Renovated Duplex with Detached
For Sale
$425,000
805 K Street, Idaho Falls, ID 83402
Residential Income, Idaho Falls, ID
Property Size2,548 SF
Lot Size0.17 Acres
Price / SF$166.80
Days on Market97
Property Features for 805 K Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning description
General Zoning: Tn-Trad Neigh, Specific Zoning: Idaho Falls-Tn-Traditional Nbh
Bedrooms
5
Bathrooms
3
Full bathrooms
3
Rooms
Bedroom 2, Bedroom 3, Bathroom 2, Basement, Bedroom 5, Bedroom 4, Bathroom 1, Bedroom 1, Bathroom 3
Patio and Porch features
Deck
Interior features
Ceiling Fan(s), Newly Renovated
Fireplace
1
Basement
Full, Exterior Entry, Finished
Appliances
Common Water Heaters, Dishwasher, Microwave, Refrigerator, Oven, Stove
Subdivision
Edgewater Heights-Bon
Lot features
Interstate Exit/ Access, Low Traffic, Near Green Belt, Near Park, Established Lawn, Many Trees, Level
Elementary school
Bush 91EL
Middle school
Taylor View 91JH
High school
Skyline 91HS
Directions
Elva and Riverside. E on Elva Right on Willow, right on K Street, home on left.
Standard status
Active
APN
RPA0700004000A
Size
2,548 SF
Lot size
0.17 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
TR 1, BLOCK 4, EDGEWATER HEIGHTS SW1/4, SEC 18, T 2N, R 38
Tax Annual Amount
3828
Legal Description
TR 1, BLOCK 4, EDGEWATER HEIGHTS SW1/4, SEC 18, T 2N, R 38
Utilities
Sewer type
Public Sewer
Heating system
Natural Gas, Fireplace(s), Central, Forced Air
Cooling system
Central Air
Water source
Public
Building Details
Year built
1963
Number of units
2
Building materials
Metal Siding
Listing Agency:
Real Broker LLC
Listed By:
Josh Mitchell
(208) 841-3088
Added: Jul 25
Changed: Oct 21
Last Checked: Oct 29 at 4:06AM
MLS# 2188033
Copyright © 2026 Snake River Regional MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
This renovated duplex combines a three-bedroom, two-bath main residence with a separate-entry basement ADU containing two bedrooms and one full bath. The main level includes a living room, updated kitchen, family room with fireplace, and access to a large deck and backyard. The lower unit adds a full kitchen, family room with freestanding fireplace, and dedicated laundry. A detached shop provides a third functional component on the property.
The building contains 2,548 square feet on a 0.167-acre lot and was constructed in 1963. Central air, forced-air natural-gas heat, public water, and public sewer serve the property. It is fully leased and situated at the end of a dead-end street in Idaho Falls, less than a block from the Chukars baseball stadium and minutes from the Snake River Greenbelt and downtown.
The building contains 2,548 square feet on a 0.167-acre lot and was constructed in 1963. Central air, forced-air natural-gas heat, public water, and public sewer serve the property. It is fully leased and situated at the end of a dead-end street in Idaho Falls, less than a block from the Chukars baseball stadium and minutes from the Snake River Greenbelt and downtown.
Key Highlights
- 2,548‑square‑foot duplex on a 0.167‑acre lot
- Main residence has 3 bedrooms and 2 full baths
- Separate‑entry basement ADU includes 2 bedrooms, full kitchen, bath, and laundry
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$21,462
Cap Rate
5.05%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$429,240
$429.2K
Cap Rate 7%
$306,600
$306.6K
Cap Rate 9%
$238,467
$238.5K
Market Conditions
NOI Build-Up for 2,548 SF
Gross rent
$32.1K $12.60/SF
− Vacancy
−$1.4K −$0.57/SF
EGI
$30.7K $12.03/SF
− OpEx
−$9.2K −$3.61/SF
NOI
$21.5K $8.42/SF
Area
Bonneville County, ID
Vacancy
4.50%
Lease Rate
$12.60 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$429,240
Cap Rate 7%
$306,600
Cap Rate 9%
$238,467
Alternative Uses
Best Use
Multifamily LT 5
$306.6K
$268.3K – $357.7K
NOI $21,462 @ 7.0% cap · market cap 5.05%
Second Best
Apartment 5plus
$277.3K
$242.7K – $323.6K
NOI $19,413 @ 7.0% cap · market cap 4.57%
Theoretical Best
Office A
$562.9K
$492.6K – $656.8K
NOI $39,406 @ 7.0% cap · market cap 9.27%
Zoning and permitted uses should be independently verified with authorities.
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Property Analytics
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Lease Details
2
Residential units
100%
Occupancy
Multi-tenant
Tenancy
Yes
Paved road access
Location Intelligence
Trade Area within ½ mile
619
Businesses Nearby
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Business Placement
Demographics for 83402, ID
28,452
Population
11,983
Households
2.4
Avg Household Size
34
Median Age
31%
College-Educated
92%
High-School Grad
171.0 sq mi
ZIP Area
166
Density / Sq Mi
$72,064
Median Household Income
$35,593
Median Earnings
$904
Median Rent
$301,400
Median Home Value
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Market
Vacancy Rate% for Multifamily in West region
Frequently Asked Questions
What type of property is this?
Duplex - Fully leased property includes a separate-entry basement ADU, deck, and two residential living areas.
Where is this duplex located?
The property is located at 805 K Street Idaho Falls, ID.
What is the asking price?
The asking price for this property is $425,000.
What are key features of this property?
This property features: 2,548‑square‑foot duplex on a 0.167‑acre lot; Main residence has 3 bedrooms and 2 full baths; Separate‑entry basement ADU includes 2 bedrooms, full kitchen, bath, and laundry
