Listed by Keller Williams Realty Metro-Londonderry · Doug Martin · 603-232-8282
Residential Income · Sandown, NH
343 Main Street, Sandown, NH
$995,000
$1,200,000 · changed Jun 21, 2026
Est. $5,031/mo · 20% down, 30-yr, 6.5% (Owl’s Nest Real Estate estimate, not MLS data)
- Sq Ft
- 5,392
- Built
- 1986
- MLS®
- #5087806
Property Description
Buyers searching Sandown, New Hampshire will want a look at 343 Main Street — a multi-family income property asking $995,000. It features 5,392 square feet of living space. Income properties in this market benefit from steady year-round tenant demand plus the seasonal visitor economy. Also on the sheet: a 1-acre lot, garage parking for 2 and 1986 construction. Everything below — photos, details, schools and market data — updates live from the MLS.
Fully Entitled 6-Unit Multi-Family | Value-Add | Ready for Rehab Rare opportunity to acquire a pre-approved 6-unit multi-family asset with moderate rehab and strong upside. The unit mix includes one 2-bedroom/1.5 bath, two 2-bedroom/1-bath units, two 1-bedroom/1-bath units, and one large studio, all positioned to achieve full market-rate rents upon completion. Originally built in 1986 as a mixed-use retail and residential property, the asset’s highest and best use has evolved into a fully residential income-producing investment. The property is well-positioned for a streamlined development process, with full architectural plans in place, including demolition and construction schedules, and all town approvals secured—ready for immediate permit pull. A local builder has already provided a rehab estimate and is prepared to begin work. Additional value can be realized through a large unfinished basement and a two-car garage, offering potential for storage or supplemental rental income. The site also provides ample on-site parking to support tenant demand. Situated in the heart of the village within walking distance to Triple Elm Coffee shop, Bruchetti’s Pizza, A and M Sandown Market, Rockingham Rail Trail, Post Office, Library, Town Beach, the historic Sandown Train Depot and the Sandown Meeting House.
Location Highlights
343 Main Street is a residential income in Sandown, New Hampshire, listed at $995,000. That works out to about $185 per square foot, for a home built in 1986. It has been on the market for 6 months.
At this latitude, Sandown averages roughly 8.3 hours of sun a day in June and 3.6 in December.
Zoned schools: Sandown Central School (Elementary), Timberlane Regional Middle (Middle), Timberlane Regional High Sch (High). Always confirm zoning with the district office.
Source: zoned school names are PrimeMLS listing data; distances, sun exposure and school facts are Owl’s Nest Real Estate additions (school facts from the NCES, U.S. Department of Education) — not PrimeMLS data.
Property Details
Essentials & finishes
- SqFt
- 5,392
- Price / SqFt
- $184.53
- Property Type
- Residential Income
- Year Built
- 1986
- County
- NH-Rockingham
- Town
- Sandown, NH
- Status
- Active
- Days on Market
- 165
Primary Features
- County
- NH-Rockingham
- Property Type
- Residential Income
- Year Built
- 1986
- Zoning
- B1
Interior Features
- Basement
- Yes
- Basement Access Type
- Walkout
- Basement Description
- Concrete Floor
- Cooling
- Central Air
- Electric
- Circuit Breakers
- Heating
- Oil, Hot Water
- SqFt-Approximate Finished Above Grade
- 5,392
- SqFt-Approximate Finished Below Grade
- 576
- SqFt Approximate Total Finished
- 5,968
- SqFt Approximate Total
- 7,192
Location Information
- School - Elementary
- Sandown Central School
- School - High
- Timberlane Regional High Sch
- School - Middle/Jr
- Timberlane Regional Middle
Financial Details
- Tax - Gross Amount
- $10,746
- Tax Year
- 2025
- Taxes TBD
- No
Additional
- Construction Status
- Existing
- Construction
- Wood Frame
- Covenants
- No
- Easements
- Yes
- Flood Zone
- Unknown
- Pre-Construction
- No
- Seasonal
- No
- Total Stories
- Two
- Surveyed
- Yes
External Features
- Driveway
- Paved
- Foundation
- Poured Concrete
- Garage
- Yes
- Garage Capacity
- 2
- Lot Features
- Level, In Town, Near Paths, Near School(s)
- Lot - Acres
- 1
- Lot - SqFt
- 43,560
- Road Frontage Type
- Paved, Public Maintained Road
- Road Frontage
- Yes
- Road Frontage Length
- 200
- Roof
- Asphalt Shingle
- Sewer
- Private, Septic Tank
- Utilities
- Cable at Site, Phone Connected
- Water Source
- Private
MLS®: PrimeMLS #5087806; Listed by Keller Williams Realty Metro-Londonderry · Doug Martin · 603-232-8282
Property History
Estimated annual taxes for this property
- 2024
- $16,915
- 2023
- $16,492
- 2022
- $16,069
Source: Owl’s Nest Real Estate estimate from the list price at New Hampshire’s average effective tax rate — not PrimeMLS or town assessor data. Verify with the town assessor.
