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    Duplex with Owner-Occupant Unit Title is generated by Realmo AI

    4629 Washington Boulevard St, Louis, MO 63108

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    For Sale
    $429,900

    Historic, 2-4 Units - St Louis, MO

    Property size:
    2,880 SF
    Lot size:
    0.07 Acres
    Price / SF:
    $149/SF
    Added:
    Jun 5, 2026
    Days on Market:
    1
    Last Refresh:
    Jun 5 at 10:06 am

    Property Features for 4629 Washington Boulevard St

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Parking features
    Driveway, On Street
    Exterior features
    Fencing
    Fencing
    Fenced
    Standard status
    Active
    APN
    4556-00-0370-0
    Size
    2,880 SF
    Lot size
    0.07 Acres

    Utilities

    Heating system
    Forced Air, Natural Gas
    Cooling system
    Ceiling Fan(s), Central Air, Electric

    Building Details

    Year built
    1901
    Number of units
    2
    Flooring type
    Wood
    Building materials
    Brick, Stone
    Roof type
    Flat
    Architectural style
    Other

    We can help!

    Listing Contact
    Jim Willen
    Jim Willen

    Listing agent Jim Willen License #2006032973

    Listing office Worth Clark Realty 100 Chesterfield Bus Pkwy 2 Fl, Chesterfield, MO

    Listing date Jun 5, 2026

    MLS# 26032081 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

    • 1901‑built Central West End duplex with brick and stone exterior and a flat roof
    • Main level: 3 bed, 1 bath apartment
    • Upper level: 2 bed, 1 bath unit with an open floor plan
    • Updated units with new kitchens featuring granite countertops and updated bathrooms
    • Cooling and heating include central air, forced air, and natural gas
    • Fenced private backyard with driveway parking and on‑street parking

    Overview

    This renovated duplex offers two separate apartments. The main floor is a large 3-bedroom, 1-bath layout, while the upper unit features a 2-bedroom, 1-bath open floor plan. Improvements include new kitchens with granite countertops, updated bathrooms, new flooring, exposed brick, and practical in-home features such as large rooms, ample storage, breakfast bars, and double sinks. The upper unit also includes in-unit laundry and a floor plan with a large living area and a separate dining area.

    Located in St. Louis’ Central West End, the property is about one block from Euclid and sits directly across the street from Bowood Farms. The surrounding area is described as walkable to restaurants, shops, and small businesses.

    The configuration supports a range of residential strategies. The second-floor unit is currently described as available for an owner-occupant or for placing your own tenants, while the private fenced backyard adds an outdoor option for residents. With its multi-unit layout and recent interior updates, the property may also be of interest to buyers considering a short-term rental approach, subject to their own planning and requirements.

    Local Financial Insights For Multifamily LT 5

    Simulate Cap Rate and NOI

    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.

    Component $ $/SF
    Gross rent $46.7k $16.20
    − Vacancy −$2.7k −$0.92
    EGI $44.0k $15.28
    − OpEx −$13.2k −$4.58
    NOI $30.8k $10.69
    2,880 SF · lease $16.20/SF/yr · vacancy 5.70% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $440.0K
    $385.0K – $513.3K (±1% cap)
    NOI $30,798 @ 7.0% cap · market cap 7.16%
    Second Best
    Apartment 5plus
    $382.9K
    $335.0K – $446.7K (±1% cap)
    NOI $26,801 @ 7.0% cap · market cap 6.23%
    Theoretical Best
    Office A
    $618.1K
    $540.8K – $721.1K (±1% cap)
    NOI $43,267 @ 7.0% cap · market cap 10.06%
    Zoning and permitted uses should be independently verified with local authorities.
    Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    Louis
    County
    St. Louis
    State
    Missouri
    Longitude
    -90.257307
    Latitude
    38.650182

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    FAQs

    What type of property is this?
    Duplex - Renovated two-unit duplex with updated kitchens, in-unit laundry on the upper level, and a private fenced backyard.
    Where is this duplex located?
    The property is located at 4629 Washington Boulevard St Louis, MO.
    What is the asking price?
    The asking price for this property is $429,900.
    What are key features of this property?
    This property features: 1901‑built Central West End duplex with brick and stone exterior and a flat roof; Main level: 3 bed, 1 bath apartment; Upper level: 2 bed, 1 bath unit with an open floor plan
    (314) 753-8540
    We can help!
    Listing Contact
    Jim Willen
    Jim Willen
    Real Estate License ID: 2006032973
    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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