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    Second-Floor Condo Income Property Title is generated by Realmo AI

    5120 Williams Fork Trl, Boulder, CO 80301

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    For Sale
    $259,000

    MULTI_FAMILY - Contemporary - Boulder, CO

    Property size:
    625 SF
    Price / SF:
    $414/SF
    Added:
    Feb 27, 2026
    Days on Market:
    97
    Last Refresh:
    Jun 4 at 9:06 am

    Property Features for 5120 Williams Fork Trl

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    MF
    Bedrooms
    1
    Bathrooms
    1
    Rooms
    Bedroom 1, Bathroom 1
    Parking
    1
    Parking features
    RV
    Window features
    Window Coverings
    Pets allowed
    Cats OK, Dogs OK
    Interior features
    Eat-in Kitchen, Open Floorplan
    Exterior features
    Balcony
    Appliances
    Electric Range, Dishwasher, Refrigerator
    Standard status
    Active
    APN
    R0083623
    Size
    625 SF

    Taxes and HOA fees

    Tax Year
    2025
    Tax Annual Amount
    1794

    Utilities

    Utilities
    Natural Gas Available
    Sewer type
    Public Sewer
    Cooling system
    Central Air, Ceiling Fan(s)

    Building Details

    Year built
    1969
    Floors in Building
    2
    Number of units
    1
    Building materials
    Brick
    Roof type
    Composition
    Architectural style
    Contemporary

    We can help!

    Listing Contact
    Sean McIllwain

    Listing agent Sean McIllwain

    Listing office MOD Boulder 3030 Washington Street, Boulder, CO

    Listing date Feb 27, 2026

    MLS# 1052608 Listing URL

    Copyright © 2026 IRES MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Eat‑in kitchen with an open floorplan
    • Second‑floor condo features a balcony
    • Central air cooling plus ceiling fans
    • Appliances included: electric range, dishwasher, and refrigerator
    • Brick construction with a composition roof
    • Utilities include natural gas available; public sewer; RV parking

    Overview

    This property is a second-floor condo within an MF-zoned residential income setting, offered for sale as a turn-key, low-maintenance asset. The unit is described as beautifully maintained and includes recent updates intended to minimize immediate capital expenditure and ongoing upkeep. With approximately 625 square feet of interior space, the layout is presented as bright and open-concept, designed to make efficient use of the living area.

    The home is located at 5120 Williams Fork Trl in Boulder, Colorado (80301), in Boulder County. Public remarks note proximity to employment areas, trail networks, retail, and dining, along with commuter access to downtown Boulder and surrounding tech corridors.

    For investors or owner-operators seeking a manageable residential rental, this condo format can offer a straightforward ownership structure, with the current offering emphasizing maintenance practicality and readiness for occupancy. The property’s described condition, open-concept interior, and MF zoning make it well-suited to buyers looking for a smaller, income-oriented residential holding in the Boulder rental market context provided in the listing materials.
    Property Profile Location Intelligence

    Current Use by Public Records

    Residential income properties

    Suggested Use

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

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

    Location Insight

    • Map
    • Local Demand
    City
    Boulder
    County
    Boulder
    State
    Colorado
    Longitude
    -105.199946
    Latitude
    40.066343

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    FAQs

    What type of property is this?
    Residential income property - Second-floor condo in an MF-zoned rental building, offered as a turn-key, low-maintenance income option.
    Where is this residential income property located?
    The property is located at 5120 Williams Fork Trl Boulder, CO.
    What is the asking price?
    The asking price for this property is $259,000.
    What are key features of this property?
    This property features: Eat‑in kitchen with an open floorplan; Second‑floor condo features a balcony; Central air cooling plus ceiling fans
    (720) 252-6051
    We can help!
    Listing Contact
    Sean McIllwain
    Request Owner's contact information
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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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