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    4229 Hartford St St Louis, MO 63116

    View on Map
    Sponsored
    For Sale
    $499,900

    Residential Income, Historic - St Louis, MO

    Property size:
    3,536 SF
    Lot size:
    0.10 Acres
    Days on Market:
    2
    Last Refresh:
    Mar 20 at 2:06 am

    Property Features for 4229 Hartford St St

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Standard status
    Active
    APN
    5092-00-0350-0
    Parking features
    Off Street
    Interior features
    Ceiling Fan(s), Eat-in Kitchen, High Ceilings, Recessed Lighting, Separate Dining, Walk-in Closet(s)
    Exterior features
    Level, Fencing, Entry Steps/Stairs, Private Yard, Storage
    Fencing
    Fenced
    Appliances
    Dishwasher, Dryer, Garbage Disposer, Microwave, Range, Refrigerator, Washer, Washer/Dryer Combo
    Size
    3,536 SF
    Lot size
    0.10 Acres

    Utilities

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

    Building Details

    Year built
    1908
    Number of units
    2
    Flooring type
    Marble, Vinyl
    Building materials
    Brick, Stone
    Architectural style
    Other
    Additional Structures
    Storage

    We can help!

    Listing Contact
    Adam Briggs
    Adam Briggs

    RE/MAX Results (314) 781-7777

    Listing agent Adam Briggs (314) 781-7777 License #2008009260

    Listing date Mar 19, 2026

    MLS# 26015844 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.

    Learn more

    Property Insight Report

    Overview

    Spacious Tower Grove Two-Family Property

    This two-family property in Tower Grove South presents an investment opportunity and the chance to enjoy a spacious owner-occupant lifestyle. The upper residence spans approximately 2,200 square feet across two levels and includes four bedrooms. The home is filled with natural light and showcases generously sized rooms, tall ceilings, and a bright, open feel throughout. Recent updates include new flooring and fresh paint. Per the listing when it last sold in 2018 it had new plumbing stacks, copper supply lines, updated 200 amp panels, roofs were done in 2016, same for the HVAC system including the AC units and both units came with main floor laundry. In 2019 it got a new sewer line and tuck pointing was done. Outdoor amenities include a large private deck overlooking a gated yard and a newer rear parking pad that provides off-street parking for up to three vehicles. Situated on a well-maintained street, the property is steps from Tower Grove Park and within walking distance of the Morganford Business District. The lower unit is currently occupied by a tenant, while the upper unit is vacant and ready for immediate occupancy. The property size is 3,536 square feet and the lot size is 0.0964 acres.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Map

    City
    Louis
    County
    St. Louis
    State
    Missouri
    Longitude
    -90.259081
    Latitude
    38.60368

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    FAQs

    What type of property is this?
    Duplex - Unique two-family property in sought-after Tower Grove South neighborhood.
    Where is this duplex located?
    The property is located at 4229 Hartford St St Louis, MO.
    What is the asking price?
    The asking price for this property is $499,900.
    What are key features of this property?
    This property features: - Rare, exceptionally spacious 2,200 sq ft upper residence with **4 bedrooms**, uncommon in the St. Louis market.; - **Prime location:** Steps from Tower Grove Park and walking distance to the Morganford Business District.; - Excellent investment opportunity with a tenant in place in the lower unit and a vacant upper unit ready for immediate occupancy.
    (314) 974-5224
    Request Owner's contact information
    4229 Hartford St St Louis, MO 63116
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    Louis, MO 63116
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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
    4229 Hartford St St Louis, MO 63116
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    We can help!
    Listing Contact
    Adam Briggs
    Adam Briggs
    Real Estate License ID: 2008009260
    (314) 974-5224 (314) 781-7777
    Learn more
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