NOT LISTED FOR SALE

509 6th Ave Brooklyn, NY 11215

South Slope Neighborhood

Estimated Value: $2,313,000 - $2,412,000

3 Beds
1.5 Baths
1,890 Sq Ft
$1,255/Sq Ft Est. Value

Sale Details

Date Sold: September 30, 2025

Last sale price $2,300,000 $1,217 Per Sq Ft

Est. 3% increase in value since last sale

Current estimated payment $13,493 / mo

65 Days on Market

Highlights

  • Wood Flooring
  • High Ceiling
  • Crown Molding
  • Magnet School of Math Science & Design Technology Rated A-
  • Built-In Features
  • Patio

About This Home

As of September 2025

Oh how sweet it is ... Location, Location Location

Welcome to 509 6th Avenue , a 2 family Federal Brick Townhouse currently being used as single family ideally located on leafy and charming 6th Avenue.The property offers classic old world charm and an excellent location, within 1 block of Park Slope's major shopping boulevards.

As you step inside the garden level, the 15 foot wide home features a spacious room that can be transformed into a family room or living room and has an internal walkway with built-in China closet and pantry that leads you to an eat-in kitchen. The eat in kitchen is in the rear of the garden level and needs updating. Your kitchen overlooks a spacious raised garden bed. It’s a perfect spot for morning coffee, dining al fresco, honing your grilling skills, or the backdrop for a private yoga mediations session. The backyard offers endless possibilities for outdoor living and with a northwestern exposure ensuring plenty of natural light.

The house has approximately 2936 square feet of FAR* to build up or out! with unused FAR of 1,042, so there’s room to expand and customize to suite your needs.*Please consult an architect for confirmation on FAR.)The parlor floor is very bright and features two large and sun drenched rooms The southern and northern exposures and high ceilings ensure that the home is bathed in natural light throughout the day, creating a warm and inviting atmosphere in every room. The top floor features three well-appointed bedrooms including large L shaped sun drench bedroom with an albaster marble fireplace. In the center of the top floor, is a bright bathroom enhanced by a skylight and showcasing a classic black-and-white design with subway tiles, a spacious vanity, and a large claw footed tub.
The kitchen and bathroom are functional but could certainly use updating.

The home is located three block from Prospect Park, the F/G subway and Nitehawk Cinema. There are many restaurants and shops within a few blocks and within steps to Muse Cafe, Mariella, Crosta, Piccoli Trattoria, and Athena. CItibike station is located at the end of the block.
Photos are virtually staged
Call for a private showing.

Last Agent to Sell the Property

Claudia Caicedo

Compass License #40CA0973335 Listed on: 04/22/2025

Compass

Co-Listed By

Fouad Rahme

Compass License #10301217357

Last Buyer's Agent

Judith Lief

Corcoran Group License #10301205377

Corcoran Group

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Townhouse Details

Home Type

  • Townhome

Est. Annual Taxes

  • $4,116

Year Built

  • Built in 1899

Lot Details

  • Lot Dimensions are 15.000000x97.830000
  • Private Entrance

Home Design

  • Entry on the 1st floor

Interior Spaces

  • 1,890 Sq Ft Home
  • 2-Story Property
  • Built-In Features
  • Crown Molding
  • High Ceiling
  • Decorative Fireplace
  • Wood Flooring
  • Basement Fills Entire Space Under The House

