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770 48th Street, Brooklyn, NY 11220

BBL 3007770033 (Borough 3, Block 777, Lot 33) · BIN 3350729, 3012765 · Last updated: · Sunset Park (Central) · ZIP 11220

Summary · as of November 8, 2026

770 48th Street (Brooklyn, NY 11220; tax lot BBL 3007770033) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1910, on a 1,920 sq ft lot zoned R6B. City tax records list the owner as LIN, QIN RU; per ACRIS, a deed to this owner dated November 17, 2009 lists a price of $835,000. The Department of Finance's final market value for tax year 2027 is $1,304,000. As of November 8, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
LIN, QIN RU
Building class
C3 · Walk-up apartments, four families
Year built · units
1910 · 4 res.
Lot area · zoning
1,920 sq ft · R6B
Market value (DOF)
$1,304,000 FY2027
Last priced deed
$835,000 · 2009-11-17
BBL
3007770033
BIN
3350729, 3012765

How to cite: NYC Property Facts, “770 48th Street, Brooklyn, NY 11220 (BBL 3007770033)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/770-48th-street-3007770033. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
LIN, QIN RUThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C3 – Walk-up apartments, four familiesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1910Often an estimate for older buildings. Major alteration recorded: 2021, 2021.
Floors
2
Units
4 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
1,920 sq ft (19.17 ft × 100.17 ft)
Building floor area
3,833 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.00 built / 2.00 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3007770033 (Borough 3, Block 777, Lot 33) · BIN 3350729, 3012765BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; last loaded 2026-11-08; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$1,304,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$586,800The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$44,050Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,304,000$586,8002A
2026Final$1,321,000$594,4502A
2025Final$1,239,000$74,3401

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08

Sales & deed history 3

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2012-07-14DEED$0 / not statedLi, Guo Sheng; Lin, Qin RuLin, Qin Ru2012071001419001
2009-11-17DEED$835,000Estate Of Laurence P. Boland; James L. Boland, As ExecutorLi, Guo Sheng; Lin, Qin Ru2009112400905001
1972-09-29DEED$0 / not statedKelly BridgetBoland Elizabeth M; Boland Laurance PBK_7230058500154

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-08; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-08

DOB job filings 0 open of 17

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Not open
SIGNED OFF · 2023-10-31
340885830
BIS
A3 – Minor alteration (one type of work)2023-04-17—
Not open
Approved · 2022-10-13
B00441636-P2
DOB NOW
Alteration2022-09-22$1,000
Not open
PLAN EXAM - DISAPPROVED · 2022-09-26
340866815
BIS
A3 – Minor alteration (one type of work)2022-09-15—
Not open
Approved · 2022-09-09
B00431185-P2
DOB NOW
Alteration2022-08-30$1,000
Not open
Approved · 2022-09-02
B00441636-P1
DOB NOW
Alteration2022-08-30$1,000
Not open
APPLICATION PROCESSED - ENTIRE · 2022-06-01
340856256
BIS
A3 – Minor alteration (one type of work)2022-06-01—
Not open
APPLICATION PROCESSED - ENTIRE · 2022-06-01
340856265
BIS
A3 – Minor alteration (one type of work)2022-06-01—
Not open
Approved · 2021-12-15
B00431185-P1
DOB NOW
Alteration2021-12-14$1,000
Not open
LOC Issued · 2023-03-31
B00513802-I1
DOB NOW
Alteration2021-05-10$6,000
Not open
LOC Issued · 2023-02-16
B00490298-I1
DOB NOW
Alteration2021-03-26$1,000
Not open
APPLICATION PROCESSED - ENTIRE · 2020-12-21
340798051
BIS
A3 – Minor alteration (one type of work)2020-12-21—
Not open
LOC Issued · 2023-12-18
B00441636-I1
DOB NOW
Alteration2020-12-16$1,000
Not open
LOC Issued · 2023-11-21
B00432101-I1
DOB NOW
Alteration2020-12-16$1,000
Not open
LOC Issued · 2023-09-14
B00431185-I1
DOB NOW
Alteration2020-12-16$1,000
Not open
LOC Issued · 2023-11-21
B00421138-I1
DOB NOW
Alteration2020-10-30$153,320
Not open
SIGNED OFF · 2024-01-30
340740354
BIS
A1 – Major alteration (changes use, egress or occupancy)2020-06-29$754,160
Not open
PLAN EXAM - DISAPPROVED · 2019-10-31
321972889
BIS
A1 – Major alteration (changes use, egress or occupancy)2019-06-27$420,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08

