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    Helen L Dellheim, Elkridge, MD

    License ID: MD 579141
    Keller Williams Realty Centre
    Years of Experience
    19

    Service Locations

    Contact details

    Phone:
    (410) 258-4136
    Office Address:
    8825 Stanford Boulevard unit: 300, Columbia, MD, 21045

    Performance

    Listings
    19
    Total transactions
    16
    Total transactions amount
    $11M
    Price range
    $459k - 1M
    Average price
    $688k

    Listings

    For Sale (8)

    View map
    • $1,700,000
      21,985 SF

      Baltimore Industrial Property: Prime Location

      21,985 SF Warehouse, Manufacturing Potential
      2204 Mcphail St, Baltimore, MD 21223
      View Details
    • $2,087,000
      1.38 Acres

      Liberty Road Industrial Complex

      14,200 SF Industrial Property, MD
      9314 Liberty Rd, Randallstown, MD 21133
      View Details
    • $1,300,000
      5,000 SF

      Baltimore Assisted Living Facility

      Established Assisted Living, 15 Beds, $1.3M
      2311 Roslyn Ave, Baltimore, MD 21216
      View Details
    • $1,003,145
      3,289 SF

      Class A Medical Office Condo

      Columbia, MD: 3,289 SF Medical Office
      8860 Columbia 100 Pkwy, Columbia, MD 21045
      View Details
    • $895,000
      1.27 Acres

      Prime Laurel Commercial Land

      1.27 Acres, Mixed Zoning, $895,000
      0 Laurel Fort Meade Rd, Laurel, MD 20724
      View Details
    • $799,000
      4.51 Acres

      Elkridge Commercial Development Land

      4.5 Acres, Prime Location, B1 Zoning
      6100 Washington Blvd, Elkridge, MD 21075
      View Details
    • $2,087,000
      9,791 SF

      Liberty Road Mixed-Use Investment

      Prime Randallstown Commercial Property
      9314 Liberty Rd, Randallstown, MD 21133
      View Details
    • Contact for pricing
      2.32 Acres

      Columbia Industrial Flex Space

      Four flex units, up to 16,318 SF.
      9017 Mendenhall Ct, Columbia, MD 21045
      View Details

    For Lease (11)

    View map
    • $18 SF/Yr
      3,250 SF

      Prime Medical Office Space in Mount Vernon

      2,250 SF Medical Office Suite for Lease
      300 Charles St, Baltimore, MD 21201
      View Details
    • $14 SF/Yr
      8,400 SF

      Elkridge Office Space: 2,800 SF Available

      Modern Executive Suites, Prime Elkridge Location
      5668 -B Furnace Ave, Elkridge, MD 21075
      View Details
    • $24 SF/Yr
      36,400 SF

      Columbia Medical Office Space For Lease

      Prime Medical Office, 1800 SF, Ample Parking
      8835 Columbia 100 Pkwy, Columbia, MD 21045
      View Details
    • $22 SF/Yr
      51,770 SF

      Greenbelt Office Building - 51,770 SF

      Class A Office Space, Move-In Ready
      7855 Walker Dr, Greenbelt, MD 20770
      View Details
    • $24 SF/Yr
      3,289 SF

      Columbia Medical Office Condo

      Prime Medical Office Space For Sale/Lease
      8860 Columbia 100 Pkwy, Columbia, MD 21045
      View Details
    • $22 SF/Yr
      30,187 SF

      Greenbelt Office Building - 6 Stories

      Prime Greenbelt office space, multiple tenancy options.
      7833 Walker Dr, Greenbelt, MD 20770
      View Details
    • $18 SF/Yr
      49,527 SF

      Lanham, MD Office Space for Lease

      Class B Medical/Executive Office Suites Available
      10210 Greenbelt Rd, Lanham, MD 20706
      View Details
    • $46 SF/Yr
      1,444 SF

      Georgia Ave Medical Office Sublease

      1444 SF Medical Office Space - Glenmont
      12331 Georgia Ave, Silver Spring, MD 20906
      View Details
    • $4,850 /Mo

      Flex Office/Warehouse Space Available

      Flex office/warehouse space for lease in Columbia, Maryland.
      9017 Mendenhall Ct, Columbia, MD 21045
      View Details
    • $25 SF/Yr
      877 SF

      Catonsville Office/Medical Space Available

      Office/medical space for rent in Catonsville, MD.
      413 Commonwealth Ave, Catonsville, MD 21228
      View Details
    • $4,850 /Mo

      Columbia Flex Office/Warehouse Space

      Flex office/warehouse space for lease in ideal Columbia location.
      9017 Mendenhall Ct, Columbia, MD 21045
      View Details

    Leases and Sales on Map

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    Helen L Dellheim, Elkridge, MD
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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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    Helen L Dellheim, Elkridge, MD
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