Bedrooms and Bathrooms

  • 3 Bedrooms

Laundry

  • Dryer
  • Washer

Outdoor Features

  • Patio

Utilities

  • No Cooling
  • No Heating

Community Details

  • 2 Units
  • Park Slope Subdivision

Listing and Financial Details

  • Legal Lot and Block 5 / 01030

Townhouse Details

Home Type

Townhome

Est. Annual Taxes

$4,116

Year Built

Built in 1899

Lot Details

0 Sq Ft Lot

Listing Details

  • Property SubType: Duplex
  • Property Type: Residential
  • Neighborhood: Park Slope
  • Entry Level: 1
  • Structure Type: Duplex, Townhouse
  • CustomProperty: { "WeeklyRate": null, "OffMarketDate": "2025-09-30", "LivingAreaRange": null, "GuestHouseYN": null, "Lang2_Type": null, "AboveGradeUnfinishedAreaRange": null, "GuestHouseAreaTotalUnits": null, "PrivateShowingInstructions": null, "NumberOfBoatSlips": null, "LotSizeRangeUnits": null, "LakeId": null, "BuildingAreaTotalRange": null, "HumanModifiedYN": false, "MineralRights": null, "LotSizeRangeSource": null, "Permission": null, "Membership": null, "ModificationTimestamp": "2026-08-05T16:17:04.230-00:00", "Restrictions": null, "BoatDockSlipFeatures": null, "OffersReviewDate": null, "AdditionalFeeFrequency": null, "PotentialShortSale": null, "TitleCompanyPhone": null, "LeaseAmountPerAreaUnit": null, "AssociationFeeTotal": null, "PropertyAccess": null, "AdditionalFee": null, "LakeSize": null, "LivingAreaRangeHigh": null, "LotSizeAreaRangeLow": null, "GarageArea": null, "BelowGradeFinishedAreaRange": null, "BuildingAreaTotalRangeSource": null, "GarageAreaUnits": null, "AdditionalFeeYN": false, "LakeChainName": null, "BelowGradeFinishedAreaRangeUnits": null, "DevelopmentName": null, "TaxAuthority": null, "ProjectName": null, "WaterAccessYN": null, "AssociationFeeTotalFrequency": null, "ListOfficeMlsId": "7222", "GarageDimensions": null, "BelowGradeBedrooms": null, "MembershipRequiredYN": null, "AboveGradeBedrooms": null, "GulfAccessYN": null, "TaxAssessedValueImprovement": null, "AboveGradeUnfinishedAreaRangeSource": null, "OtherExpenseDescription": null, "MembershipFeeFrequency": null, "ListingKeyNumeric": 1112018204, "AdditionalInfo3": null, "BoatDockSlipDescription": null, "AdditionalInfo1": null, "PublicRemarks_lang2": null, "AdditionalInfo2": null, "PublicRemarks_lang3": null, "SourceFloorPlansCount": null, "LastMonthRentReqYN": null, "AboveGradeUnfinishedAreaRangeUnits": null, "ListAOR": null, "ThirdPartyIntegrationType": null, "BuildingAreaTotalRangeUnits": null, "PricePerAreaUnit": null, "FractionalShare": "50.00", "TitleCompanyName": null, "AboveGradeFinishedAreaRangeSource": null, "BelowGradeFinishedAreaRangeSource": null, "OriginatingSystemKey": "30719110", "GuestHouseAreaTotalSource": null, "LeaseTermsDescription": null, "PropertyType": "Residential", "LivingAreaRangeUnits": null, "OriginatingSystemName": "RLS", "BelowGradeUnfinishedAreaRangeSource": null, "LandTenure": null, "OffSeasonRate": null, "Attic": null, "MembershipFee": null, "BoatDockAccommodates": null, "PropertySubTypeAdditional": null, "PricePerArea": null, "BoatDockYN": null, "BonusAmount": null, "GuestHouseAreaTotal": null, "ListingKey": "1112018204", "GuestHouseDescription": null, "SecurityDepositYN": null, "SourceSupplementPublicCount": null, "SaleOrLeaseIncludes": null, "AdditionalFeeDescription": null, "InternetEntireListingDisplayYN": true, "SeasonRate": null, "ComplexName": null, "StoriesPartial": null, "CustomFields": "{\n \"ElevatorsTotal\": \"0\",\n \"PercentOfCommonElements\": \"50.00\",\n \"TaxAbatementYN\": \"0\",\n \"BuildingTaxLot\": \"0005\",\n \"AttendanceType\": \"None\",\n \"PrivateOutdoorSpaceSize\": \"GreaterThan60SqFt\",\n \"BuyerAgentRLSParticipantYN\": \"1\",\n \"FurnishedListPrice\": \"2300000.00\",\n \"MaximumFinancingPercent\": \"100.00\",\n \"SponsorUnitYN\": \"0\",\n \"ListingKey\": \"1112018204\"\n}", "BoatDockHeight": null, "AvailabilityType": null, "LakeName": null, "OriginatingSystemSubName": "RLS_REBNY", "RiverName": null, "BelowGradeUnfinishedAreaRangeUnits": null, "ListOfficeKey": "5658932", "TaxYearRange": null, "NumberOfBoatDocks": null, "LotSizeAreaRangeHigh": null, "TaxAssessedValueLand": null, "StandardStatus": "Closed", "GulfAccessType": null, "BoatSlipYN": null, "StormProtection": null, "LivingAreaRangeSource": null, "LeaseAmountPerArea": null, "TitleCompanyAddress": null, "MonthlyRate": null, "WaterAccessDescription": null, "SecurityDepositDescription": null, "TaxRate": null, "BelowGradeUnfinishedAreaRange": null, "MembershipDescription": null, "TitleCompanyPreferred": null, "AboveGradeFinishedAreaRangeUnits": null, "AboveGradeFinishedAreaRange": null, "LivingAreaRangeLow": null, "BuildingSizeDimensions": "15.000000x42.000000", "PropertySubType": "Duplex", "UnitLocation": null, "ConsumerRemarks": null, "LotSizeRange": null, "OffersDescription": null, "Lang3_Type": null, "StoriesPartialTotal": null, "Location": null, "ListingId": null, "RentSpreeYN": null, "RentSpreeURL": null, "ApplicationFee": null, "CommunityDevelopmentDistrictYN": null, "SourceSystemKey": null }
  • Special Features: None
  • Property Sub Type: Townhouses
  • Stories: 2

