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

    1139 Msn St San Francisco, CA 94103-1514

    • Office buildings
    • 0.09 lot acres
    OFF-MARKET
    Value Estimations
    Cap Rate Potential
    Location Intelligence
    Property ID
    US09-5783092
    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

    • S F Firefighters / Labor Union
    • San Francisco Firefighters Cancer Prevention Foundation / Non-Profit Organization
    • SF Firefighters Toy Program / Non-Profit Organization

    Property Details for 1139 Msn St

    Year built
    1922
    Construction
    TILT-UP CONCRETE
    Lot size
    0.09 lot acres
    Zone code
    SLR
    Property type
    Office buildings
    APN
    3727 -097
    APU
    3727097

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

    • CAP approach

    • Comparable approach

    • Alternative Use

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

    Location Insight

    • Map
    • Local Demand
    City
    San Francisco
    County
    San Francisco
    State
    California
    Longitude
    -122.412
    Latitude
    37.7782
    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
    $9,501
    $217,689
    $471,356
    $689,045
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $765,000
      12,864 SF

      113 10th St, Unit 115

      OFFICE BUILDING • 12,864 SF
      113 10th St, San Francisco, CA 94103-2604
      View Details
    • Value Estimation
      $1,130,000
      19,520 SF

      230 8th St, Unit 236

      OFFICE BUILDING • 19,520 SF
      230 8th St, San Francisco, CA 94103-3923
      View Details
    • Value Estimation
      $3,725,000
      24,439 SF

      342 9th St, Unit 346

      OFFICE BUILDING • 24,439 SF
      342 9th St, San Francisco, CA 94103-3809
      View Details
    • Value Estimation
      $700,000
      2,914 SF

      1850 Msn St

      OFFICE BUILDING • 2,914 SF
      1850 Msn St, San Francisco, CA 94103-3502
      View Details
    • Value Estimation
      $16,975,000
      76,975 SF

      814 Msn St

      OFFICE BUILDING • 76,975 SF
      814 Msn St, San Francisco, CA 94103-3018
      View Details
    • Value Estimation
      $3,470,000
      178,720 SF

      901 Msn St, Unit 933

      OFFICE BUILDING • 178,720 SF
      901 Msn St, San Francisco, CA 94103-3052
      View Details

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      2,890 SF

      San Francisco Retail/Office Building

      Rare single identity building with retail, office, and storage space.
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    • $9,500,000
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      Mission Street Executive Offices

      41,715 SF Office Building, San Francisco
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    Similar Nearby for Lease

    • $48 SF/Yr
      3,600 SF

      Full Building Opportunity in SOMA

      Full building opportunity in Western SOMA, San Francisco.
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      6,100 SF

      SOMA Building with Parking

      Building in SOMA featuring large floor plates and parking.
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      13,785 SF

      Renovated Historic Office Building

      Renovated office building with great natural light and parking.
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    • $55 SF/Yr
      25,250 SF

      SOMA Building with High Ceilings

      Full building available for lease in Western SOMA.
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      7,300 SF

      Standalone Boutique Building with High Ceilings

      Four-level building featuring soaring 15' ceilings.
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      View Details
    • Contact for pricing
      20,362 SF

      Class A Office Building

      80,000 SF Class A office building with valet parking.
      899 Howard St, San Francisco, CA 94103
      View Details
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    1139 Msn St
    San Francisco, CA 94103-1514
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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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