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    Joe Serafin, Ashburn, VA

    License ID: VA 0225239987
    Serafin Real Estate
    Association
    Northern Virginia Association Of Realtors

    Service Locations

    Contact details

    Phone:
    (703) 994-7510
    Office Address:
    40834 Graydon Manor Ln, Leesburg, VA, 20175

    Performance

    Listings
    20

    Listings

    For Sale (18)

    View map
    • $6,900,000
      19,329 SF

      Fairfax Medical Office Building

      19,329 SF Medical Office, Owner-User Potential
      3022 Javier Rd, Fairfax, VA 22031
      View Details
    • $3,950,000
      8,170 SF

      Lake Ridge School Investment

      Profitable NNN Leased School
      12405 Cpe Cod Ct, Lake Ridge, VA 22192
      View Details
    • $1,200,000
      7.01 Acres

      7.01 Acres Leesburg Industrial Land

      Prime 7-acre industrial lot, ideal for breweries.
      0 Dry Mill Rd, Leesburg, VA 20175
      View Details
    • $2,600,000
      4.78 Acres

      3945 Prince William Pkwy

      Land • 4.78 Acres
      3945 Prince William Pkwy, Woodbridge, VA 22192
      View Details
    • $13,800,000
      21,222 SF

      Chantilly Restaurant Investment

      High-return restaurant, NNN lease.
      5003 Westone Plz, Chantilly, VA 20151
      View Details
    • Contact for pricing
      10,734 SF

      Ashburn Early Education Center

      Turnkey childcare facility, 10,734 SF
      42885 Orchard Oriole Dr, Ashburn, VA 20147
      View Details
    • $1,600,000
      0.70 Acres

      Prime Ashburn Commercial Land

      0.7-acre corner lot, ideal development
      20331 Susan Leslie Dr, Ashburn, VA 20147
      View Details
    • $6,075,000
      17,850 SF

      Alexandria Office Building For Sale

      17,850 SF office building with 100% occupancy in Alexandria.
      6408 Grovedale Dr, Alexandria, VA 22310
      View Details
    • Contact for pricing
      27,685 SF

      Purcellville Industrial Flex Investment

      27,685 SF industrial flex building on 3.52 acres.
      210 N 21St St, Purcellville, VA 20132
      View Details
    • $3,600,000
      11,238 SF

      Alexandria School Building For Sale

      11,238 SF property in Alexandria, currently leased to schools.
      216 S Peyton St, Alexandria, VA 22314
      View Details
    • $7,550,000
      22,000 SF

      Renovated Retail Building in Fairfax

      22,000 SF renovated retail building with NNN leases.
      10426 Main St, Fairfax, VA 22030
      View Details
    • $10,890,000
      36,341 SF

      Medical and Professional Office Portfolio

      Two-building medical and professional office portfolio in Alexandria, VA.
      6400 Grovedale Rd, Springfield, VA
      View Details
    • Contact for pricing
      19,329 SF

      Merrifield Office Building For Sale

      Office building with high traffic and strong local demographics.
      3022 Javier Rd, Merrifield, VA
      View Details
    • $1,200,000

      Land Along W&OD Trail

      Two parcels of land suitable for development projects.
      18335 Dry Mill Rd, Leesburg, VA 20175
      View Details
    • $1,200,000

      Land Parcel in Leesburg, VA

      Land parcel zoned LB:RE and LB:R4 in Leesburg, Virginia.
      Chancellor Ct, Leesburg, VA
      View Details
    • $1,200,000

      Land Parcel Near Leesburg

      Land parcel with multiple zoning designations near Leesburg, Virginia.
      721 Donaldson Ln SW, Leesburg, VA 20175
      View Details
    • $4,990,000

      Downtown Leesburg Redevelopment Opportunity

      0.55-acre site entitled for mixed-use development in historic district.
      208 Church St SE, Leesburg, VA 20175
      View Details
    • $1,600,000

      Prime Corner Lot in Ashburn

      0.7 acre corner lot in a desirable Ashburn location.
      20331 Susan Leslie Dr, Ashburn, VA 20146
      View Details

    For Lease (2)

    View map
    • $35 SF/Yr
      10,734 SF

      Ashburn Early Education Center

      Turnkey Childcare Facility in Prime Location
      42885 Orchard Oriole Dr, Ashburn, VA 20147
      View Details
    • $24 SF/Yr
      4,000 SF

      Leesburg Mixed-Use Retail/Warehouse Space

      4,000 SF mixed-use space in Downtown Leesburg.
      309 Parker Ct SE, Leesburg, VA 20175
      View Details

    Leases and Sales on Map

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    Joe Serafin, Ashburn, VA
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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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