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    Property profile & analytics

    1798 Delaware St San Mateo, CA 94402-2651

    • Apartment buildings
    • 204,729 SF
    • 2.70 lot acres
    OFF-MARKET
    Value Estimations
    $48,235,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US09-5635119
    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

    • BEACH HUT DELI / Restaurant

    Property Details for 1798 Delaware St

    Year built
    2019
    Lot size
    2.70 lot acres
    Property size
    204,729 SF
    Property type
    Apartment buildings
    APN
    035-200-220
    APU
    35200220

    Value Estimations

    based on Realmo’s proprietary methodology

    • Alternative Use

      Use
      Estimation
      APARTMENT HOUSE (5+ UNITS)
      $67,965,000
      Current use
      WAREHOUSE, STORAGE
      $78,340,000
      Change: +15% Conversion: Difficult

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

    Location Insight

    • Map
    • Local Demand
    City
    San Mateo
    County
    San Mateo
    State
    California
    Longitude
    -122.307
    Latitude
    37.5545
    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
    $1,694,893
    $17,788,280
    $116,233,415
    $134,021,695
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $1,320,000
      7,505 SF

      32 Baytree Way

      APARTMENT HOUSE (5+ UNITS) • 7,505 SF
      32 Baytree Way, San Mateo, CA 94402-1284
      View Details
    • Value Estimation
      $1,975,000
      8,039 SF

      119 Dartmouth Rd

      APARTMENT HOUSE (5+ UNITS) • 8,039 SF
      119 Dartmouth Rd, San Mateo, CA 94402-1620
      View Details
    • Value Estimation
      $3,385,000
      21,031 SF

      19 Crystal Spgs Rd

      APARTMENT HOUSE (5+ UNITS) • 21,031 SF
      19 Crystal Spgs Rd, San Mateo, CA 94402-1556
      View Details
    • Value Estimation
      $1,785,000
      7,347 SF

      606 Fremont St

      APARTMENT HOUSE (5+ UNITS) • 7,347 SF
      606 Fremont St, San Mateo, CA 94402-1386
      View Details
    • Value Estimation
      $1,120,000
      4,310 SF

      1734 Grant St

      APARTMENT HOUSE (5+ UNITS) • 4,310 SF
      1734 Grant St, San Mateo, CA 94402-7002
      View Details
    • Value Estimation
      $1,490,000
      5,839 SF

      128 Hobart Ave

      APARTMENT HOUSE (5+ UNITS) • 5,839 SF
      128 Hobart Ave, San Mateo, CA 94402-2873
      View Details

    Similar Nearby for Sale

    • Contact for pricing

      Luxury Apartments Near Caltrain Station

      New 74-unit apartment community in San Mateo, California.
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      San Mateo Multifamily Investment Opportunity

      Multifamily property in San Mateo, open house on 3/13 and 3/18.
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      5,911 SF

      San Mateo Multifamily Investment Opportunity

      8-unit apartment community in San Mateo, near downtown and transportation.
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    • New
      $1,599,000
      2,097 SF

      Updated Duplex in Sunnybrae

      Updated duplex in up-and-coming San Mateo neighborhood.
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      View Details
    • Contact for pricing
      4,300 SF

      San Mateo Flex Space For Sale

      Flex space property featuring office, shop, and warehouse areas.
      1731 Leslie St, San Mateo, CA 94402
      View Details

    Similar Nearby for Lease

    • $3 SF/Yr
      1,158 SF

      San Mateo Office Space Available

      Office space for rent, convenient location near Highway 92.
      3190 Clearview Way, San Mateo, CA 94402
      View Details
    • Contact for pricing
      603 SF

      Commercial Office Space Available

      Portfolio of commercial office spaces for rent with ample parking.
      1710 S Amphlett Blvd, San Mateo, CA 94402
      View Details
    • Contact for pricing
      2,000 SF

      Retail Space in San Mateo

      2,000 SF retail space available for lease.
      12 17Th Ave, San Mateo, CA 94402
      View Details
    • $1.99 SF/Yr
      1,500 SF

      San Mateo Creative/R&D Space

      Newly remodeled 1,500 SF creative/R&D space for lease.
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      View Details
    • Contact for pricing
      6,424 SF

      Downtown San Mateo Office Space

      Office space in downtown San Mateo, near Caltrain.
      700-800 South Claremont St, San Mateo, CA 94402
      View Details
    • Contact for pricing
      7,388 SF

      Downtown San Mateo Office Space

      Office space in downtown San Mateo, near Caltrain.
      800 South Claremont St, San Mateo, CA 94402
      View Details
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    1798 Delaware St
    San Mateo, CA 94402-2651
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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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