Three-Unit Residential Income
For Sale
$929,000
330 Knox Marsh Road, Madbury, NH 03823
Three separate units with private entrances, full kitchens, and separate utilities, plus three garage bays and a heated detached cabin.
Property Size3,790 SF
Price / SF$245.12
Days on Market12
Property Features for 330 Knox Marsh Road
General Information
Standard status
Active
Size
3,790 SF
Property subtype
Multi Family Home
Building Details
Year Built
1880
Listing Agency:
Kw Coastal And Lakes & Mountains Realty
(603) 610-8500
Listed By:
Tanya Cattabriga
Source:
Threehillsres
Added: Jul 21
Changed: Jul 22
Last Checked: Aug 1 at 12:06PM
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Kw Coastal And Lakes & Mountains Realty
Investment Insights
Based on property information with market context.
This exceptional three-unit residential income property offers three separate living units with a total of five bedrooms and three and a half bathrooms. Each unit includes its own full kitchen, private entrance, and separate utilities, supporting straightforward management for both investors and owner-occupants. The property also features three garage bays and a detached 320-square-foot heated cabin with heat and electricity.
Set in Madbury, NH, the home is located directly across from Kingman Farm’s 335 acres of conservation land with walking trails. The remarks also note a rural setting while remaining just minutes to UNH and major commuter routes, with proximity to downtown Dover and Portsmouth.
Additional on-site amenities mentioned include two pellet stoves and an on-demand generator. The property includes two large fenced pastures that may accommodate hobby farming or livestock such as horses, goats, sheep, or chickens, depending on use and approvals.
Set in Madbury, NH, the home is located directly across from Kingman Farm’s 335 acres of conservation land with walking trails. The remarks also note a rural setting while remaining just minutes to UNH and major commuter routes, with proximity to downtown Dover and Portsmouth.
Additional on-site amenities mentioned include two pellet stoves and an on-demand generator. The property includes two large fenced pastures that may accommodate hobby farming or livestock such as horses, goats, sheep, or chickens, depending on use and approvals.
Key Highlights
- 1880‑built three‑unit multi‑family with 5 bedrooms and 3.5 bathrooms total
- Three separate units with private entrances, full kitchens, and separate utilities
- Includes three garage bays and a detached 320 SF heated cabin with heat and electricity
Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $56.9k | $15.00 |
| − Vacancy | −$1.9k | −$0.50 |
| EGI | $55.0k | $14.50 |
| − OpEx | −$16.5k | −$4.35 |
| NOI | $38.5k | $10.15 |
3,790 SF · lease $15.00/SF/yr · vacancy 3.32% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$549.6K
$480.9K – $641.2K
NOI $38,474 @ 7.0% cap · market cap 4.14%
Second Best
Apartment 5plus
$506.9K
$443.6K – $591.4K
NOI $35,484 @ 7.0% cap · market cap 3.82%
Theoretical Best
Office A
$1.01M
$887.2K – $1.18M
NOI $70,976 @ 7.0% cap · market cap 7.64%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Current Use
Location Intelligence
Trade Area within ½ mile
76
Businesses Nearby
Explore this area
Business Placement
Demographics for 03823, NH
1,928
Population
751
Households
2.6
Avg Household Size
42
Median Age
55%
College-Educated
97%
High-School Grad
11.6 sq mi
ZIP Area
166
Density / Sq Mi
$144,635
Median Household Income
$65,221
Median Earnings
$1,549
Median Rent
$459,300
Median Home Value
Market
Vacancy Rate% for Multifamily in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Triplex - Three separate units with private entrances, full kitchens, and separate utilities, plus three garage bays and a heated detached cabin.
Where is this triplex located?
The property is located at 330 Knox Marsh Road Madbury, NH.
What is the asking price?
The asking price for this property is $929,000.
What are key features of this property?
This property features: 1880‑built three‑unit multi‑family with 5 bedrooms and 3.5 bathrooms total; Three separate units with private entrances, full kitchens, and separate utilities; Includes three garage bays and a detached 320 SF heated cabin with heat and electricity