Work permits 11

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2022-09-172022-12-31B00441636-I1
DOB NOW
Sprinklers
PROPOSED SPRINKLER WORK IN CONJUNCTION WITH ALT-1 NUMBER 340740354
Signed-off
2022-09-152023-09-15B00432101-I1
DOB NOW
Mechanical Systems
MECHANICAL WORK IN CONJUNCTION WITH ALTERATION TYPE 1 JOB# 340740354
Signed-off
2022-04-182022-07-15B00441636-I1
DOB NOW
Sprinklers
PROPOSED SPRINKLER WORK IN CONJUNCTION WITH ALT-1 NUMBER 340740354
Signed-off
2021-11-092022-07-21340740354
BIS
AlterationISSUED (renewal)
2021-06-142021-11-01B00421138-I1
DOB NOW
Structural
FILING FOR STRUCTURAL WORK IN CONJUNCTION WITH ALTERATION TYPE 1 APPLICATION #340740354
Signed-off
2021-05-102022-05-10B00513802-I1
DOB NOW
Sidewalk Shed
INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33
Signed-off
2021-04-202022-04-20B00431185-I1
DOB NOW
Plumbing
PROPOSED PLUMBING WORK IN CONJUNCTION WITH ALT-1 NUMBER 340740354.
Signed-off
2021-04-142021-11-01340740354
BIS
AlterationISSUED (initial)
2021-04-092021-11-01340740354
BIS
FoundationISSUED (initial)
2021-04-092021-11-01340740354
BIS
FoundationISSUED (initial)
2021-03-302021-11-01B00490298-I1
DOB NOW
Construction Fence
ERECT TEMPORARY CONSTRUCTION FENCE IN CONJUNCTION WITH ALT-1 #340740354.
Signed-off

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

ECB violations (DOB) 0 active of 3

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2021-04-30CLASS - 23307.1 FAILURE TO COMPLY DOT STIPULATION.AT TIME OF INSPECTION OF A PROPOSED 4 STORY ALT BUILDING,I OBSERVED 2 WORKERS WERE WORKING ON HOUSEKEEPING AND KEEPING THE DEBRIS OUTSIDE AT THE DUMPSTER.I ALSO OBSERVED$0 / $0 / $035508795H
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2021-06-22CLASS - 2BC3303.4.2.3 CONTAINERS HOLDING DEBRIS OR WASTE SHALL BE COVERED@END OF WORKDAY&@ANYTIME WHEN FULL TO HEARRIM CONTAINERS NEED TO BE COVERED WHEN THEY ARENT IN USE OR WHILE STORED IN FULL ENCLOSED SPACE@END OF W$0 / $0 / $035557478P
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2021-04-30CLASS - 2CONSTRUCTION SUPERINTENDENT FAILED TO DO HIS DUTIES.AT THE TIME OF INSPECTION OF A PROPOSED 4 STORY ALT BUILDING,I OBSERVED TWO WORKERS WEREWORKING ONSITE.UPON REVIEWING THEIR DOCUMENTS ON THE SITE BY THE COMPE$2,500 / $2,734 / $035508796J

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

OATH tickets (all agencies) 0 unpaid of 8

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
No balance due
HEARING COMPLETED · IN VIOLATION
2021-06-22Dept. Of BuildingsMISCELLANEOUS VIOLATIONSA76 CONSTRUCTION SERVICE L$0 / $0 / $0035557478P
No balance due
HEARING COMPLETED · IN VIOLATION
2021-04-30Dept. Of BuildingsMISCELLANEOUS VIOLATIONSA7 CONSTRUCTION SERVICE L$0 / $0 / $0035508795H
No balance due
PAID IN FULL · IN VIOLATION
2021-04-30Dept. Of BuildingsCONSTRUCTION SUPERINTENDENT FAILED TO PERFORM DUTIES PER CODEJABBIE ENGINEERING$2,500 / $2,734 / $0035508796J
No balance due
PAID IN FULL
2015-04-04Sanitation DeptLOOSE RUBBISHLIN$100 / $100 / —044430465Y
No balance due
PAID IN FULL
2013-03-09Dos - Enforcement AgentsNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION(1TO8 DWELLING UNITS)LIN$25 / $25 / —041796497X
No balance due
PAID IN FULL
2012-08-04Dos - Enforcement AgentsIMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITSLI$25 / $50 / $-25041425319K
No balance due
PAID IN FULL
2012-01-28Dos - Enforcement AgentsNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITSLI$25 / $25 / —041657218Y
No balance due
PAID IN FULL
2007-08-04Sanitation OthersNON-RECYCLABLES LEFT IN RECYCLING CONTAINER FOR COLLECTIONBOLORD$25 / $25 / —0159105926

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-08; last loaded 2026-11-08

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-08; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-08

HPD housing-code violations 0 open of 0

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-08; last loaded 2026-11-08

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-08; last loaded 2026-11-08

311 requests (last 12 months) 0

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07; a later sync attempt failed on 2026-11-08; showing the last successful load

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Sunset Park (Central): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on 48 St

Same tax block (777), closest first

All properties on 48 St, Brooklyn · Brooklyn 11220

Open-item counts as of November 8, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs