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    Property profile & analytics

    499 Grv St Herndon, VA 20170-4732

    • Office buildings
    • 269,524 SF
    • 13.47 lot acres
    OFF-MARKET
    Last Sale
    Feb 21, 2020
    $133,768,303
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US87-0677414
    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

    • Boston Properties / Real Estate Agency

    Property Details for 499 Grv St

    Lot size
    13.47 lot acres
    Property size
    269,524 SF
    Zone code
    O&L I(OFFICE &LIGHT INDUS
    Property type
    Office buildings
    APN
    016-2-02-0184-E
    APU
    0162020184E

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

      Method
      Estimation
      Statistic approach
      Off market

    • CAP approach

      CAP Return
      Estimation
      6%
      $90,700,000
      6.5%
      $83,725,000
      7%
      $77,745,000

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $90,590,000
      Market price range: $62.0M - $93.3M
      AI Estimate
      $67,145,000
      Market price range: $38.5M - $76.7M

    • Alternative Use

      Use
      Estimation
      OFFICE BUILDING
      $75,565,000
      Current use
      COMMERCIAL (GENERAL)
      $122,425,000
      Change: +62% Conversion: Easy
      NEIGHBORHOOD: SHOPPING CENTER
      $99,370,000
      Change: +32% Conversion: Difficult
      INDUSTRIAL (GENERAL)
      $91,675,000
      Change: +21% Conversion: Difficult
      AUTO REPAIR, GARAGE
      $89,985,000
      Change: +19% Conversion: Difficult
      WAREHOUSE, STORAGE
      $79,090,000
      Change: +5% Conversion: Difficult

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

    Location Insight

    • Map
    • Local Demand
    City
    Herndon
    County
    Fairfax
    State
    Virginia
    Longitude
    -77.3769
    Latitude
    38.965
    CBSA code
    47900
    CBSA name
    WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV 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
    $1,361,794
    $5,306,640
    $74,634,280
    $79,940,920
    -
    $5,306,640
    $74,634,280
    $79,940,920

    Comparable in this City

    • Value Estimation
      $2,465,000
      7,855 SF

      199 Elden St

      OFFICE BUILDING • 7,855 SF
      199 Elden St, Herndon, VA 20170-4810
      View Details
    • Value Estimation
      $2,090,000
      9,166 SF

      720 Jackson St

      OFFICE BUILDING • 9,166 SF
      720 Jackson St, Herndon, VA 20170-4744
      View Details
    • Value Estimation
      $3,395,000
      14,898 SF

      690 Ctr St

      OFFICE BUILDING • 14,898 SF
      690 Ctr St, Herndon, VA 20170-5021
      View Details
    • Value Estimation by Request
      245,682 SF

      399 Grv St

      OFFICE BUILDING • 245,682 SF
      399 Grv St, Herndon, VA 20170
      View Details
    • Value Estimation by Request
      0.02 Acres

      Herndon, VA 20170

      OFFICE BUILDING • 0.02 Acres
      Herndon, VA 20170
      View Details
    • Value Estimation by Request
      208,265 SF

      231 Spg St

      OFFICE BUILDING • 208,265 SF
      231 Spg St, Herndon, VA 20170
      View Details

    Similar Nearby for Sale

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      $750,000
      0.03 Acres

      Historic Commercial Building in Herndon

      Charming, updated historic building with income-producing leased units.
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      View Details
    • $295,000
      1,000 SF

      Herndon Office Space: Prime Location

      1,000 sq ft Office, Great Location
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      2,940 SF

      Herndon Office Space - Two Units

      Prime Herndon location, two combined office units.
      108 Elden St, Herndon, VA 20170
      View Details
    • Contact for pricing

      Herndon Office Condo - Elden Street

      Prime Herndon office space, elevator access, seller financing.
      131 Elden St, Herndon, VA 20170
      View Details
    • $720,000

      Medical Office in Prime Location

      Established medical complex, ready for immediate build-out or conversion.
      102 Elden St, Herndon, VA 20170
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      1,756 SF

      Herndon Office Condos For Sale

      Office condos suitable for medical, professional services, and small companies.
      171 Elden St, Herndon, VA 20170
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    Similar Nearby for Lease

    • $21 SF/Yr
      26,390 SF

      Herndon Office Space For Lease

      Herndon office building with excellent access and amenities.
      510 Spring St, Herndon, VA 20170
      View Details
    • Contact for pricing

      Herndon Park II Office Space

      Office space for lease in Herndon, Virginia.
      510 Spring St, Herndon, VA 20170
      View Details
    • $3,900 /Mo
      162,479 SF

      Herndon Office Space For Lease

      Office spaces available in Herndon, Virginia, with ample parking.
      950 Herndon Pkwy, Herndon, VA 20170
      View Details
    • Contact for pricing

      Professional Office Space Available

      Furnished office spaces for rent near the new metro station.
      464 Herndon Pkwy, Herndon, VA 20170
      View Details
    • Contact for pricing

      Herndon Retail/Office Space Available

      Second-floor retail/office space in Herndon, near Dulles Airport.
      720 Grant St, Herndon, VA 20170
      View Details
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    Herndon, VA 20170-4732
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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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