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230 Union StreetBrooklyn, NY 11231

For Sale

$3,995,000

Smart Buyer Rebate $49,938

Located in the heart of Carroll Gardens, this beautifully maintained four-story brownstone is rich in historic detail and full of opportunity. With a flexible layout currently configured as a spacious owner's triplex plus two income-generating apartments above, this home offers the perfect blend of charm, space, and investment potential. The parlor level features soaring ceilings, pristine pinewood floors, and stunning original glass-inset pocket doors. A renovated eat-in kitchen with Caesarstone counters and stainless-steel appliances opens to a large deck and lush, low-maintenance backyard, ideal for entertaining or quiet relaxation. A working wood-burning fireplace creates a cozy focal point in the family room. The garden level includes a king-sized primary suite with en-suite bath, three versatile bonus rooms, and laundry. Upstairs, a studio and full-floor one-bedroom apartment offer excellent rental income or guest space options. Easily convert to a single-family or customize to suit your needs, the layout is as adaptable as it is charming. Moments from Carroll Park, the F/G subway, and the best of Court and Smith Streets, this is a rare opportunity to live with income in one of Brooklyn's most sought-after neighborhoods.   All showings and opens houses are by appointment only, please contact us to schedule a viewing.

Listed by Ravi Kantha

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Serhant

·

(914) 224-2191

Listed by Eric Shostak

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Serhant

Last updated October 19, 2025

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Source: REBNY #RLS20016071

Listing Facts

  • TypeMulti-family
  • NeighborhoodCarroll Gardens
  • Bedrooms5
  • Bathrooms4
  • Days on Prevu195
  • Taxes$10,020/year
  • Size3,401 sqft
  • Price per sqft$1,175

Amenities

  • Private Outdoor Space

Location

Mortgage Calculator

Listing History

09/15/2025
Status changed to Active
$3,995,000
09/15/2025
Price Decreased
$3,995,000
08/11/2025
Status changed to Removed from Feed
$4,295,000
04/11/2025
Listed by Serhant
$4,295,000

Estimated Closing Costs

Total
$148,926
Attorney Fees
$4,000
NYC Mansion Tax
$59,925
Title Insurance
$17,978
Bank Attorney
$1,500
Mortgage Recording Tax
$61,523
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $3,995,000 and a 20% downpayment. These estimates are for indicative purposes only. Actual closing costs may vary for each transaction. See the Closing Costs Calculator for calculations specific to your situation.

Property Details for 230 Union Street

Association

Amenities

  • Pets Allowed: Building Yes, No

Exterior

Construction

  • Number Of Units Total: -1
  • Stories Total: 1
  • Structure Type: Townhouse
  • Year Built: 1900
  • Entry Level: 1

Measurements

  • Building Area Total: 3,401
  • Building Area Units: SquareFeet
  • Lot Size Area: 1,667
  • Lot Size Dimensions: 100
  • Lot Size Units: SquareFeet

Financial

Taxes

  • Parcel Number: 00344-0027
  • Tax Annual Amount: $10,020.00

Interior

Features

  • Appliances: Washer Dryer Allowed
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Interior Features: Smoke Free

Measurements

  • Living Area: 3,401
  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 4
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 5
  • Rooms Total: 12

Other

Location

  • City Region: Brooklyn
  • Subdivision Name: Carroll Gardens
  • Tax Block: 00344
  • Tax Lot: 0027

Utilities

Equipment

  • Cooling: Wall Unit(s)
  • Has Cooling: Yes
  • Laundry Features: Washer Hookup, In Unit

Based on information from Real Estate Board of New York and/or other sources. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.