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    St Louis Duplex Opportunity Title is generated by Realmo AI

    4236 W Aldine Avenue St, Louis, MO 63113

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    Claim this Listing
    New
    For Sale
    $100,000

    2-4 Units - St Louis, MO

    Property size:
    1,924 SF
    Lot size:
    0.08 Acres
    Price / SF:
    $51/SF
    Added:
    May 11, 2026
    Days on Market:
    7
    Last Refresh:
    May 17 at 3:06 am

    Property Features for 4236 W Aldine Avenue St

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Rooms
    Basement
    Parking features
    Driveway, Garage, On Street
    Basement Y/N
    1
    Standard status
    Active
    APN
    3682-00-0130-0
    Size
    1,924 SF
    Lot size
    0.08 Acres

    Taxes and HOA fees

    Tax Year
    2025
    Tax Annual Amount
    148

    Utilities

    Heating system
    Electric (Heating), Forced Air
    Cooling system
    Ceiling Fan(s), Multi Units, Window Unit(s)

    Building Details

    Year built
    1926
    Building materials
    Brick, Brick Veneer
    Architectural style
    Other

    We can help!

    Listing Contact
    Phillip Young

    Listing agent Phillip Young License #1999090274

    Listing office BHHS Select Properties 5494 Brown Rd Ste 113, St. Louis, MO

    Listing date May 11, 2026

    MLS# 26028732 Listing URL

    Copyright © 2026 Mid America Regional Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Duplex: Ideal for owner‑occupants or investors
    • Two spacious units, each featuring a living room, kitchen, full bathroom, and 2 bedrooms
    • Convenient location near transportation, highways, shopping, and amenities
    • Solid construction featuring brick and brick veneer
    • Parking includes driveway, garage, and on‑street options
    • Property includes a basement

    Overview

    Located in St Louis, this duplex at 4236 W Aldine Ave features two spacious units. Each unit includes a comfortable living room, kitchen, full bathroom, and 2 bedrooms. The property is suitable for an owner-occupant looking to live in one unit while generating rental income from the other. It also presents an opportunity for an investor seeking to add an income-producing property to their portfolio. The property's size is 1924 square feet, situated on a lot of 0.0846 acres. The location offers convenient access to public transportation, major highways, shopping, and everyday amenities, making it attractive for both homeowners and tenants.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    Louis
    County
    St. Louis
    State
    Missouri
    Longitude
    -90.241282
    Latitude
    38.655617

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    FAQs

    What type of property is this?
    Duplex - Duplex in St Louis with income-producing potential.
    Where is this duplex located?
    The property is located at 4236 W Aldine Avenue St Louis, MO.
    What is the asking price?
    The asking price for this property is $100,000.
    What are key features of this property?
    This property features: Duplex: Ideal for owner‑occupants or investors; Two spacious units, each featuring a living room, kitchen, full bathroom, and 2 bedrooms; Convenient location near transportation, highways, shopping, and amenities
    (314) 630-7481
    We can help!
    Listing Contact
    Phillip Young
    Real Estate License ID: 1999090274
    Learn More
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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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