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    Property profile & analytics

    4888 21st N Ave Saint Petersburg, FL 33713-3100

    • Apartment buildings
    • 26,716 SF
    • 1.18 lot acres
    OFF-MARKET
    Value Estimations
    $5,175,000
    Show details
    Cap Rate Potential
    Location Intelligence
    Property ID
    US18-1779662
    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 4888 21st N Ave

    Year built
    1965
    Construction
    CONCRETE BLOCKS
    Lot size
    1.18 lot acres
    Property size
    26,716 SF
    Property type
    Apartment buildings
    APN
    16-31-16-59382-000-0010
    APU
    163116593820000010

    Value Estimations

    based on Realmo’s proprietary methodology

    • Comparable approach

      Method
      Estimation
      Statistic Estimate
      $5,172,000
      Market price range: $3.81M - $6.91M
      AI Estimate
      $5,172,000
      Market price range: $3.81M - $6.91M

    • Alternative Use

      Use
      Estimation
      APARTMENT HOUSE (5+ UNITS)
      $5,115,000
      Current use
      NEIGHBORHOOD: SHOPPING CENTER
      $8,495,000
      Change: +66% Conversion: Difficult
      OFFICE BUILDING
      $7,870,000
      Change: +54% Conversion: Moderate
      WAREHOUSE, STORAGE
      $6,865,000
      Change: +34% Conversion: Difficult
      RETAIL STORES
      $6,305,000
      Change: +23% Conversion: Difficult

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

    Location Insight

    • Map
    • Local Demand
    City
    Saint Petersburg
    County
    Pinellas
    State
    Florida
    Longitude
    -82.6993
    Latitude
    27.7906
    CBSA code
    45300
    CBSA name
    TAMPA-ST. PETERSBURG-CLEARWATER, FL 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
    2023
    $0.00
    $0.00
    $0.00
    $3,294,801
    -
    $874,429
    $2,420,372
    $3,294,801

    Comparable in this City

    • Value Estimation
      $9,420,000
      66,013 SF

      3155 Burlington N Ave

      APARTMENT HOUSE (5+ UNITS) • 66,013 SF
      3155 Burlington N Ave, Saint Petersburg, FL 33713-8645
      View Details
    • Value Estimation
      $4,455,000
      17,224 SF

      3855 9th N Ave

      APARTMENT HOUSE (5+ UNITS) • 17,224 SF
      3855 9th N Ave, Saint Petersburg, FL 33713-6043
      View Details
    • Value Estimation
      $830,000
      2,264 SF

      3555 Central Ave

      APARTMENT HOUSE (5+ UNITS) • 2,264 SF
      3555 Central Ave, Saint Petersburg, FL 33713-8405
      View Details
    • Value Estimation
      $11,050,000
      77,446 SF

      3201 Burlington N Ave

      APARTMENT HOUSE (5+ UNITS) • 77,446 SF
      3201 Burlington N Ave, Saint Petersburg, FL 33713-8653
      View Details
    • Value Estimation
      $1,430,000
      5,520 SF

      3200 37th N Ave

      APARTMENT HOUSE (5+ UNITS) • 5,520 SF
      3200 37th N Ave, Saint Petersburg, FL 33713-1500
      View Details
    • Value Estimation
      $1,180,000
      5,056 SF

      3036 6th N Ave

      APARTMENT HOUSE (5+ UNITS) • 5,056 SF
      3036 6th N Ave, Saint Petersburg, FL 33713-6700
      View Details

    Similar Nearby for Sale

    • $2,800,000
      0.15 Acres

      Land in St. Petersburg, FL

      Land with approved plans for multifamily development in St. Petersburg.
      1750 2Nd Ave N, St Petersburg, FL 33713
      View Details
    • $2,800,000
      480 SF

      St. Petersburg Multifamily Development Opportunity

      Pre-construction multifamily development site in St. Petersburg's Edge District.
      1750 2Nd Ave N, St Petersburg, FL 33713
      View Details
    • $2,800,000
      0.14 Acres

      St. Petersburg Multifamily Development Opportunity

      Approved plans for 33 new apartments in St. Petersburg.
      1750 2Nd Ave N, St Petersburg, FL 33713
      View Details
    • $2,250,000
      0.29 Acres

      Prime Development Land Near Central Ave

      Two adjacent lots offer a remarkable development opportunity in St. Petersburg.
      1720 2Nd Ave N, St Petersburg, FL 33713
      View Details
    • $1,515,000
      4,134 SF

      New St. Petersburg Quadruplex

      New construction quadruplex in St. Petersburg with flexible investment options.
      2525 13Th Ave N, St Petersburg, FL 33713
      View Details
    • $960,000
      2,475 SF

      Historic Kenwood Bungalow with Income

      Updated duplex in Historic Kenwood, perfect for income generation.
      2517 3Rd Ave N, St Petersburg, FL 33713
      View Details

    Similar Nearby for Lease

    • Contact for pricing
      5,800 SF

      Retail Space Near Gas Plant

      Retail space adjacent to planned historic district redevelopment.
      201 17Th St S, St Petersburg, FL 33713
      View Details
    • $34,075

      St. Petersburg Office Space For Rent

      Commercial office space with excellent visibility and accessibility.
      3612 5Th Ave N, St Petersburg, FL 33713
      View Details
    • Contact for pricing
      4,984 SF

      Prime Retail Space For Rent

      High-traffic retail space near home improvement stores.
      2599 N 22Nd Ave, St Petersburg, FL 33713
      View Details
    • Contact for pricing

      Land For Rent

      Land available for rent in Saint Petersburg, Florida.
      2784 34Th St S, Saint Petersburg, FL 33713
      View Details
    • $8,000 /Mo
      4,500 SF

      Remodeled Mixed-Use Building For Rent

      Remodeled mixed-use building with office and warehouse space for rent.
      2548 30Th Ave N, St Petersburg, FL 33713
      View Details
    • $24 SF/Yr
      546 SF

      St. Pete Retail/Office Space For Lease

      Prime St. Petersburg location, 550 sq ft.
      2420 25Th St, St. Petersburg, FL 33713
      View Details
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    4888 21st N Ave
    Saint Petersburg, FL 33713-3100
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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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