Listed by EXP Realty · Dillon Badger · Phone: 603-769-9233
Residential Income · Peterborough, NH
15 Union Street, Peterborough, NH
$475,000
$495,000 · changed Oct 19, 2026
Est. $2,402/mo · 20% down, 30-yr, 6.5% (Owl’s Nest Real Estate estimate, not MLS data)
- Sq Ft
- 1,815
- Built
- 1865
- MLS®
- #5110751
Property Description
15 Union Street, Peterborough is a multi-family income property for sale in New Hampshire at $475,000. The property offers 1,815 square feet of living space. Income properties in this market benefit from steady year-round tenant demand plus the seasonal visitor economy. The numbers worth knowing: a 0.21-acre lot, 1865 construction and roughly $262 per square foot. Scroll on for current photos, the complete spec sheet and this Peterborough listing's market context.
Updated two-unit property located close to downtown Peterborough. Unit A, on the first floor, offers 2 bedrooms plus a bonus room that could serve as an office, dining room, or additional living space. Unit B offers 2 bedrooms and 1 bath. Both units feature renovated kitchens and bathrooms, updated flooring and paint, and washer/dryer hookups. Significant improvements completed in 2025–2026 include a new roof, 22 replacement windows, plumbing updates, exterior painting, and a fully updated 400-amp electrical service with separate panels for Unit A, Unit B, and house/common areas so plenty of availability to add Mini-splits if desired. Primary heat is electric with a shared oil furnace retained for backup. Off-street parking. The property retains the character and some of the quirks of an 1800s home while benefiting from substantial recent updates. Seller is a licensed real estate agent.
Location Highlights
15 Union Street is a residential income in Peterborough, New Hampshire, listed at $475,000. That works out to about $262 per square foot, for a home built in 1865. It has been on the market for 6 weeks.
At this latitude, Peterborough averages roughly 8.3 hours of sun a day in June and 3.6 in December.
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
- 1,815
- Price / SqFt
- $261.71
- Property Type
- Residential Income
- Year Built
- 1865
- County
- NH-Hillsborough
- Town
- Peterborough, NH
- Status
- Active
- Days on Market
- 42
Primary Features
- County
- NH-Hillsborough
- Property Type
- Residential Income
- Year Built
- 1865
- Zoning
- GR — General Residence
Interior Features
- Appliances
- Electric Water Heater
- Basement
- Yes
- Basement Access Type
- Interior
- Basement Description
- Crawl Space, Gravel, Partial, Interior Entry
- Cooling
- None
- Electric
- 200+ Amp Service
- Heating
- Electric, Forced Air
- SqFt-Approximate Finished Above Grade
- 1,815
- SqFt-Approximate Finished Below Grade
- 0
- SqFt Approximate Total Finished
- 1,815
- SqFt Approximate Total
- 2,085
Financial Details
- Tax - Gross Amount
- $7,265.99
- Tax Year
- 2025
- Taxes TBD
- No
Additional
- Construction Status
- Existing
- Construction
- Clapboard Exterior, Wood Frame
- Covenants
- No
- Flood Zone
- No
- Pre-Construction
- No
- Seasonal
- No
- Total Stories
- Two
- Surveyed
- No
External Features
- Driveway
- Gravel, Paved
- Foundation
- Fieldstone
- Garage
- No
- Lot Features
- Sidewalks, In Town, Near Shopping, Near School(s)
- Lot - Acres
- 0.21
- Lot - SqFt
- 9,148
- Road Frontage Type
- Paved, Public
- Road Frontage
- Yes
- Road Frontage Length
- 88
- Roof
- Asphalt Shingle
- Sewer
- Public
- Utilities
- Cable Available
- Water Source
- Public
MLS®: PrimeMLS #5110751; Listed by EXP Realty · Dillon Badger · Phone: 603-769-9233
Property History
Estimated annual taxes for this property
- 2024
- $8,075
- 2023
- $7,873
- 2022
- $7,671
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 Peterborough
- 40
- Average list price
- $591,118
- Price range
- $309,900 – $1,590,000
Mortgage Calculator
Estimate your monthly payment for this home
Estimated Monthly Payment
$3,174/ mo
- Principal & Interest
- $2,402
- Property Tax
- $673
- Home Insurance
- $99
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 15 Union Street, Peterborough, NH
Source: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Questions About This Listing
How big is 15 Union Street?
15 Union Street in Peterborough, NH has 1,815 square feet of finished living space.
What is the asking price of 15 Union Street?
15 Union Street in Peterborough, NH is listed for $475,000 on PrimeMLS.
That is about $262 per square foot of finished living space.
It came on the market on September 21, 2026.
How much are the property taxes on 15 Union Street?
Annual property taxes on 15 Union Street in Peterborough, NH are $7,265 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 Peterborough assessing office.
How is 15 Union Street heated?
15 Union Street in Peterborough, NH is heated by electric and forced air, per the MLS.
The MLS lists no cooling system.
Does 15 Union Street have town water and sewer?
15 Union Street in Peterborough, NH has public water and public sewer, per the MLS.
MLS details — water: public; sewer: public.
Electric: 200+ amp service.
Other utilities: cable available.
Is there a basement at 15 Union Street?
Yes. 15 Union Street in Peterborough, NH has a basement with interior access.
The MLS describes it as crawl space, gravel, partial and interior entry.
What features does 15 Union Street have?
The MLS lists these appliances at 15 Union Street in Peterborough, NH: electric water heater; confirm which ones convey in the purchase agreement.
Does 15 Union Street have a garage?
The MLS lists no garage at 15 Union Street in Peterborough, NH; parking is off a gravel and paved driveway.
Is 15 Union Street still available?
Yes. 15 Union Street in Peterborough, NH is listed as Active on PrimeMLS (MLS #5110751).
Status can change quickly; contact us to confirm availability before you visit.
Who is the listing agent for 15 Union Street?
15 Union Street in Peterborough, NH is listed by Dillon Badger of EXP Realty (888-398-7062).
Owl's Nest Real Estate shows it through the PrimeMLS IDX feed; we are not the listing brokerage.
What kind of property is 15 Union Street?
15 Union Street in Peterborough, NH is a multi-family income property built in 1865.
The MLS lists its style as Duplex, Multi-Family, New Englander, with two stories.
Where is 15 Union Street located?
15 Union Street is in Peterborough, New Hampshire 03458, in Hillsborough County.
Location notes from the MLS: sidewalks, in town, near shopping and near school(s).
How much land comes with 15 Union Street?
15 Union Street in Peterborough, NH sits on 0.21 acres, per the MLS.
It has 88 feet of road frontage (paved and public).
Zoning: GR — General Residence.
The MLS lists it as outside a flood zone.
How do I schedule a showing of 15 Union Street?
To see 15 Union Street in Peterborough, 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.