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    The Largest CRE Database in the US with Over 1 Million Listings
    Property profile & analytics

    231 Millbrae Ave Millbrae, CA 94030

    • Office buildings
    • 0.71 lot acres
    OFF-MARKET
    Last Sale
    Feb 07, 2022
    $6,920,000
    Value Estimations
    $6,535,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US09-2091962
    The Realmo ID is a unique identifier assigned to every property, incorporating country codes and precise geo-coordinates for 300x300-foot land blocks. It enables standardized data collection and seamless integration of disparate sources such as ownership, tax, title data and physical specifications. By aggregating current and historical records, the Realmo ID powers advanced analytics and delivers deep, verifiable insights for real estate professionals.

    Current Use by Public Records

    • Office buildings

    Property Details for 231 Millbrae Ave

    Lot size
    0.71 lot acres
    Zone code
    ML0000
    Property type
    Office buildings
    APN
    024-353-150
    APU
    24353150

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

      Method
      Estimation
      Statistic approach
      $6,285,000
      ML approach
      $6,010,000

    Get a detailed, property-specific valuation — fast and free

    Location Insight

    • Map
    • Local Demand
    City
    Millbrae
    County
    San Mateo
    State
    California
    Longitude
    -122.384
    Latitude
    37.5996
    CBSA code
    41860
    CBSA name
    SAN FRANCISCO-OAKLAND-FREMONT, CA METROPOLITAN STATISTICAL AREA

    Property Tax & Assessments

    Tax date
    Tax Amount
    Assessed Land Value
    Assessed Improvement Value
    Total Assessed Value
    Applied Tax Rate
    Land Market Value
    Improvement Market Value
    Total Market Value
    2024
    $167,166
    $14,510,074
    $0.00
    $14,510,074
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $1,590,000
      5,736 SF

      800 El Camino Real

      OFFICE BUILDING (MULTI-STORY) • 5,736 SF
      800 El Camino Real, Millbrae, CA 94030-2057
      View Details
    • Value Estimation
      $3,180,000
      9,066 SF

      1699 El Camino Real

      OFFICE BUILDING (MULTI-STORY) • 9,066 SF
      1699 El Camino Real, Millbrae, CA 94030-1272
      View Details
    • Value Estimation by Request
      0.20 Acres

      15 El Camino Real

      OFFICE BUILDING (MULTI-STORY) • 0.20 Acres
      15 El Camino Real, Millbrae, CA 94030-2603
      View Details
    • Value Estimation by Request
      0.03 Acres

      1001 Broadway, Unit 304

      PROFESSIONAL BUILDING • 0.03 Acres
      1001 Broadway, Millbrae, CA 94030-1977
      View Details
    • Value Estimation by Request
      0.10 Acres

      500 Broadway

      OFFICE BUILDING (MULTI-STORY) • 0.10 Acres
      500 Broadway, Millbrae, CA 94030-1908
      View Details
    • Value Estimation by Request
      0.17 Acres

      112 Park Pl

      OFFICE BUILDING (MULTI-STORY) • 0.17 Acres
      112 Park Pl, Millbrae, CA 94030-1235
      View Details

    Similar Nearby for Sale

    • $2,098,000
      3,885 SF

      1621 El Camino Real, Millbrae, CA 94030

      Commercial real estate • 3,885 SF
      1621 El Camino Real, Millbrae, CA 94030
      View Details
    • Contact for pricing
      0.41 Acres

      Millbrae Mixed-Use Retail Space

      1,400 SF Retail, Great Location, BART/Caltrain Access
      9 Unit A, Millbrae, CA 94030
      View Details
    • Contact for pricing
      21,691 SF

      Millbrae Food Processing/Distribution Facility

      Free-standing facility with commercial kitchen and covered dock platform.
      370 Adrian Rd, Millbrae, CA 94030
      View Details
    • Contact for pricing
      1.11 Acres

      Millbrae Mixed-Use Retail Space

      High-Visibility Retail Space, Excellent Location
      979 Unit 103, Millbrae, CA 94030
      View Details
    • $3,390,000
      6,200 SF

      Mixed-Use Development Site Near Transit

      Prime development site near transit for mixed-use building.
      186 El Camino Real, Millbrae, CA 94030
      View Details
    • $6,000,000
      5,400 SF

      Millbrae Development Site: Prime Location

      High-potential Millbrae commercial property.
      140 El Camino Real, Millbrae, CA 94030
      View Details

    Similar Nearby for Lease

    • $19,000 /Mo

      Prime Millbrae Office Space

      Desirable location with high visibility near transportation and amenities.
      199 California Dr, Millbrae, CA 94030
      View Details
    • Contact for pricing
      10,230 SF

      Prime Office Space Available

      Desirable location, high visibility, near transportation and amenities.
      California Dr, Millbrae, CA 94030
      View Details
    • $1,203 /Mo
      36,160 SF

      Millbrae Office Space Available

      Prime office suites in iconic Millbrae building near transit.
      El Camino Real Suite#421, Millbrae, CA 94030
      View Details
    • Contact for pricing
      2,932 SF

      Furnished Office Space in Millbrae

      Plug & Play office space near restaurants and public transportation.
      130-140 El Camino Real, Millbrae, CA 94030
      View Details
    • Contact for pricing
      1,310 SF

      Two-Story Office Space Available

      Office space for rent in Belmont with flexible lease terms.
      1625 El Camino Real, Millbrae, CA 94030
      View Details
    • $3,500 /Mo

      Retail Space Near Transit Hub

      Retail space available near BART and Caltrain with parking.
      9 El Camino Real A, Millbrae, CA 94030
      View Details
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    231 Millbrae Ave
    Millbrae, CA 94030
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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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