The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$359,000
12399 Flatlands Ave Apt 9L
Brooklyn, NY, 11207
View more Brooklyn, NY property pages2Beds
1Baths
808Sqft
$444$/sqft
Market Insights
Below nearby median-26%
$444/sqft vs a nearby median of $600/sqft.
Nearby median$600/sqft
Nearby properties12
Property size808 sqft
- -26% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 808 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$440k$400k – $480k · 50% confidence
vs ask $359k−$81k (−22.6%)
Asking price is about 22.6% below the fair value — likely to draw competing offers if it's still on market.
$600/sqft median across 12 tight comps × 808 sqft= $484k
- Open Class C HPD violations−$29k −6.0%
- Transit access−$7k −1.5%
- Sparse street life−$7k −1.5%
Cumulative NYC adjustments−$44k−9.0%
Property Read
The asking price per square foot is below the nearby median, which can be worth a closer comp check.
Price history is still limited; review again as more market activity becomes available.
Diligence Read1 item to check
AI ReadinessReady to analyze
Assistant read
Generate a buyer-agent read of this listing — pricing, risks, comp check, and negotiation leverage. Takes a few seconds.
Generated from the facts shown on this page and nearby market data. Not a professional appraisal.
Listing Details
- Days on market
- 43 days
- Last price change
- No change recorded
- Listed
- Mar 30, 2026
- Photos
- 8 photos
- Property type
- condos
- Status
- for sale
Photos
Building Facts
- Total units
- 542
- Residential units
- 540
- Building area
- 9.73 ac
- Lot size
- 10.48 ac
- Land use
- Mixed residential and commercial buildings
- Building class
- RM
From NYC public records where available.
Price History
May 4, 2026Initial record
$359,000for sale
Public Records
DOB violations3 open
47 total recorded against the building
HPD violations318 open
63 class C (immediately hazardous)
ACRIS documents0
Tax-lot deed, mortgage, and transfer records on file
311 calls (12 mo)45,600
Top: illegal parking
Top complaint types in ZIP 11207
- Illegal Parking6,429
- Noise - Residential4,943
- HEAT/HOT WATER4,218
- Blocked Driveway2,932
- UNSANITARY CONDITION2,219
Recent DOB
- Oct 4, 2023V*-DOB VIOLATION - DISMISSED · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Dec 20, 2021V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
- Nov 9, 2020V*-DOB VIOLATION - DISMISSED · C-CONSTRUCTION OTHER OPTIONAL
- Oct 30, 2019V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
Recent HPD
- Apr 8, 2026Class B · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT WEST WALL IN THE 4th ROOM FROM NORTH LOCATED AT APT 9D, 9th STORY, 1st APART...
- Apr 8, 2026Class C · § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRA...
- Apr 8, 2026Class B · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TILES AT SOUTH WALL IN THE BATHROOM LOCATED AT APT 9D, 9th STORY, 1st APARTMENT FROM WEST AT NORTH
- Feb 10, 2026Class C · § 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 9E, 9th STORY, 1st APARTMENT FROM WEST AT NORTH
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.