585 7th Street, Brooklyn, NY 11215
BBL 3010870059 (Borough 3, Block 1087, Lot 59) · BIN 3025713 · Last updated: · Park Slope · ZIP 11215
Summary · as of November 8, 2026
585 7th Street (Brooklyn, NY 11215; tax lot BBL 3010870059) is a two-family home (building class B3: two-family home converted from one-family), built around 1889, on a 1,900 sq ft lot zoned R7B. City tax records list the owner as OLFSON MARK. The Department of Finance's final market value for tax year 2027 is $4,236,000. As of November 8, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off. There was one 311 request in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- OLFSON MARK
- Building class
- B3 · Two-family home converted from one-family
- Year built · units
- 1889 · 2 res.
- Lot area · zoning
- 1,900 sq ft · R7B
- Market value (DOF)
- $4,236,000 FY2027
- Last priced deed
- —
- BBL
- 3010870059
- BIN
- 3025713
- 2Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “585 7th Street, Brooklyn, NY 11215 (BBL 3010870059)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/585-7th-street-3010870059. 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)
- OLFSON MARKThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- B3 – Two-family home converted from one-familyThe Department of Finance’s category for what kind of building this is.
- Land use
- One- & two-family buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1889Often an estimate for older buildings.
- Floors
- 2
- Units
- 2 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,900 sq ft (19 ft × 100 ft)
- Building floor area
- 2,781 sq ft
- Zoning
- R7BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.46 built / 3.00 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).
- Historic district
- Park Slope Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
- Identifiers
- BBL 3010870059 (Borough 3, Block 1087, Lot 59) · BIN 3025713BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
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)
- $4,236,000The 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
- $254,160The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $51,595Assessed value minus any exemptions.
- Tax class
- Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $4,236,000 | $254,160 | 1 |
| 2026 | Final | $3,586,000 | $215,160 | 1 |
| 2025 | Final | $3,361,000 | $201,660 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08
Sales & deed history 4
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2001-08-08 | DEED | $0 / not stated | Corrigan, Lucy; Schapiro, Joshua Y | Olfson, Mark | FT_3690007804569 |
| 1997-09-17 | DEED | $0 / not stated | Watch Tower Bible And Tract Society Of Pennsylvani | Schapiro, Joshua; Corrigan, Lucy | FT_3860005816386 |
| 1997-06-25 | DEED | $0 / not stated | Muntzner, Ann | Watch Tower Bible And Tract Society/Pennsylvania | FT_3120005816412 |
| 1991-03-26 | DEED | $0 / not stated | Gerzel, Elda P | Watch Tower Bible Ts/Pa | FT_3890001606289 |
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 2 open of 4
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.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 2019-04-16 | 321732489 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-05-23 | $10,000 |
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 2013-09-25 | 320546995 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2012-10-03 | $23,849 |
| Not open SIGNED OFF · 2000-03-07 | 300799223 BIS | A3 – Minor alteration (one type of work) | 1998-10-09 | $4,400 |
| Not open SIGNED OFF · 2000-03-07 | 300675561 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1997-10-10 | $22,500 |
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 7
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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2019-04-16 | 2019-08-16 | 321732489 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2013-09-25 | 2014-08-16 | 320546995 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2013-09-04 | 2014-09-04 | 320546995 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2012-11-05 | 2013-08-16 | 320546995 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 1999-05-04 | 1999-11-19 | 300799223 BIS | Alteration / Other / general construction | ISSUED (initial) |
| 1998-04-07 | 1999-04-07 | 300675561 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 1998-04-01 | 1998-12-12 | 300675561 BIS | Equipment work / Other / general construction | ISSUED (initial) |
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 3
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).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2020-02-19 | AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE | FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION | V*021920AEUHAZ100318 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2020-02-19 | AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE | FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION | V*021920AEUHAZ100317 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2014-01-15 | AEUHAZ1-FAIL TO CERTIFY CLASS 1 NONE | FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION | V*011514AEUHAZ101152 |
Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
ECB violations (DOB) 0 active of 4
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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2019-11-21 | CLASS - 1 | I OBSERVED ON OUTSIDE OF HOUSE IN BACKYARD GAS PIPING INSTALLED FOR BBQ AND NO PERMITS ON FILE. CEASED USE BBQ AT TIME OF INSPECTION , OBTAIN PERMIT | $1,250 / $1,250 / $0 | 39013299J |
| Resolved Hearing: ADMIT/IN-VIO · Certification: CERTIFICATE ACCEPTED | 2012-09-10 | CLASS - 1 | FULL *SWO* WORK W/O PERMIT. NOTED: BASEMENT SLAB (REMOVAL) AT AREAS APPROX 16" DEEP. AT EXP #4 EXPOSING RUBBLE FOUNDATION NO FOOTING. ALL BLDGS IN GENERAL VICINITY ARE DESIGNATED LANDMARKS.REM:STOP ALL WORK. OB | $1,600 / $1,600 / $0 | 34948980M |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2019-11-21 | CLASS - 1 | I OBSERVED IN BACKYARD OF PROPERTY GAS PIPING INSTALLED FOR BBQ AND NO PERMITS ON FIL, THEREFORE NO PROPER TESTING WAS PERFORMED ON GAS LINE AS PER DOB, PERFORM TEST | $2,500 / $2,500 / $0 | 39013298H |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 1999-06-08 | Non-Hazardous | WORK CONTRARY TO APPROVED PLAN #300799223-PERMIT ISSUED 5/4/99. HAND RAIL CHANGE FROM STEEL TO WOOD. ACCESSORY WOODEN SEATING & FLOWER BOXES INTERGRATED INTO WOOD HANDRAIL IN FIREPROOFED AREAS. WOOD FRAME | $0 / $0 / $0 | 34210421P |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
OATH tickets (all agencies) 0 unpaid of 6
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL · IN VIOLATION | 2020-07-14 | Dep - Bureau Of Env. Complianc | IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF | PENSKE TRUCK RENTAL | $350 / $350 / $0 | 000671761J |
| No balance due PAID IN FULL · IN VIOLATION | 2019-11-21 | Dept. Of Buildings | FAILURE TO HAVE NEW OR ALTERED PLUMBING SYSTEM TESTED | OLFSON MARK | $2,500 / $2,500 / $0 | 039013298H |
| No balance due PAID IN FULL · IN VIOLATION | 2019-11-21 | Dept. Of Buildings | WORK WITHOUT A PERMIT | OLFSON MARK | $1,250 / $1,250 / $0 | 039013299J |
| No balance due HEARING COMPLETED · IN VIOLATION | 2016-10-08 | FAILURE TO CLEAN 18 INCHES INTO STREET | MARR | $100 / $100 / — | 0192840048 | |
| No balance due PAID IN FULL | 2012-09-10 | Dept. Of Buildings | WORK WITHOUT A PERMIT | OLFSON | $1,600 / $1,600 / — | 034948980M |
| No balance due PAID IN FULL | 2001-08-22 | $25 / $25 / — | 0122615140 |
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) 1
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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-10-30 | NYPD | Abandoned Vehicle – With License Plate | Closed | 2026-10-30 |
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 Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on 7 St
- 583 7th Street (19 ft) (one open item)
- 587 7th Street (19 ft) (nine open items)
- 581 7th Street (37 ft) (one open item)
- 589 7th Street (38 ft) (nine open items)
- 579 7th Street (54 ft) (one open item)
- 591 7th Street (57 ft) (two open items)
Same tax block (1087), closest first
- 116 Prospect Park West (274 ft)
- 117 Prospect Park West (276 ft) (two open items)
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