Market Data
Live snapshot computed by Owl’s Nest Real Estate from PrimeMLS IDX active listings in this town
- Active listings in Sandown
- 28
- Average list price
- $771,018
- Price range
- $399,000 – $1,500,000
Mortgage Calculator
Estimate your monthly payment for this home
Estimated Monthly Payment
$6,648/ mo
- Principal & Interest
- $5,031
- Property Tax
- $1,410
- Home Insurance
- $207
Source: Owl’s Nest Real Estate estimate, not PrimeMLS data. 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.
Around This Property
Schools, everyday places and nearby destinations near 343 Main Street, Sandown, NH
Assigned Schools
- Elementary
- Sandown Central School
- Middle
- Timberlane Regional Middle
- High School
- Timberlane Regional High Sch
Source: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Questions About This Listing
How big is 343 Main Street?
343 Main Street in Sandown, NH has 5,392 square feet of finished living space.
Counting 576 finished square feet below grade, the MLS lists 5,968 finished square feet in total.
What is the asking price of 343 Main Street?
343 Main Street in Sandown, NH is listed for $995,000 on PrimeMLS.
That is about $185 per square foot of finished living space.
It came on the market on May 8, 2026.
How much are the property taxes on 343 Main Street?
Annual property taxes on 343 Main Street in Sandown, NH are $10,746 for the 2025 tax year, per the MLS.
New Hampshire towns set their own tax rates and revalue periodically, so confirm the current bill with the Sandown assessing office.
How is 343 Main Street heated?
343 Main Street in Sandown, NH is heated by oil and hot water, per the MLS.
Cooling: central air.
Does 343 Main Street have town water and sewer?
343 Main Street in Sandown, NH has a private septic system, per the MLS.
MLS details — water: private; sewer: private and septic tank.
Electric: circuit breakers.
Other utilities: cable at site and phone connected.
Plan a water test and septic inspection during your inspection period.
Is there a basement at 343 Main Street?
Yes. 343 Main Street in Sandown, NH has a basement with walkout access, including 576 finished square feet.
The MLS describes it as concrete floor.
Does 343 Main Street have a garage?
343 Main Street in Sandown, NH has a 2-car garage and a paved driveway.
What schools serve 343 Main Street?
The MLS lists these schools for 343 Main Street in Sandown, NH: Sandown Central School (elementary), Timberlane Regional Middle (middle) and Timberlane Regional High Sch (high).
School assignments can change; confirm with the district.
Is 343 Main Street still available?
Yes. 343 Main Street in Sandown, NH is listed as Active on PrimeMLS (MLS #5087806).
Status can change quickly; contact us to confirm availability before you visit.
Who is the listing agent for 343 Main Street?
343 Main Street in Sandown, NH is listed by Doug Martin of Keller Williams Realty Metro-Londonderry (603-232-8282).
Owl's Nest Real Estate shows it through the PrimeMLS IDX feed; we are not the listing brokerage.
What kind of property is 343 Main Street?
343 Main Street in Sandown, NH is a multi-family income property built in 1986.
The MLS lists its style as Multi-Family, with two stories.
Where is 343 Main Street located?
343 Main Street is in Sandown, New Hampshire 03873, in Rockingham County.
Location notes from the MLS: in town, near paths and near school(s).
How much land comes with 343 Main Street?
343 Main Street in Sandown, NH sits on 1 acres, per the MLS.
The lot is described as level.
It has 200 feet of road frontage (paved and public maintained road).
Zoning: B1.
The MLS says the lot has been surveyed.
The MLS notes easements; review them in the deed and title work.
How do I schedule a showing of 343 Main Street?
To see 343 Main Street in Sandown, NH, use Request a Showing on this page or call Owl's Nest Real Estate at 401-648-5308.
We can show any MLS-listed home and represent you as your buyer's agent; the listing brokerage represents the seller.
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NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.
This listing data is intended 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 11/03/26.