# 110 Prospect Place, Park Slope, Brooklyn, NY 11217 BBL 3009390026 · Block 939 · Lot 26 · BIN 3018939 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/110-prospect-place-3009390026 Last updated: 2026-11-07 · Open-item counts as of 2026-11-09 ## Summary 110 Prospect Place (Brooklyn, NY 11217; tax lot BBL 3009390026) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1899, on a 2,100 sq ft lot zoned R6B. City tax records list the owner as EFRON RACHEL. The Department of Finance's final market value for tax year 2027 is $4,866,000. As of November 9, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.) How to cite: NYC Property Facts, “110 Prospect Place, Brooklyn, NY 11217 (BBL 3009390026)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/110-prospect-place-3009390026. Source: NYC Open Data. ## Neighborhood Park Slope: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/unpaid-oath-tickets ## ZIP Brooklyn 11217: https://nycpropertyfacts.com/ny/brooklyn/11217 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - 112 Prospect Place (20 ft): https://nycpropertyfacts.com/ny/brooklyn/112-prospect-place-3009397501 - 108 Prospect Place (21 ft): https://nycpropertyfacts.com/ny/brooklyn/108-prospect-place-3009390025 - 114 Prospect Place (41 ft): https://nycpropertyfacts.com/ny/brooklyn/114-prospect-place-3009390028 - 106 Prospect Place (42 ft): https://nycpropertyfacts.com/ny/brooklyn/106-prospect-place-3009390024 - 104 Prospect Place (61 ft): https://nycpropertyfacts.com/ny/brooklyn/104-prospect-place-3009390023 - 116 Prospect Place (62 ft): https://nycpropertyfacts.com/ny/brooklyn/116-prospect-place-3009390029 - 280 Flatbush Avenue (113 ft): https://nycpropertyfacts.com/ny/brooklyn/280-flatbush-avenue-3009390031 - 284 Flatbush Avenue (141 ft): https://nycpropertyfacts.com/ny/brooklyn/284-flatbush-avenue-3009390033 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 1 | | Active DOB violations (BIS) | 0 | | Active DOB safety violations (DOB NOW) | 0 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: EFRON RACHEL - Building class: C0 – Three-family walk-up - Year built: 1899 - Floors: 3 - Units: 3 residential / 3 total - Lot area: 2,100 sq ft · Building area: 3,780 sq ft - Zoning: R6B, R7A, C2-4 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-09 ## Tax assessment - Tax year 2027 (final roll): market value $4,866,000, assessed value $291,960, tax class 1 - Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws) ## Sales & deeds (ACRIS) Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots. | Date | Status | Description | Source | |---|---|---|---| | 1994-07-20 | recorded (DEED) | DEED dated 1994-07-20 from ANTONCIC, MARK; ANTONCIC, PATRICIA to EFRON, RACHEL, no price stated ($0). | bnx9-e6tj | | 1986-07-01 | recorded (DEED) | DEED dated 1986-07-01 from 108-110 PROSPECT PLASOC to ANTONCIC, MARK A; ANTONCIC, PATRICIA A, no price stated ($0). | bnx9-e6tj | | 1983-11-29 | recorded (DEED) | DEED dated 1983-11-29 from AMATO, CHARLES G; BONVINO, FRANK P EX/OF to 108-110 PROSPECT PLASSO, no price stated ($0). | bnx9-e6tj | | 1980-03-18 | recorded (DEED) | DEED dated 1980-03-18 from VERON CORP; FREEHOLD CHOO CHOU to BONVINO FRANK P; AMATO CHARLES G, no price stated ($0). | bnx9-e6tj | | 1978-11-06 | recorded (DEED) | DEED dated 1978-11-06 from CAPONE FELIX to FREEHOLD CHOO CHOO VERON CORP, no price stated ($0). | bnx9-e6tj | | 1978-08-22 | recorded (DEED) | DEED dated 1978-08-22 from THE ADMINISTRATOR OF VETERANS AFFAIRS to CAPONE FELIX, no price stated ($0). | bnx9-e6tj | | 1974-05-31 | recorded (DEED) | DEED dated 1974-05-31 from SILLS MARTIN (ETAL DEF); DELMAN JOSEPH (REF) to ADMINISTRATOR OF VETERANS AFFAIRS (WASH DC), no price stated ($0). | bnx9-e6tj | | 1973-06-07 | recorded (DEED) | DEED dated 1973-06-07 from CAPO LOUIS to STILLS MARTIN, no price stated ($0). | bnx9-e6tj | | 1972-11-20 | recorded (DEED) | DEED dated 1972-11-20 from QUAD RLTY CORP to CAPO LOUIS, no price stated ($0). | bnx9-e6tj | | 1972-08-17 | recorded (DEED) | DEED dated 1972-08-17 from CAPO LOUIS to QUAD RLTY CORP, no price stated ($0). | bnx9-e6tj | | 1972-06-05 | recorded (DEED) | DEED dated 1972-06-05 from BROWN ALONZO to CAPO LOUIS, no price stated ($0). | bnx9-e6tj | | 1971-09-21 | recorded (DEED) | DEED dated 1971-09-21 from LAUER FUNDING CORP to BROWN ALONZO, no price stated ($0). | bnx9-e6tj | | 1971-05-21 | recorded (DEED) | DEED dated 1971-05-21 from COFFEY GROUP INC to LAUER FUNDING CORP, no price stated ($0). | bnx9-e6tj | | 1969-12-11 | recorded (DEED) | DEED dated 1969-12-11 from DOJO RLTY CORP to COFFEY GROUP INC, no price stated ($0). | bnx9-e6tj | | 1966-08-18 | recorded (DEED) | DEED dated 1966-08-18 from DIAZ FEDERICO to OLIVERO GUILLERMO, no price stated ($0) for a deed covering 67 lots. | bnx9-e6tj | ## Open DOB jobs and recent work permits A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items). | Date | Status | Description | Source | |---|---|---|---| | 2025-04-11 | open (Permit Entire) | DOB NOW job filing B01197010-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd | | 2025-09-23 | n/a (Permit Issued) | DOB NOW work permit for job B01197010-I1: Solar — Installation of PV system on existing roof top. No changes to the use egress or occupancy.. Issued 2025-09-23, expires 2026-04-01. | rbx6-tga4 | ## Open violations (DOB, DOB NOW safety, ECB, HPD) status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open. No records found. ## DOB safety violations (DOB NOW) Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items. No records found. Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-09; last loaded 2026-11-09 ## OATH tickets with unpaid balance or pending status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear. No records found. ## Complaints (HPD since 2019, 311 last 12 months) Complaints are reports, not violations. status mirrors the published complaint / request status. No records found. ## Owners & contacts Owner of record comes from city tax records (PLUTO) and can lag behind recent sales. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-24 | current | City tax records (PLUTO) list the owner as EFRON RACHEL. | 64uk-42ks | | 1994-07-20 | recorded | Grantee (buyer) on the most recent deed (DEED, 1994-07-20). | 636b-3b5g | | 2026-10-01 | current_registration | HPD registration contact: Lessee Rachel Efron (Rachel Efron), business city Brooklyn. | feu5-w2e2 | | 2026-10-01 | current_registration | HPD registration contact: SiteManager Linda Gaal. | feu5-w2e2 | | 2026-10-01 | current_registration | HPD registration contact: IndividualOwner Rachel Efron, business city Brooklyn. | feu5-w2e2 | --- Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3009390026