4-Unit
New
For Sale
$400,000
601 Main Avenue, Twin Falls, ID 83301
Residential Income, Twin Falls, ID
Property Size1,633 SF
Lot Size0.14 Acres
Price / SF$244.95
Days on Market1
Property Features for 601 Main Avenue
General Information
Property type
Residential Multi Family
Property subtype
Quadruplex
Zoning description
General Zoning: Other, Specific Zoning: Not Verified
Bedrooms
4
Bathrooms
4
Full bathrooms
4
Rooms
Bedroom 3, Bedroom 4, Bathroom 3, Basement, Bathroom 1, Bathroom 4, Bedroom 1, Bedroom 2, Bathroom 2
Parking
1
Basement
Partially Finished
Accessibility
Accessible Approach with Ramp
Lot features
Established Lawn, Corner Lot
Elementary school
Lincoln Elementary
Middle school
Robert Stuart 411
High school
Canyon Ridge High School
Directions
Heading west on Addison, L on Castleford, R on Main
Standard status
Active
APN
RPT00010970080
Size
1,633 SF
Lot size
0.14 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
SEC/TWN/RNG/MER:SEC 16 TWN 10 RNG 17 TWIN FALLS TOWNSITE FINAL & AMD LOT 8 BLOCK 97 (16-10-17)
Tax Annual Amount
1747
Legal Description
SEC/TWN/RNG/MER:SEC 16 TWN 10 RNG 17 TWIN FALLS TOWNSITE FINAL & AMD LOT 8 BLOCK 97 (16-10-17)
Utilities
Sewer type
Public Sewer
Heating system
Forced Air, Natural Gas
Water source
Public
Building Details
Year built
1918
Number of units
4
Building materials
Frame, Shake Siding
Buildings
1
Listing Agency:
Idaho Falls Real Estate Investment
Listed By:
Victor Sutherland · License #2112
(208) 421-1191
Added: Nov 5
Last Checked: Nov 5 at 12:06PM
MLS# 2190182
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.
Built in 1918, this 1,633-square-foot quadplex contains four apartments: two one-bedroom units, one two-bedroom unit, and a studio. The studio is on the lower level and has separate access from the rear. The building has frame construction with shake siding and a ramp-accessible approach.
The property occupies a 0.14-acre lot and is served by public water and public sewer. Heating is provided by a forced-air system using natural gas.
The property occupies a 0.14-acre lot and is served by public water and public sewer. Heating is provided by a forced-air system using natural gas.
Key Highlights
- Four apartments: two one‑bedroom units, one two‑bedroom unit, and one studio
- 1,633 square feet of building area
- Studio is on the lower level with rear access
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$15,065
Cap Rate
3.77%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$301,300
$301.3K
Cap Rate 7%
$215,214
$215.2K
Cap Rate 9%
$167,389
$167.4K
Market Conditions
NOI Build-Up for 1,633 SF
Gross rent
$22.5K $13.80/SF
− Vacancy
−$1.0K −$0.62/SF
EGI
$21.5K $13.18/SF
− OpEx
−$6.5K −$3.95/SF
NOI
$15.1K $9.23/SF
Area
Twin Falls County, ID
Vacancy
4.50%
Lease Rate
$13.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$301,300
Cap Rate 7%
$215,214
Cap Rate 9%
$167,389
Alternative Uses
Best Use
Multifamily LT 5
$215.2K
$188.3K – $251.1K
NOI $15,065 @ 7.0% cap · market cap 3.77%
Second Best
Apartment 5plus
$193.6K
$169.4K – $225.9K
NOI $13,554 @ 7.0% cap · market cap 3.39%
Theoretical Best
Specialty Retail
$374.6K
$327.8K – $437.1K
NOI $26,223 @ 7.0% cap · market cap 6.56%
Zoning and permitted uses should be independently verified with authorities.
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Lease Details
4
Residential units
Location Intelligence
Trade Area within ½ mile
1,163
Businesses Nearby
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Business Placement
Demographics for 83301, ID
60,789
Population
24,466
Households
2.5
Avg Household Size
35
Median Age
24%
College-Educated
90%
High-School Grad
295.7 sq mi
ZIP Area
206
Density / Sq Mi
$62,388
Median Household Income
$36,276
Median Earnings
$1,011
Median Rent
$290,600
Median Home Value
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Market
Vacancy Rate% for Multifamily in West region
Frequently Asked Questions
What type of property is this?
Quadplex - The unit mix combines a studio, two one-bedroom apartments, and one two-bedroom residence.
Where is this quadplex located?
The property is located at 601 Main Avenue Twin Falls, ID.
What is the asking price?
The asking price for this property is $400,000.
What are key features of this property?
This property features: Four apartments: two one‑bedroom units, one two‑bedroom unit, and one studio; 1,633 square feet of building area; Studio is on the lower level with rear access