Interior Features

  • Interior Features: Built-in Features, Crown Molding, High Ceilings
  • Appliances: Dryer, Washer
  • Fireplace Features: Decorative
  • Fireplaces: 1
  • Fireplace: Yes
  • Flooring: Hardwood
  • Living Area: 1890.0
  • Living Area Units: Square Feet
  • Basement: Yes
  • Basement: Full

Beds/Baths

  • Full Bathrooms: 1
  • Half Bathrooms: 1
  • Bathrooms Integer: 2
  • Bedrooms: 3

Exterior Features

  • View: No
  • Exterior Features: Private Entrance, Private Outdoor Space Over 60 Sqft
  • Patio/Porch Features: Patio

Garage/Parking

  • Garage: No
  • Attached Garage: No

Utilities

  • Laundry Features: See Remarks
  • Cooling: No
  • Heating: No

Condo/Co-op/Association

  • Common Charge/Maintenance Fee Frequency: Monthly
  • Common Interest: None

Lot Info

  • Lot Size Units: Square Feet
  • Lot Size Dimensions: 15.000000x97.830000

Building Info

  • New Construction: No
  • Units: 2
  • Total Stories: 2
  • Year Built: 1899

Rental Info

  • Furnished: Unfurnished

Tax Info

  • Tax Block: 01030
  • Tax Lot: 5
  • Tax Annual: 4116.0

Multi Family

  • Building Area Units: Square Feet

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
Apr 23, 2026
Sold by
Bukberg Adam and Bukberg Ana Lynn
Bought by
Current Estimated Value
$2,372,000

Purchase Details

Listed on
Apr 22, 2025
Closed on
Sep 30, 2025
Sold by
Finney-Murphy As Trustee Louise and John D Murphy Revocable Trust
Bought by
Bukberg Adam and Bukberg Ana Lynn
Seller's Agent
Claudia Caicedo
Compass
Buyer's Agent
Judith Lief
Corcoran Group
List Price
$2,500,000
Sold Price
$2,300,000
Premium/Discount to List
-$200,000
-8%
Views
35

