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    East Flatbush Two-Family Home Title is generated by Realmo AI

    399 E 57th Street, Brooklyn, NY 11203

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    For Sale
    $999,999

    MULTI_FAMILY - Brooklyn, NY

    Property size:
    2,084 SF
    Lot size:
    0.06 Acres
    Price / SF:
    $479/SF
    Added:
    Mar 2, 2026
    Days on Market:
    94
    Last Refresh:
    Jun 4 at 8:06 am

    Property Features for 399 E 57th Street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    R4
    Bedrooms
    5
    Bathrooms
    2
    Rooms
    Bedroom 5, Bathroom 2, Bedroom 3, Bedroom 2, Bedroom 4, Bedroom 1, Bathroom 1
    Parking features
    Carport, Garage - Attached
    Interior features
    A/C Unit - Window, Garage Door Opener(s), Laundry Area, Refrigerator, Stove
    Basement
    Full, Finished
    Standard status
    Active
    Size
    2,084 SF
    Lot size
    0.06 Acres

    Taxes and HOA fees

    Tax Annual Amount
    4705

    Building Details

    Year built
    1955
    Floors in Building
    2
    Number of units
    2
    Flooring type
    Tile, Hardwood
    Building materials
    Brick
    Roof type
    Rubber
    Architectural style
    Ranch

    We can help!

    Listing Contact
    Andre Hanniford

    Listing agent Andre Hanniford

    Listing office Century 21 Achievers 1476 Flatbush Avenue, Brooklyn, NY

    Listing date Mar 2, 2026

    MLS# 499279 Listing URL

    Copyright © 2026 Brooklyn New York Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Two‑family brick home: Ideal for investors or owner‑occupants seeking rental income.
    • Three‑bedroom unit with private balcony over a two‑bedroom unit: Offers flexible living arrangements.
    • Private fenced backyard: Provides outdoor space.
    • Built‑in garage and carport: Offers parking convenience.
    • Basement with separate entrance: Potential for additional living space or rental income.
    • Convenient location: Near Footprints restaurant, Tilden HS, Meyer Levin middle school and other grade schools.

    Overview

    This brick two-family home is located in East Flatbush. The semi-attached property features a three-bedroom, 1.5-bathroom unit with a private balcony, situated above a two-bedroom, 1.5-bathroom unit. The property includes a basement with a separate entrance, a fully fenced private backyard, a built-in garage, and a one-car carport. The property is approximately 2084 square feet and sits on a 0.0574-acre lot. The property is zoned R4. While the property is in good condition, a new roof is needed, along with some cosmetic upgrades. The home is located around the corner from Footprints restaurant and is near Tilden High School, Meyer Levin Middle School, and other grade schools.

    Local Financial Insights For Multifamily LT 5

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $106.3k $51.00
    − Vacancy −$2.0k −$0.97
    EGI $104.3k $50.03
    − OpEx −$31.3k −$15.01
    NOI $73.0k $35.02
    2,084 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $1.04M
    $912.3K – $1.22M (±1% cap)
    NOI $72,985 @ 7.0% cap · market cap 7.30%
    Second Best
    Apartment 5plus
    $908.9K
    $795.3K – $1.06M (±1% cap)
    NOI $63,622 @ 7.0% cap · market cap 6.36%
    Theoretical Best
    Specialty Retail
    $1.73M
    $1.51M – $2.01M (±1% cap)
    NOI $120,789 @ 7.0% cap · market cap 12.08%
    Zoning and permitted uses should be independently verified with local authorities.
    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 Skin Care Clinic

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

    Location Insight

    • Map
    • Local Demand
    City
    Brooklyn
    County
    Kings
    State
    New York
    Longitude
    -73.922669
    Latitude
    40.645928

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    FAQs

    What type of property is this?
    Duplex - Two-family home in East Flatbush with private backyard and garage.
    Where is this duplex located?
    The property is located at 399 E 57th Street Brooklyn, NY.
    What is the asking price?
    The asking price for this property is $999,999.
    What are key features of this property?
    This property features: Two‑family brick home: Ideal for investors or owner‑occupants seeking rental income.; Three‑bedroom unit with **private balcony** over a two‑bedroom unit: Offers flexible living arrangements.; **Private fenced backyard**: Provides outdoor space.
    (718) 758-0600
    We can help!
    Listing Contact
    Andre Hanniford
    Request Owner's contact information
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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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