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Tenant-Occupied Duplex
For Sale
$299,000

845 12th Street, Idaho Falls, ID 83404

Residential Income, Idaho Falls, ID

Property Size2,256 SF
Lot Size0.13 Acres
Price / SF$132.54
Days on Market99

Property Features for 845 12th Street

General Information

Property type Residential Multi Family
Property subtype Duplex
Zoning description General Zoning: Res-Single Family, Specific Zoning: Bonneville-R1-Residential
Bedrooms 5
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 2, Basement, Bedroom 1, Bedroom 3, Bedroom 5, Bathroom 1, Bedroom 4, Bathroom 2
Basement Full
Appliances Refrigerator
Subdivision Scotts Addition-Bon
Lot features Established Lawn, Many Trees
Elementary school Linden Park 91EL
Middle school Taylor View 91JH
High school Idaho Falls 91HS
Directions North from 17th St. and Holmes, East or right on 12th St. to property. https://maps.app.goo.gl/upqZB5rnd19HXABU9
Standard status Active
APN RPA2140012015O
Size 2,256 SF
Lot size 0.13 Acres

Taxes and HOA fees

Tax Year 2025
Tax Description Lot 15, Block 12, Scotts Addition
Tax Annual Amount 2876
Legal Description Lot 15, Block 12, Scotts Addition

Utilities

Sewer type Public Sewer
Heating system Electric (Heating)
Water source Public

Amenities

laundry room

Building Details

Year built 1955
Number of units 2
Flooring type Carpet, Carpet - Full
Building materials Brick
Roof type Tar/Gravel
Listing Agency: eXp Realty LLC
Listed By: Grider Peterson Real Estate Team
Added: Jul 13 Changed: Oct 9 Last Checked: Oct 19 at 8:06PM
MLS# 2187498

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 1955 brick duplex at 845 12th Street in Idaho Falls contains 2,256 square feet across two residential units. One unit includes 2 bedrooms and 1 bathroom, while the other provides 3 bedrooms and 1 bathroom. Each unit has a laundry room, and both are currently occupied by tenants.

The property sits on a 0.13-acre lot and is served by public water and public sewer. Building features include electric heating, carpet flooring, a tar/gravel roof, and refrigerator appliances. The unit configuration provides a mix of two- and three-bedroom layouts within a single multifamily property.

Key Highlights

  • 2,256‑square‑foot duplex with two residential units
  • Unit mix includes one 2‑bedroom, 1‑bathroom unit and one 3‑bedroom, 1‑bathroom unit
  • Both units are currently occupied by tenants

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$19,003
Cap Rate
6.36%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$380,060 $380.1K
Cap Rate 7%
$271,471 $271.5K
Cap Rate 9%
$211,144 $211.1K
Market Conditions
NOI Build-Up for 2,256 SF
Gross rent
$28.4K $12.60/SF
− Vacancy
−$1.3K −$0.57/SF
EGI
$27.1K $12.03/SF
− OpEx
−$8.1K −$3.61/SF
NOI
$19.0K $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%
$380,060
Cap Rate 7%
$271,471
Cap Rate 9%
$211,144

Alternative Uses

Best Use
Multifamily LT 5
$271.5K
$237.5K – $316.7K (±1% cap)
NOI $19,003 @ 7.0% cap · market cap 6.36%
Second Best
Apartment 5plus
$245.6K
$214.9K – $286.5K (±1% cap)
NOI $17,189 @ 7.0% cap · market cap 5.75%
Theoretical Best
Office A
$498.4K
$436.1K – $581.5K (±1% cap)
NOI $34,890 @ 7.0% cap · market cap 11.67%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units
100%
Occupancy
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

594
Businesses Nearby

Demographics for 83404, ID

25,491
Population
9,606
Households
2.7
Avg Household Size
37
Median Age
35%
College-Educated
92%
High-School Grad
25.0 sq mi
ZIP Area
1,020
Density / Sq Mi
$79,211
Median Household Income
$36,802
Median Earnings
$1,013
Median Rent
$355,200
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer distinct bedroom and bathroom layouts with laundry rooms and current tenant occupancy.
Where is this duplex located?
The property is located at 845 12th Street Idaho Falls, ID.
What is the asking price?
The asking price for this property is $299,000.
What are key features of this property?
This property features: 2,256‑square‑foot duplex with two residential units; Unit mix includes one 2‑bedroom, 1‑bathroom unit and one 3‑bedroom, 1‑bathroom unit; Both units are currently occupied by tenants
More about this property
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