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    Property profile & analytics

    501 Lennon Ln Walnut Creek, CA 94598-2414

    • Office buildings
    • 98,950 SF
    • 5.23 lot acres
    OFF-MARKET
    Value Estimations
    $23,830,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US09-2893851
    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

    • Kaiser Permanente Business Offices / Business Service Center / Corporate Office

    Property Details for 501 Lennon Ln

    Year built
    1986
    Lot size
    5.23 lot acres
    Property size
    98,950 SF
    Property type
    Office buildings
    APN
    143-020-023-6
    APU
    1430200236

    Value Estimations

    based on Realmo’s proprietary methodology

    • CAP approach

      CAP Return
      Estimation
      6%
      $31,805,000
      6.5%
      $29,360,000
      7%
      $27,265,000

    • Alternative Use

      Use
      Estimation
      MEDICAL BUILDING
      $35,940,000
      COMMERCIAL (GENERAL)
      $34,440,000

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

    Location Insight

    • Map
    • Local Demand
    City
    Walnut Creek
    County
    Contra Costa
    State
    California
    Longitude
    -122.032
    Latitude
    37.9289
    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
    $286,230
    $7,137,100
    $17,610,926
    $24,748,026
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $1,865,000
      9,532 SF

      1700 Ygnacio Vly Rd

      OFFICE BUILDING • 9,532 SF
      1700 Ygnacio Vly Rd, Walnut Creek, CA 94598-3191
      View Details
    • Value Estimation
      $15,120,000
      106,463 SF

      2700 Ygnacio Vly Rd

      OFFICE BUILDING • 106,463 SF
      2700 Ygnacio Vly Rd, Walnut Creek, CA 94598-3455
      View Details
    • Value Estimation
      $12,340,000
      99,062 SF

      575 Lennon Ln

      OFFICE BUILDING • 99,062 SF
      575 Lennon Ln, Walnut Creek, CA 94598-2443
      View Details
    • Value Estimation by Request
      75,750 SF

      2125 Oak Grv Rd

      OFFICE BUILDING • 75,750 SF
      2125 Oak Grv Rd, Walnut Creek, CA 94598-2536
      View Details
    • Value Estimation
      $3,475,000
      13,810 SF

      2125 Ygnacio Vly Rd

      OFFICE BUILDING • 13,810 SF
      2125 Ygnacio Vly Rd, Walnut Creek, CA 94598-3397
      View Details
    • Value Estimation
      $9,240,000
      39,700 SF

      1399 Montego

      OFFICE BUILDING • 39,700 SF
      1399 Montego, Walnut Creek, CA 94598
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      11,035 SF

      Two-Story Office Building For Sale

      44,341 SF office building suitable for administrative or medical use.
      375 N Wiget Ln, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      122,821 SF

      Walnut Creek Office Redevelopment Opportunity

      Three vacant office buildings on 5.52 acres near John Muir Hospital.
      1200-1350 Montego, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      24,923 SF

      Walnut Creek Office Building

      Office building in Walnut Creek available for lease.
      1250 Montego, Walnut Creek, CA 94598
      View Details
    • $3,799,999

      Medical Office Buildings Near Hospitals

      Office/medical buildings near Kaiser Permanente & John Muir Medical Offices.
      309-311 Lennon Ln, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      31,258 SF

      Walnut Creek Office Complex

      Office complex in Walnut Creek available for lease.
      1200 Montego, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      34,879 SF

      Walnut Creek Office Complex

      Office and medical spaces available for lease in Walnut Creek.
      1350 Montego, Walnut Creek, CA 94598
      View Details

    Similar Nearby for Lease

    • $2 SF/Yr

      Walnut Creek Office Space Available

      Office space for rent in Walnut Creek, California.
      570-580 Lennon Ln, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      3,076 SF

      Walnut Creek Office Space Available

      Office building with ample parking near restaurants and retail.
      165-175 Lennon Ln, Walnut Creek, CA 94598
      View Details
    • $2 SF/Yr

      Walnut Creek Office Space

      Office space for lease in Shadelands Professional Center.
      402 North Wiget Ln, Walnut Creek, CA 94598
      View Details
    • $3 SF/Yr

      Medical Office Space Available

      Medical office space for lease in Walnut Creek.
      2255 Ygnacio Valley Rd, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      14,483 SF

      Walnut Creek Office Space Available

      Competitively priced office spaces with turnkey build-outs in Walnut Creek.
      2820 Shadelands Dr, Walnut Creek, CA 94598
      View Details
    • Contact for pricing
      937 SF

      Walnut Creek Office Space Available

      Competitively priced office spaces with turnkey build outs and amenities.
      2815 Mitchell Dr, Walnut Creek, CA 94598
      View Details
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    Walnut Creek, CA 94598-2414
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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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