The listing facts are current enough for an initial property review.
for saleRealtyLens property overview
$225,000
2251 Knapp St Apt 1A
Brooklyn, NY, 11229
View more Brooklyn, NY property pages3Beds
1Baths
1,100Sqft
$205$/sqft
Market Insights
Below nearby median-31%
$205/sqft vs a nearby median of $299/sqft.
Nearby median$299/sqft
Nearby properties8
Property size1,100 sqft
- -31% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 1,100 sqft creates a usable price-per-square-foot read.
Pricing Read
Yardstick fair value$288k$262k – $314k · 50% confidence
vs ask $225k−$63k (−28.0%)
Asking price is about 28.0% below the fair value — likely to draw competing offers if it's still on market.
$299/sqft median across 7 tight comps × 1,100 sqft= $329k
- Open Class C HPD violations−$20k −6.0%
- Transit access−$10k −3.0%
- Days-on-market gravity−$7k −2.0%
- Sparse street life−$5k −1.5%
Cumulative NYC adjustments−$41k−12.5%
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 Read2 items to check
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Listing Details
- Days on market
- 120 days
- Last price change
- No change recorded
- Listed
- Jan 12, 2026
- Photos
- 12 photos
- Property type
- coop
- Status
- for sale
Photos
Building Facts
- Year built
- 1953
- Stories
- 6
- Total units
- 162
- Residential units
- 162
- Building area
- 4.01 ac
- Lot size
- 1.93 ac
- Land use
- Multi-family elevator buildings
- Building class
- D4
From NYC public records where available.
Price History
May 4, 2026Initial record
$225,000for sale
Public Records
DOB violations1 open
11 total recorded against the building
HPD violations68 open
12 class C (immediately hazardous)
ACRIS documents207
Tax-lot deed, mortgage, and transfer records on file
311 calls (12 mo)30,565
Top: illegal parking
Top complaint types in ZIP 11229
- Illegal Parking6,081
- Noise - Residential3,246
- Blocked Driveway2,956
- HEAT/HOT WATER2,271
- Abandoned Vehicle1,158
Recent DOB
- Sep 2, 2020V-DOB VIOLATION - ACTIVE · AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE
- Jan 12, 2012V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
- Mar 12, 2008V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
- Jan 9, 2007V*-DOB VIOLATION - Resolved · E-ELEVATOR ELEVATORREQUIRED
Recent HPD
- Dec 5, 2025Class B · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT THE COMPACTOR CLOSET DOOR AT PUBLIC HALL, 1st STORY
- Dec 5, 2025Class 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 AT THE COMPA...
- Dec 20, 2023Class B · § 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING AT PUBLIC HALL, 6th STORY
- Dec 20, 2023Class B · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WITH FIRE RETARDANT MATERIALS AT CEILING AT PUBLIC HALL, 6th STORY
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.