Listing Courtesy of Douglas Elliman Real Estate
$3,900,000
Potential Rebate: $97,500
<p> 323 5th Avenue - 21.5ft Wide Prime Park Slope Mixed-Use with Retail & Duplex Residence Currently Zoned to PS 321 </p> <p> An exceptional opportunity in the heart of Park Slope, 323 5th Avenue offers a mixed-use building that combines stable commercial tenancy with a spacious duplex residence, encompassing approximately 2,851 square feet including the basement. </p> <p> Ground Floor & Lower Level </p> <p> A preschool currently occupies t he street-level retail storefront provid ing excellent frontage and visibility along bustling Fifth Avenue, benefitting from consistent neighborhood activity. A finished slab basement adds flexible space for storage or back-of-house operations. Tenant is in place through 20 31. </p> <p> Residential Duplex with Terrace currently zoned to PS 321 </p> <p> A newly renovated duplex apartment blends modern comfort with thoughtful design. Hardwood floors run throughout, complemented by double-pane insulated windows. The main level features expansive living and dining areas along with a modern, generously sized kitchen outfitted with updated appliances and ample counter space. The kitchen flows directly to a private terrace of approximately 400 square feet-an ideal setting for grilling, gardening, or outdoor entertaining. A convenient half bath completes this level. </p> <p> Upstairs, the primary suite includes a generous walk-in closet and a modern, upgraded en-suite bathroom. Two additional bedrooms share a second full bathroom, also updated with contemporary finishes. </p> <p> Building Upgrades </p> <p> The property was recently improved with new mechanicals, including two boilers and HVAC systems, providing efficiency and peace of mind for both residential and commercial use. </p> <p> Income / Expense set up available upon request </p> <p> Perfectly positioned near Prospect Park and surrounded by Park Slope's acclaimed restaurants, cafés, and shops, 323 5th Avenue combines commercial stability with desirable residential living in one of Brooklyn's most sought-after neighborhoods. The building also carries approximately 935 square feet of unused FAR; buyers are encouraged to consult with an architect or other professional regarding potential options. </p> <p> </p>
$20,102 per month
30 year fixed, 6.28% Interest
One-time rebate at closing
$97,500
Monthly savings impact
$271/mo
Effective Purchase Price
$3,802,500
(Home Price - Estimated Rebate)
💡 Estimated rebate from our commission
The rebate is paid to you at closing and can help offset closing costs or other expenses.
Calculator Disclaimer: Commission structures vary by property, developer, and transaction. Resale properties typically offer around 3% buyer-side commission, and new developments around 5%, but this is not guaranteed. New developments are often open to negotiation, and each property and transaction is unique. Rebate amounts shown are estimates only. Please confirm commission terms and rebate eligibility with Regis Roumila for the specific property you are interested in. This information is not provided by the Real Estate Board of New York (REBNY).
RLS IDX Data display by Real Estate Rebate Team. 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. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and the number of bedrooms listed is for informational purposes and is not a legal conclusion. Please consult with your own architect or engineer for exact dimensions and legal specifications.
The Real Estate Rebate Team
Listing Courtesy of Douglas Elliman Real Estate
Data Source: TRESTLE #RLS20047909
RLS at REBNY

2.5%
Experience
Member
Listings
RLS IDX Data display by Real Estate Rebate Team. 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. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and the number of bedrooms listed is for informational purposes and is not a legal conclusion. Please consult with your own architect or engineer for exact dimensions and legal specifications.
The Real Estate Rebate Team
Listing Courtesy of Douglas Elliman Real Estate
Data Source: TRESTLE #RLS20047909
RLS at REBNY

Compare average listing prices and value metrics for 323 5TH Avenue against the surrounding Park Slope market.
than the Park Slope price-per-sq-ft average
Units in this building are listed below the neighborhood average, potentially offering better value per square foot compared to surrounding properties.

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