Investment Opportunity: Turn-of-the-Century Waterfront Two-Family Home with ADU.Seize this rare chance to own a turn-of-the-century, formally crafted waterfront gem at 18 Elm St, Northfield, NH. Originally a single-family home, this 3,467-square-foot property was thoughtfully converted into a two-family residence with a newly permitted ADU on the third floor. The potential layout consists of: Unit 1 (1st Floor): Two large bedrooms, formal living room, a kitchen, full bath, and private porch.Unit 2 (2nd & 3rd Floors): Up to four bedrooms, a porch, and ADU for added flexibility. Additional Features: Walk-out basement, new roof, and reframed 3rd floor post-2022 fire. Investment Highlights: Estimated Rents: $2,000–$2,700/month per 3-bedroom unit, plus $1,200–$2,000 for the ADU, yielding $5,200–$7,400/month total. Construction Costs: $57,400–$85,300 to complete (plumbing, electrical, insulation, sheetrock, carpentry) ROI Potential: Annual rental income of $62,400–$88,800 against costs of $57,400–$85,300 offers a 5–7 year payback, with 24–35% property value increase post-ADU completion. Prime Location: Waterfront setting enhances desirability and rental demand. Act now to transform this historic property into a high-yield investment!
Closed
Listed by:
Suzanne Damon,
EXP Realty Cell:603-493-5561
$200,000
18 Elm Street, Northfield, NH 03276
--beds
--baths
--sqft
Multi Family
Built in 1901
-- sqft lot
$200,100 Zestimate®
$--/sqft
$2,284 Estimated rent
Owner options
What's special
Zillow last checked: 7 hours ago
Listing updated: September 19, 2025 at 08:50am
Listed by:
Suzanne Damon,
EXP Realty Cell:603-493-5561
Bought with:
Suzanne Damon
EXP Realty
Source: PrimeMLS,MLS#: 5057314

Facts & features
Interior
Heating
- Oil
Cooling
- None
Features
- Basement: Unfinished,Walkout,Walk-Out Access
Interior area
- Total structure area: 0
- Finished area above ground: 0
- Finished area below ground: 0
Property
Parking
- Parking features: Gravel
Features
- Levels: 3,Tri-Level
- Has view: Yes
- View description: Water
- Water view: Water
- Waterfront features: Waterfront
- Frontage length: Road frontage: 108
Lot
- Size: 0.35 Acres
Details
- Parcel number: NRTFM00U07L000041S000000
- Zoning description: R2MFSM
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family
Materials
- Wood Frame
- Foundation: Concrete, Granite
- Roof: Asphalt Shingle
Condition
- New construction: No
- Year built: 1901
Utilities & green energy
- Electric: 200+ Amp Service
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable
Community & neighborhood
Location
- Region: Northfield