$650
Home insurance (est.)$150

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Data source: Listing information provided by Rhode Island Association of REALTORS via Trestle/CoreLogic. Last updated 10 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.