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    Brooklyn Two-Family Home with Garage Title is generated by Realmo AI

    621 Avenue Y, Brooklyn, NY 11235

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    Claim this Listing
    Pending
    $949,000

    MULTI_FAMILY - Brooklyn, NY

    Lot size:
    0.05 Acres
    Added:
    Jan 10, 2026
    Days on Market:
    145
    Last Refresh:
    Jun 4 at 5:06 am

    Property Features for 621 Avenue Y

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Bedrooms
    3
    Bathrooms
    2
    Rooms
    Bedroom 2, Bathroom 1, Bedroom 1, Bathroom 2, Bedroom 3
    Parking features
    Driveway, Garage
    Interior features
    First Floor Bedroom, First Floor Full Bath
    Standard status
    Pending
    APN
    07201-0069
    Lot size
    0.05 Acres

    Taxes and HOA fees

    Tax Year
    2026
    Tax Annual Amount
    7007

    Utilities

    Sewer type
    Public Sewer
    Heating system
    Hot Water(Heating), Natural Gas
    Water source
    Public

    Building Details

    Year built
    1945
    Number of units
    2
    Flooring type
    Tile, Hardwood, Combination, Carpet
    Building materials
    Brick

    We can help!

    Listing Contact
    Marisa A. Filardo
    Marisa A. Filardo

    Listing agent Marisa A. Filardo License #10401320053

    Listing office Douglas Elliman Real Estate 390 Franklin Ave, Huntington Station, NY

    Listing date Jan 10, 2026

    MLS# 950510 Listing URL

    Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Prime Gravesend location.
    • Two spacious apartments, including a 1 bedroom and a 2 bedroom.
    • Garage and driveway parking.
    • Backyard.
    • Convenient access to Coney Island Ave. and Sheepshead Bay Rd. establishments.
    • Multiple transportation options with buses and the Sheepshead Bay B/Q Train station nearby.

    Overview

    Located in Gravesend, Brooklyn, this two-family property offers an opportunity for residential income. The home features two apartments: a one-bedroom unit on the first floor and a two-bedroom unit on the second floor. Both apartments include closet and storage space. The property has a mix of tile and carpet floors. Outdoor features include a backyard, a one-car garage, and a driveway with space for an additional vehicle. The property is located near Coney Island Avenue and Sheepshead Bay Road, providing access to various establishments. It is also near the Homecrest Playground, Mellett Playground, P.S. 153, and P.S. 209. Transportation options include access to the B1, B2, B3, B4, B31, B36, B49, and B68 buses, the Sheepshead Bay B and Q Train station, Ocean Parkway, Shore Parkway, and Belt Parkway. The lot size is 0.0505 acres.
    Property Profile Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Law Firm Restaurant Real Estate Agency Spa & Massage Center Dental Office Hair Salon Nail Salon Food Market Gym & Fitness Center Grocery & Convenience Store

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Brooklyn
    County
    Kings
    State
    New York
    Longitude
    -73.96364
    Latitude
    40.589353

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    FAQs

    What type of property is this?
    Duplex - Two-family property in Gravesend with yard, garage, and driveway.
    Where is this duplex located?
    The property is located at 621 Avenue Y Brooklyn, NY.
    What is the asking price?
    The asking price for this property is $949,000.
    What are key features of this property?
    This property features: Prime Gravesend location.; Two spacious apartments, including a 1 bedroom and a 2 bedroom.; Garage and driveway parking.
    (516) 404-3460
    We can help!
    Listing Contact
    Marisa A. Filardo
    Marisa A. Filardo
    Real Estate License ID: 10401320053
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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.

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