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    The Largest CRE Database in the US with Over 1 Million Listings
    Property profile & analytics

    3121 Seaman Ave El Monte, CA 91733-1221

    • Apartment buildings
    • 4,017 SF
    • 0.44 lot acres
    OFF-MARKET
    Last Sale
    Jan 06, 2020
    $1,004,000
    Value Estimations
    $1,595,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US09-6727197
    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

    • Apartment buildings

    Property Details for 3121 Seaman Ave

    Year built
    1959
    Construction
    WOOD
    Lot size
    0.44 lot acres
    Property size
    4,017 SF
    Zone code
    EMR3*
    Property type
    Apartment buildings
    APN
    8581-018-010
    APU
    8581018010

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

      Method
      Estimation
      Statistic approach
      $1,635,000
      ML approach
      $1,285,000

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $1,477,000
      Market price range: $478k - $1.48M

    • Alternative Use

      Use
      Estimation
      APARTMENT HOUSE (5+ UNITS)
      $1,095,000
      Current use
      NEIGHBORHOOD: SHOPPING CENTER
      $2,445,000
      Change: +123% Conversion: Difficult
      MEDICAL BUILDING
      $1,825,000
      Change: +67% Conversion: Moderate
      OFFICE BUILDING
      $1,410,000
      Change: +29% Conversion: Moderate
      AUTO REPAIR, GARAGE
      $1,355,000
      Change: +24% Conversion: Difficult
      COMMERCIAL (GENERAL)
      $1,210,000
      Change: +11% Conversion: Moderate
      RETAIL STORES
      $1,065,000
      Change: -3% Conversion: Difficult

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

    Location Insight

    • Map
    • Local Demand
    City
    El Monte
    County
    Los Angeles
    State
    California
    Longitude
    -118.053
    Latitude
    34.0647
    CBSA code
    31080
    CBSA name
    LOS ANGELES-LONG BEACH-ANAHEIM, 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
    $17,447
    $832,175
    $356,088
    $1,188,263
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $390,000
      3,298 SF

      3117 Havenpark Ave

      APARTMENT HOUSE (5+ UNITS) • 3,298 SF
      3117 Havenpark Ave, El Monte, CA 91733-1321
      View Details
    • Value Estimation
      $545,000
      9,428 SF

      3119 Merced Ave

      APARTMENT HOUSE (5+ UNITS) • 9,428 SF
      3119 Merced Ave, El Monte, CA 91733-1259
      View Details
    • Value Estimation
      $595,000
      6,496 SF

      2126 Mtn Vw Rd

      APARTMENT HOUSE (5+ UNITS) • 6,496 SF
      2126 Mtn Vw Rd, El Monte, CA 91733-3528
      View Details
    • Value Estimation
      $490,000
      12,546 SF

      2608 Potrero Ave

      APARTMENT HOUSE (5+ UNITS) • 12,546 SF
      2608 Potrero Ave, El Monte, CA 91733-1850
      View Details
    • Value Estimation
      $545,000
      11,805 SF

      2614 Santa Anita Ave

      APARTMENT HOUSE (5+ UNITS) • 11,805 SF
      2614 Santa Anita Ave, El Monte, CA 91733-2200
      View Details
    • Value Estimation
      $735,000
      27,944 SF

      2509 Continental Ave

      APARTMENT HOUSE (5+ UNITS) • 27,944 SF
      2509 Continental Ave, El Monte, CA 91733-2767
      View Details

    Similar Nearby for Sale

    • $1,700,000
      3,513 SF

      Mixed-Use Property For Sale

      Five buildings with retail and apartment units for investment.
      2541 Rosemead Blvd, South El Monte, CA 91733
      View Details
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      Four-Unit Multifamily Investment Property

      Tenant-occupied four-unit property with development potential in South El Monte.
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      El Monte Four Unit Property

      Four unit property in El Monte with value-add opportunity.
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    • New
      $1,298,000
      Pending

      Well-Maintained Four-Unit Property

      Four-unit property with upside potential in a growing neighborhood.
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    • $70,000

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      2-bedroom, 1-bath mobile home in a prime location.
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      3,031 SF

      El Monte Quadruplex Opportunity

      Multi-family property with four units in El Monte, CA.
      2518 Sastre Ave, El Monte, CA 91733
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    Similar Nearby for Lease

    • Contact for pricing
      2,193 SF

      South El Monte Commercial Lease

      Versatile space in well-maintained park, convenient location.
      10653 Rush St, South El Monte, CA 91733
      View Details
    • $1.43 SF/Yr
      5,280 SF

      South El Monte Warehouse Space

      5,280 SF free-standing building with secured yard for lease.
      1934 Cogswell Rd, South El Monte, CA 91733
      View Details
    • $1.38 SF/Yr
      12,200 SF

      Manufacturing Building Near Freeways

      Manufacturing building with yard and covered parking near freeways.
      10807 Rush St, South El Monte, CA 91733
      View Details
    • $1.17 SF/Yr
      8,943 SF

      Industrial Building with Fenced Yard

      Industrial building featuring a fenced yard and two ground doors.
      2619 Troy Ct, South El Monte, CA 91733
      View Details
    • Contact for pricing
      23,150 SF

      Industrial Warehouse Space Available

      Multi-tenant building with convenient freeway access and modern offices.
      11077 Rush St, South El Monte, CA 91733
      View Details
    • Contact for pricing
      22,348 SF

      New Industrial Building For Lease

      Class A multi-tenant industrial building under construction, available Q2 2026.
      11234 Rush St, South El Monte, CA 91733
      View Details
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    3121 Seaman Ave
    El Monte, CA 91733-1221
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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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