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    Property profile & analytics

    640 Martin Ave Rohnert Park, CA 94928-7993

    • Industrial properties
    • 8,668 SF
    • 0.20 lot acres
    OFF-MARKET
    Value Estimations
    $1,700,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US10-3136708
    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

    • Industrial properties

    Property Details for 640 Martin Ave

    Year built
    1990
    Construction
    WOOD
    Lot size
    0.20 lot acres
    Property size
    8,668 SF
    Property type
    Industrial properties
    APN
    143-930-070-000
    APU
    143930070000

    Value Estimations

    based on Realmo’s proprietary methodology

    • CAP approach

      CAP Return
      Estimation
      6%
      $2,130,000
      6.5%
      $1,965,000
      7%
      $1,825,000

    • Alternative Use

      Use
      Estimation
      INDUSTRIAL (GENERAL)
      $2,805,000
      Current use
      AUTO REPAIR, GARAGE
      $2,740,000
      Change: -2% Conversion: Easy

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

    Location Insight

    • Map
    • Local Demand
    City
    Rohnert Park
    County
    Sonoma
    State
    California
    Longitude
    -122.723
    Latitude
    38.354
    CBSA code
    42220
    CBSA name
    SANTA ROSA-PETALUMA, 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
    $14,956
    $388,535
    $911,053
    $1,299,588
    -
    $0.00
    $0.00
    $0.00

    Comparable in this City

    • Value Estimation
      $13,430,000
      58,407 SF

      635 Park Ct

      INDUSTRIAL (GENERAL) • 58,407 SF
      635 Park Ct, Rohnert Park, CA 94928-7940
      View Details
    • Value Estimation
      $2,270,000
      10,544 SF

      642 Martin Ave

      CONDOMINIUMS (INDUSTRIAL) • 10,544 SF
      642 Martin Ave, Rohnert Park, CA 94928-7995
      View Details
    • Value Estimation by Request
      1,300 SF

      566 Martin Ave, Unit A-3

      CONDOMINIUMS (INDUSTRIAL) • 1,300 SF
      566 Martin Ave, Rohnert Park, CA 94928-2059
      View Details
    • Value Estimation by Request
      1,300 SF

      566 Martin Ave, Unit A-4

      CONDOMINIUMS (INDUSTRIAL) • 1,300 SF
      566 Martin Ave, Rohnert Park, CA 94928-2059
      View Details
    • Value Estimation
      $815,000
      2,090 SF

      5215 Redwood Dr

      MIXED USE (COMMERCIAL/INDUSTRIAL) • 2,090 SF
      5215 Redwood Dr, Rohnert Park, CA 94928-7019
      View Details
    • Value Estimation
      $12,585,000
      74,350 SF

      5505 Redwood Dr

      INDUSTRIAL (GENERAL) • 74,350 SF
      5505 Redwood Dr, Rohnert Park, CA 94928-2098
      View Details

    Similar Nearby for Sale

    • Contact for pricing
      21,773 SF

      Cold Storage Warehouse Distribution Facility

      Cold storage warehouse on 3.02 acres with development potential.
      5980 State Farm Dr, Rohnert Park, CA 94928
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      27,274 SF

      Rohnert Park Office Building Investment

      Three-story office building fully leased in Sonoma County.
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    • $699,000
      0.61 Acres

      Versatile Commercial Lot in Rohnert

      Commercial lot with multiple use possibilities in Rohnert Park, CA.
      6603 Redwood Dr, Rohnert Park, CA 94928
      View Details
    • Contact for pricing

      Rohnert Park Land Parcel

      2.2 acre commercial land near Graton Resort & Casino.
      80 Golf Course Dr W, Rohnert Park, CA 94928
      View Details
    • $2,400,000

      Rohnert Park Investment Opportunity

      Prominent Rohnert Park investment property with income and upside.
      5755 Redwood Dr, Rohnert Park, CA 94928
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    • $1,379,000
      7,816 SF

      Renovated Office Building in Rohnert

      Two-story office building in Rohnert Park's medical district.
      1370 Medical Center Dr, Rohnert Park, CA 94928
      View Details

    Similar Nearby for Lease

    • Contact for pricing
      66,438 SF

      Rohnert Park Warehouse Space

      Air-conditioned warehouse with dock doors available for lease.
      5505 Redwood Dr, Rohnert Park, CA 94928
      View Details
    • Contact for pricing

      Rohnert Park Flex Space Available

      Flex space with office, warehouse, and highway visibility for lease.
      5350 Commerce Blvd, Rohnert Park, CA 94928
      View Details
    • Contact for pricing
      12,332 SF

      Rohnert Park Warehouse Space Available

      54,840 SF warehouse space for lease in Rohnert Park.
      1200 Valley House Dr, Rohnert Park, CA 94928
      View Details
    • $1.25 SF/Yr
      3,100 SF

      Rohnert Park Warehouse Space Available

      Warehouse space featuring roll-up doors and a small office.
      5750-5798 Commerce Blvd, Rohnert Park, CA 94928
      View Details
    • Contact for pricing
      38,313 SF

      Rohnert Park Flex/Industrial Space

      Flex/industrial space featuring open layout, offices, and high ceilings.
      1500 Valley House Dr, Rohnert Park, CA 94928
      View Details
    • $1.25 SF/Yr

      Small Warehouse Space For Lease

      Small warehouse space with easy highway access and nearby amenities.
      554 Martin Ave, Rohnert Park, CA 94928
      View Details
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    640 Martin Ave
    Rohnert Park, CA 94928-7993
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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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