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    601 Building Washington, DC 20004
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    601 Building Washington, DC 20004

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    • Office Spaces
    • 20,234 SF
    Off-Market
    Value Estimations
    Cap Rate Potential
    Location Intelligence

    Current Use by Public Records

    • Office Spaces

    Property Details for 601 Building

    Property size
    20,234 SF
    Property type
    Office Spaces
    Property subtype
    Office Units

    Description

    This Class A office building at 601 Pennsylvania Avenue SW, Suite 900, Washington, DC 20004, offers 20,234 square feet of flexible workspace. The building, renovated in 2019, features 350 suites, with a minimum divisible space of 10 square feet and a maximum contiguous space of 1,300 square feet. Currently, 5,970 square feet are vacant. The property boasts stunning Capitol views from floor-to-ceiling windows and a balcony. Tenancy is multiple, catering to various business needs, from single-person offices to large corporate spaces. Options include fully furnished and equipped private offices, serviced offices, custom office spaces, disaster recovery spaces, and day offices. A benefits program offers exclusive discounts and procurement support. The building is conveniently located near major corporations, trade associations, and cultural attractions such as the Smithsonian and National Gallery of Art, providing excellent access throughout the city. Building amenities include elevators.

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

    • CAP approach

    • Comparable approach

    • Alternative Use

    Location Insight

    • Map
    • Local Demand
    City
    Washington
    County
    Washington
    State
    DC
    Longitude
    -77.0205
    Latitude
    38.8934

    Comparable in this City

    • Value Estimation
      $10,290,000
      37,353 SF

      800 F NW St, Unit 222

      CONDOMINIUM OFFICES • 37,353 SF
      800 F NW St, Washington, DC 20004-1505
      View Details
    • Value Estimation
      $4,525,000
      15,898 SF

      633 Pennsylvania NW Ave

      OFFICE (GENERAL) • 15,898 SF
      633 Pennsylvania NW Ave, Washington, DC 20004-2605
      View Details
    • Value Estimation
      $835,000
      4,164 SF

      444 8th St Nwc2

      CONDOMINIUM OFFICES • 4,164 SF
      444 8th St Nwc2, Washington, DC 20004-2152
      View Details
    • Value Estimation by Request

      701 Pennsylvania Ave

      Office Spaces
      701 Pennsylvania Ave, Washington, DC 20004
      View Details
    • Value Estimation
      $26,020,000
      91,383 SF

      1000 F St Nwc-2

      CONDOMINIUM OFFICES • 91,383 SF
      1000 F St Nwc-2, Washington, DC 20004-1501
      View Details
    • Value Estimation
      $7,155,000
      16,512 SF

      509 7th NW St

      OFFICE (GENERAL) • 16,512 SF
      509 7th NW St, Washington, DC 20004-1600
      View Details

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      Prime Office Space in Penn

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      Office Space For Rent

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    Washington, DC 20004
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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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