The listing facts are current enough for an initial property review.
521 Dean St Apt 9
Listing Notes
PRICED TO SELL! This is not your typical cookie-cutter apartment! Welcome to 521 Dean St, apt 9, an architectural Loft-like duplex 2bed/2 bath (Converted to a 3 bed) with Private Roof deck, nestled in the heart of Prospect Heights! Low Maintenance! This top floor walkup gem offers an exceptional living experience in a Brooklyn brownstone boutique coop and oozes with Character! It is beautifully kept and offers five spacious rooms, including two bedrooms and two bathrooms, PLUS an additional guest room/den/home office showcasing the timeless elegance and charm of a bygone era. It also boasts great STORAGE space, high ceilings and expansive living spaces Upon entering, you're greeted by an inviting open walk-through layout with generous space for relaxation and entertaining. The main level boasts gleaming hardwood floors, a cozy wood-burning fireplace, and exposed bricks, adding both warmth and character to the expansive living area. The thoughtfully designed kitchen features stainless steel appliances including a dish-washer, sleek cabinetry, durable countertops, and is complemented by an in-unit Washer/Dryer, making everyday chores a breeze. Upstairs, the tranquil primary suite offers peaceful treetop views, ample floor-to-ceiling closets, and a private en-suite bath, providing a sanctuary within this bustling city. The second bedroom, bathed in natural light, offers built-in storage and spaciousness that allows for both privacy and versatility. This flexible space opens to your own private rooftop oasis. Your furry companions are welcome here (with board approval) This exquisite building's location is the cherry on top - conveniently situated on a tree-lined block, you'll have easy access to the bustling energy of the Barclays Center, the cultural offerings of the Brooklyn Academy of Music, Dean Playground, Downtown Brooklyn and the lush beauty of Prospect Park. With a variety of subway lines (2/3, B/D, N/Q/R, 4/5) and the LIRR nearby, the rest of New York City is at your fingertips for work or play. Imagine enjoying weekend shopping adventures. The diverse dining experiences, such as acclaimed dining like Olmsted, Sofreh, and Radio Bakery along the lively Vanderbilt Avenue restaurants are just moments from your doorstep. Don't miss out on this exceptional opportunity to own a piece of Prospect Heights charm. Schedule your showing today and step into a home that blends classic design with all modern conveniences - it's a delightful discovery waiting just for you!
Market Insights
Comparable price-per-square-foot data is still developing for this home.
- 12 nearby properties available for comparison.
- 2 price records are available for this property.
- Square footage is missing, so valuation should lean more heavily on comps and condition.
Estimated Monthly Payment
Assumes 20% down, 7.00% APR over 30 years. Tax and insurance are national-average estimates — your lender quote will differ.
- Principal & interest$7,978
- Property tax (est.)$1,374
- Home insurance (est.)$500
Property Read
Nearby inventory exists, but square-footage or price data is incomplete for a clean median comparison.
Recorded price cuts can create room for negotiation, but the latest ask still needs to be compared against true comps.
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Generated from the facts shown on this page and nearby market data. Not a professional appraisal.
Listing Details
- Days on market
- 28 days
- Last price change
- Down $76,000 (4.8%)
- Listed
- Apr 14, 2026
- Photos
- 17 photos
- Property type
- coop
- Status
- for sale
Features & Amenities
Photos
Building Facts
- Year built
- 1930
- Total units
- 10
- Residential units
- 10
- Building area
- 7,428 sqft
- Lot size
- 3,135 sqft
- Land use
- Multi-family walk-up buildings
- Building class
- C6
From NYC public records where available.
Price History
Public Records
5 total recorded against the building
1 class C (immediately hazardous)
Tax-lot deed, mortgage, and transfer records on file
Top: illegal parking
Top complaint types in ZIP 11217
- Illegal Parking8,564
- Noise - Residential1,358
- HEAT/HOT WATER1,315
- Noise - Street/Sidewalk1,228
- Noise800
Recent DOB
- Aug 12, 2025V*-DOB VIOLATION - DISMISSED · C-CONSTRUCTION OTHER OPTIONAL
- Feb 28, 2025V*-DOB VIOLATION - DISMISSED · C-CONSTRUCTION OTHER OPTIONAL
- Mar 19, 2003V*-DOB VIOLATION - DISMISSED · LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED
- Sep 16, 1997V*-DOB VIOLATION - DISMISSED · LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED
Recent HPD
- Aug 5, 2012Class C · SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY ...
- Aug 5, 2012Class A · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE BASEBOARD AT EAST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 8, 3rd STORY,...
- Aug 5, 2012Class A · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 8, 3rd STORY, 1st APARTMENT FR...
- Aug 5, 2012Class C · § 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06...
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.