Add Listing
    Property Lookup
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    4635 Castor Ave Philadelphia, PA 19124-3055
    Back to Search
    Property profile & analytics

    4635 Castor Ave, Philadelphia, PA 19124-3055

    View on Map
    • Apartment buildings
    • 6,450 SF
    • 0.11 lot acres
    Off-Market
    Last Sale Feb 23, 2022
    Property ID
    US73-1102436
    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.
    Value Estimations
    Cap Rate Potential
    Location Intelligence

    Current Use by Public Records

    • Apartment buildings

    Property Details for 4635 Castor Ave

    Year built
    1940
    Construction
    MASONRY/CONCRETE MASONRY UNITS (CMUS)
    Lot size
    0.11 lot acres
    Zone code
    RSA3
    Property type
    Apartment buildings
    APN
    88-1-1044-60
    APU
    881104460

    Sales History

    Date Price Buyer Seller Deed Type Mortgage
    May 22, 2025 — Pa Flats LLC Pa Flats LLC Deed · related —
    Feb 23, 2022 — Pa Flats LLC Berg Northeast LLC Deed —
    Dec 17, 2014 $260,000 Berg Northeast LLC Fotiadis,nikolaos Grant Deed —
    Aug 12, 2014 $200,000 Nikoloas Fotiadis Perkins Barbara Grant Deed —

    Value Estimations

    based on Realmo’s proprietary methodology

    • AI approach

    • CAP approach

    • Comparable approach

    • Alternative Use

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

    Location Insight

    • Map
    • Local Demand
    City
    Philadelphia
    County
    Philadelphia
    State
    Pennsylvania
    Longitude
    -75.0947
    Latitude
    40.0206
    CBSA code
    37980
    CBSA name
    PHILADELPHIA-CAMDEN-WILMINGTON, PA-NJ-DE-MD 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
    $4,787
    $102,600
    $239,400
    $342,000
    -
    $102,600
    $239,400
    $342,000

    Comparable in this City

    • Value Estimation by Request
      2,808 SF

      4441 Elizabeth St

      Multifamily properties
      4441 Elizabeth St, Philadelphia, PA 19124
      View Details
    • Value Estimation
      $3,810,000
      38,730 SF

      4712 Leiper St

      APARTMENT HOUSE (5+ UNITS)
      4712 Leiper St, Philadelphia, PA 19124-3262
      View Details
    • Value Estimation
      $7,700,000
      82,600 SF

      4628 Leiper St

      APARTMENT HOUSE (100+ UNITS)
      4628 Leiper St, Philadelphia, PA 19124-3212
      View Details
    • Value Estimation by Request
      4,740 SF

      1652 Dyre St

      APARTMENT HOUSE (5+ UNITS)
      1652 Dyre St, Philadelphia, PA 19124-1374
      View Details
    • Value Estimation
      $1,885,000
      16,410 SF

      4801 Fillmore Ter, Unit 21

      APARTMENT HOUSE (5+ UNITS)
      4801 Fillmore Ter, Philadelphia, PA 19124-2440
      View Details
    • Value Estimation
      $655,000
      4,863 SF

      1300 Harrison St Frnt 02

      APARTMENT HOUSE (5+ UNITS)
      1300 Harrison St Frnt 02, Philadelphia, PA 19124-5928
      View Details

    Similar Nearby for Sale

    • $350,000
      3,045 SF

      Mixed-Use Investment Opportunity

      Rare mixed-use property with commercial storefront and renovated apartments.
      4723 Frankford Ave, Philadelphia, PA 19124
      View Details
    • New
      $410,000
      1,841 SF

      Philadelphia Multifamily Investment Opportunity

      Income-producing triplex with garage rentals near transportation and amenities.
      5234 Jackson St, Philadelphia, PA 19124
      View Details
    • $385,000
      2,590 SF

      Updated Quadplex in North Philly

      Renovated quadplex with modern finishes and off-street parking.
      1540-42 Adams Ave, Philadelphia, PA 19124
      View Details
    • $238,500
      1,392 SF

      Philadelphia Multifamily Investment Opportunity

      Well-maintained multifamily property near Roosevelt Boulevard with strong income potential.
      1236 E Sanger St, Philadelphia, PA 19124
      View Details
    • $189,000
      1,700 SF

      Refreshed Two-Unit Twin Property

      Two-unit property in Frankford with transit links and rental demand.
      4256 Griscom St, Philadelphia, PA 19124
      View Details
    • Contact for pricing

      Mixed-Use Building with Commercial Spaces

      Four-story mixed-use building with commercial and residential potential.
      4324-26 Frankford Ave, Philadelphia, PA 19124
      View Details

    Similar Nearby for Lease

    • Contact for pricing

      Multi-Level Industrial Warehouse For Lease

      Four-story industrial warehouse in Northeast Philadelphia with flexible space.
      1150 Orthodox St, Philadelphia, PA 19124
      View Details
    • $1,350 /Mo
      1,146 SF

      Retail Space in Philadelphia

      Retail space available for lease in Philadelphia, PA 19124.
      898 Scattergood St, Philadelphia, PA 19124
      View Details
    • $3,300 /Mo
      12,001 SF

      Prime Commercial Space Available

      First-floor commercial space suitable for various businesses near I-95.
      5103-13 Torresdale Ave, Philadelphia, PA 19124
      View Details
    • Contact for pricing

      Industrial Outdoor Storage Opportunity

      2-acre leveled, fenced industrial land with I-95 access.
      3731 Frankford Ave, Philadelphia, PA 19124
      View Details
    • Contact for pricing
      51,000 SF

      Industrial Space in Frankford Section

      50,000 SF industrial space with office in Philadelphia.
      4201 Tacony St, Philadelphia, PA 19124
      View Details
    • $4,000 /Mo

      Retail Space on Frankford Avenue

      Retail space available for lease on Frankford Avenue.
      5009 Frankford Ave, Philadelphia, PA 19124
      View Details
    Request Owner's contact information
    Message sent successfully
    Error
    If you are the owner or broker of this property and would like to edit or remove this listing please send a message to web site administrator.
    4635 Castor Ave
    Philadelphia, PA 19124-3055
    Message sent successfully
    Error
    Email to Your Friends
    Link copied to clipboard
    Separate multiple addresses with a comma
    Message sent successfully
    Error

    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
    Thanks! Your message was sent.
    Error! Your message wasn't sent.
    Please enter your name
    Please enter email
    Please enter the email in the correct format
    Please enter phone
    Please enter the number in the correct format
    Please enter message
    Thank You

    You are Unsubscribed From Notifications

    Thank You for Inquiry
    4635 Castor Ave, Philadelphia, PA, 19124
    letter with green check mark
    Check your email
    We sent you the
    agent's contact details. yellow underline
    Can't find it?
    Please check your junk/spam folder.
    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!