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    Key Largo Office Building Opportunity Title is generated by Realmo AI

    100150 Overseas Highway, Key Largo, FL 33037

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    For Lease
    $9,900/Mo $48 SF/Yr (calc)

    COMMERCIAL - Key Largo, FL

    Property size:
    2,436 SF
    Added:
    Jan 14, 2026
    Days on Market:
    128
    Last Refresh:
    May 22 at 12:06 pm

    Property Features for 100150 Overseas Highway

    General Information

    Property type
    Commercial Lease
    Property subtype
    Other
    Bathrooms
    2
    Rooms
    Bathroom 1, Bathroom 2, Bathroom 3
    Standard status
    Active
    APN
    8497903
    Size
    2,436 SF

    Building Details

    Year built
    1999
    Roof type
    Metal

    We can help!

    Listing Contact
    Yvette Doherty

    Listing agent Yvette Doherty License #3281170

    Listing office Coldwell Banker Schmitt Key Largo 100430 Overseas Hwy., KEY LARGO, FL

    Listing date Jan 14, 2026

    MLS# 618110

    Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • High‑visibility location on US‑1 with back‑lit signage.
    • Equipped with a secure vault.
    • Existing covered drive‑thru for customer convenience.
    • Ample parking and a fenced, secure area.
    • Flexible floor plan with glass‑partitioned offices and staff kitchenette.
    • Limited comparable properties available in the Upper Keys market.

    Overview

    This modern office building is located in a desirable, high-visibility area of Key Largo. The property is suitable for a bank, financial institution, credit union, or check-cashing operation, and is also versatile for medical or professional offices due to its ground-level access and flexible layout. The building offers ample parking, a fenced, secure area, and a covered rear drive-thru. US-1 back-lit signage provides excellent visibility and accessibility. The building includes a secure vault. The existing drive-thru enhances customer convenience and revenue potential and may be adapted to suit specific business needs. Interior features include glass-partitioned offices that create a professional environment while maximizing natural light. A staff kitchenette adds daily functionality, and the flexible floor plan allows for customization. The property has 2436 square feet of space.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Office buildings

    Suggested Use

    Restaurant Real Estate Agency Law Firm Building Supply Spa & Massage Center Dental Office Big Box & Wholesale Store Auto Repair Shop Hair Salon Nail Salon

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

    Location Insight

    • Map
    • Local Demand
    City
    Key Largo
    County
    Monroe
    State
    Florida
    Longitude
    -80.435992
    Latitude
    25.099939

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    FAQs

    What type of property is this?
    Office building - Modern, fully equipped office building in a high-visibility Key Largo location.
    Where is this office building located?
    The property is located at 100150 Overseas Highway Key Largo, FL.
    What is the lease rate?
    The lease rate is $9,900 /Mo.
    What are key features of this property?
    This property features: High‑visibility location on US‑1 with back‑lit signage.; Equipped with a secure vault.; Existing covered drive‑thru for customer convenience.
    (786) 236-8158
    We can help!
    Listing Contact
    Yvette Doherty
    Real Estate License ID: 3281170
    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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    100150 Overseas Highway, Key Largo, FL 33037
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