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
3.26%
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in South Slope, NY

  • Cheryl Rosenthal Real Estate Agent - Realty Trends Corp

    Cheryl Rosenthal

    Responds Quickly

    Realty Trends Corp

    (516) 518-7267

    159 Total Sales

    1 in South Slope

    $2,999,999 Price

    Cheryl Rosenthal
     Section Image
  • Javier Lattanzio Real Estate Agent - Time Equities Inc

    Javier Lattanzio

    Time Equities Inc

    (646) 553-4068

    39 Total Sales

    1 in South Slope

    $962,246 Price

    Javier Lattanzio
     Section Image
  • Victoria Alexander Real Estate Agent - Realty Collective LLC

    Victoria Alexander

    Realty Collective LLC

    (888) 410-6137

    32 Total Sales

    1 in South Slope

    $1,685,000 Price

    Victoria Alexander
     Section Image
  • Teri Cavanaugh Real Estate Agent - Corcoran Group

    Teri Cavanaugh

    Corcoran Group

    (628) 800-0923

    32 Total Sales

    5 in South Slope

    $695K - $2.8M Price Range

    Teri Cavanaugh
     Section Image
  • Ronita Kalra Real Estate Agent - Compass

    Ronita Kalra

    Compass

    (347) 652-2182

    52 Total Sales

    1 in South Slope

    $1,295,000 Price

    Ronita Kalra
     Section Image
  • Phil Wells Real Estate Agent - Corcoran Group

    Phil Wells

    Corcoran Group

    (855) 219-7680

    29 Total Sales

    1 in South Slope

    $1,250,000 Price

    Phil Wells
     Section Image
See All Agents

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
-- --
Bukberg Adam $2,300,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Closed $55,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
09/30/2025 09/30/25 Sold $2,300,000 -8.0% $1,217 / Sq Ft
06/26/2025 06/26/25 Pending -- -- --
04/22/2025 04/22/25 For Sale $2,500,000 -- $1,323 / Sq Ft
Source: Real Estate Board of New York (REBNY)

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $4,116 $141,480 $24,360 $117,120
2025 $3,886 $160,560 $24,360 $136,200
2024 $3,886 $130,380 $24,360 $106,020
2023 $3,929 $159,660 $24,360 $135,300
2022 $3,803 $132,720 $24,360 $108,360
2021 $191 $102,480 $24,360 $78,120
2019 $3,287 $130,800 $24,360 $106,440
2016 $3,014 $15,078 $4,257 $10,821
2015 $1,598 $14,230 $6,026 $8,204
2014 $1,598 $13,436 $5,372 $8,064
Source: Public Records

Agents Affiliated with this Home

  • Claudia Caicedo Real Estate Agent - Compass

    Seller's Agent in 2025

    Claudia Caicedo

    Compass

    (917) 435-5554

    3 in this area

    16 Total Sales

    Claudia Caicedo
    Section Image
  • Fouad Rahme Real Estate Agent - Compass

    Seller Co-Listing Agent in 2025

    Fouad Rahme

    Compass

    (646) 207-6081

    6 in this area

    52 Total Sales

    Fouad Rahme
    Section Image
  • Judith Lief Real Estate Agent - Corcoran Group

    Buyer's Agent in 2025

    Judith Lief

    Corcoran Group

    (718) 788-5471

    9 in this area

    72 Total Sales

    Judith Lief
    Section Image
See All Agents

Map

Source: Real Estate Board of New York (REBNY)

MLS Number: RLS20017916

Real Estate Board of New York (REBNY)

APN: 01030-0005

New York Kings County Brooklyn 11215 South Slope

509 6th Ave, Brooklyn, NY

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Real Estate Board of New York (REBNY) This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved.

RLS Data display by Homes.com LLC

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