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    Classic Multi-Unit Investment Property Title is generated by Realmo AI

    251 11th Street, Idaho Falls, ID 83403

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    For Sale
    $265,000

    MULTI_FAMILY - Idaho Falls, ID

    Property size:
    2,200 SF
    Lot size:
    0.21 Acres
    Price / SF:
    $120/SF
    Added:
    May 28, 2026
    Days on Market:
    1
    Last Refresh:
    May 28 at 4:06 pm

    Property Features for 251 11th Street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Bedrooms
    4
    Bathrooms
    4
    Rooms
    Bedroom 3, Basement, Bathroom 1, Bathroom 3, Bathroom 2, Bedroom 1, Bedroom 4, Bedroom 2, Bathroom 4
    Parking
    2
    Parking features
    Off Street
    Basement
    Unfinished, Full
    Appliances
    Refrigerator, Oven
    Standard status
    Active
    APN
    RPA0540038035A
    Size
    2,200 SF
    Lot size
    0.21 Acres

    Taxes and HOA fees

    Tax Year
    2025
    Tax Description
    LOTS 35-37, BLOCK 38, CROWS ADDITION
    Tax Annual Amount
    3979

    Utilities

    Sewer type
    Public Sewer
    Heating system
    Forced Air, Natural Gas
    Water source
    Public

    Building Details

    Year built
    1916
    Number of units
    4
    Building materials
    Frame, Wood Siding
    Roof type
    Metal

    We can help!

    Listing Contact
    Chris Schmalz Real Estate Group

    Listing agent Chris Schmalz Real Estate Group

    Listing office Keller Williams Realty East Idaho 3525 Merlin Drive, Idaho Falls, ID

    Listing date May 28, 2026

    MLS# 2186647 Listing URL

    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.

    HighLights

    • Excellent income potential with three of four units currently occupied.
    • Classic 1912 multi‑unit property with vintage appeal and lasting charm.
    • Practical layout with four studio apartments (two upstairs, two downstairs).
    • Unit 1 is vacant and ready for immediate showings.
    • Two‑car garage and unfinished basement provide additional storage and future possibilities.
    • Large covered front porch, mature trees, and well‑established lawn enhance curb appeal.

    Overview

    This classic multi-unit property, built in 1912, offers a blend of timeless character and income potential. The property features four studio apartments of similar size, with two units located upstairs and two downstairs. Three units are currently occupied, providing immediate rental income, while Unit 1 is vacant and ready for showings. Current tenants are on a month-to-month lease. The property showcases vintage appeal with a large covered front porch, mature trees, and a well-established lawn. A two-car garage and unfinished basement offer additional storage and future possibilities. The owner currently pays the gas utilities for the rental units. Situated on a 0.21-acre lot, the property offers a functional layout and income-producing potential. The property size is 2200 square feet. This historic investment property is located in Idaho Falls, ID 83403, Bonneville County. It presents an opportunity to expand an investment portfolio or occupy a unit while generating rental income.

    Financial Insights

    Value Estimation Calculated for Multifamily LT 5

    Conservative
    $205.9K
    NOI $18,531 @ 9.00% cap · cautious / downside scenario
    Moderate
    $264.7K
    NOI $18,531 @ 7.00% cap · market / base-case scenario
    Aggressive
    $370.6K
    NOI $18,531 @ 5.00% cap · optimistic / upside scenario

    NOI & Cap Rate Calculator

    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.
         Calculated for Multifamily LT 5

    Component $ $/SF
    Gross rent $27.7k $12.60
    − Vacancy −$1.2k −$0.57
    EGI $26.5k $12.03
    − OpEx −$7.9k −$3.61
    NOI $18.5k $8.42
    2,200 SF · lease $12.60/SF/yr · vacancy 4.50% · expense 30.00%

    Alternative Use Scenarios

    Best Use
    Multifamily LT 5
    $264.7K
    $231.6K – $308.9K (±1% cap)
    NOI $18,531 @ 7.0% cap · market cap 6.99%
    Second Best
    Apartment 5plus
    $239.5K
    $209.5K – $279.4K (±1% cap)
    NOI $16,762 @ 7.0% cap · market cap 6.33%
    Theoretical Best
    Office A
    $486.1K
    $425.3K – $567.1K (±1% cap)
    NOI $34,024 @ 7.0% cap · market cap 12.84%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Quadplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Dental Office Spa & Massage Center Hair Salon Nail Salon Gym & Fitness Center Building Supply Daycare Center

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Idaho Falls
    County
    Bonneville
    State
    Idaho
    Longitude
    -112.0299265
    Latitude
    43.4882118

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    FAQs

    What type of property is this?
    Quadplex - Charming 4-unit property with income potential in Idaho Falls.
    Where is this quadplex located?
    The property is located at 251 11th Street Idaho Falls, ID.
    What is the asking price?
    The asking price for this property is $265,000.
    What are key features of this property?
    This property features: Excellent income potential with three of four units currently occupied.; Classic 1912 multi‑unit property with vintage appeal and lasting charm.; Practical layout with four studio apartments (two upstairs, two downstairs).
    (208) 529-8888
    We can help!
    Listing Contact
    Chris Schmalz Real Estate Group
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
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