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    Freestanding Restaurant Building with Drive-Thru Title is generated by Realmo AI

    609 South Main Street, O Fallon, MO 63366

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    2,772 SF restaurant with drive-thru on 0.60 acres.

    Type:Retail
    Property size:
    2,772 SF
    Lot size:
    0.60 Acres
    Added:
    Mar 25, 2026
    Days on Market:
    50
    Last Refresh:
    Mar 18 at 8:32 am

    Property Features for 609 South Main Street

    General Information

    Standard status
    Active
    Size
    2,772 SF
    Lot size
    0.60 Acres
    Property subtype
    Retail

    We can help!

    Listing Contact
    Nick Garavaglia

    Listing agent Nick Garavaglia

    Listing office CBRE

    Listing date Mar 25, 2026

    Source Cbre

    Displayed information is deemed reliable but is not guaranteed and should be independently verified.

    All listing content including descriptions, pricing, images are the copyrighted material of CBRE

    HighLights

    • Freestanding 2,772 SF restaurant building with drive‑thru.
    • Excellent direct visibility and frontage on S Main Street.
    • Signage visibility from Interstate I‑70.
    • Located in St. Charles County, a growing area with a projected population of 450,000 by 2030.
    • Situated on a 0.60‑acre lot.
    • Tenant self‑maintains the CAM.

    Overview

    The property features a 2,772 square foot freestanding restaurant building with a drive-thru, situated on 0.60 acres. It offers direct visibility and frontage on South Main Street, along with signage visibility from Interstate I-70. Located in St. Charles County, which had a population of 405,262 as of the 2020 census and is projected to reach 450,000 by 2030, the area includes a variety of retailers, such as national chains, local businesses, and specialty shops. The retail sector is expected to grow alongside the county’s population. The estimated operating expenses include real estate taxes of $15,331.00 per year ($5.20 per square foot) as of 2024, and property insurance estimated at $9,000 per year ($3.05 per square foot). The tenant is responsible for self-maintenance.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Yellowbatz Gym & Fitness Center MoGreenCard Medical Clinic Burger King Restaurant

    Suggested Use

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

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

    Location Insight

    • Map
    • Local Demand
    City
    O Fallon
    County
    St. Charles
    State
    Missouri
    Longitude
    -90.7006918
    Latitude
    38.8036623

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    FAQs

    What type of property is this?
    Drive through restaurant - 2,772 SF restaurant with drive-thru on 0.60 acres.
    Where is this drive through restaurant located?
    The property is located at 609 South Main Street O Fallon, MO.
    What are key features of this property?
    This property features: Freestanding 2,772 SF restaurant building with drive‑thru.; Excellent direct visibility and frontage on S Main Street.; Signage visibility from Interstate I‑70.
    (314) 655-5827
    We can help!
    Listing Contact
    Nick Garavaglia
    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.

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