New York City property record for 21 E 42nd St, Brooklyn, NY 11203 · Last verified May 2026
| Property Type | Duplex |
|---|---|
| Details | 2,151 sqft · built 1950 |
| Lot Size | 0.06 acres (2,600 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,623 (2025) |
| Deeds & Mortgages | Jan 2022 Mortgage Dec 2020 Mortgage + 1 more |
| APN | 04847-0040 |
| Primary APN | 04847-0040 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 2,151 sqft Living Area |
| 1st Floor Area | 2,151 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Duplex Single |
| Construction Type | Brick |
| Lot Area | 2,600 sqft (0.06 acres) |
| Lot Dimensions | 100 ft deep x 26 ft wide |
| Account Number | 3-04847-0040 |
|---|---|
| Street Address | 21 E 42ND ST |
| City | BROOKLYN |
| State | NY |
| Zip | 11203-2108 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 4847 |
| Legal Lot Number | 40 |
| Jurisdiction | KINGS (BROOKLYN) NY |
| Township / Civil Division | BROOKLYN |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 87200 |
Source: New York City records · APN 04847-0040
Assessment roll updated May 4, 2026 · Last verified May 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 E 42ND ST, BROOKLYN, NY 11203-2108 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jan 27, 2022 | Deed of Trust, Mortgage ROCKET MORTGAGE LLC |
| Dec 08, 2020 | Deed of Trust, Mortgage MERS |
| Oct 11, 2019 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 02, 1997 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 21 E 42ND ST, BROOKLYN, NY 11203-2108 |
| Transaction Type | Mortgage |
| Record Updated | Jan 04, 2024 |
| Name | Verified Name |
|---|
| Document Number | 0000042208 |
|---|---|
| Date | Jan 27, 2022 |
| Instrument | 2022000042208 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | 1901 E VOORHEES ST, DANVILLE, IL 61834 |
| Amount | Amount Recorded |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 21 E 42ND ST, BROOKLYN, NY 11203-2108 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000348168 |
|---|---|
| Date | Dec 08, 2020 |
| Instrument | 2020000348168 |
| Name | MERS |
|---|---|
| Address | 1901 E VOORHEES ST, DANVILLE, IL 61834 |
| Amount | Amount Recorded |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KINGS (BROOKLYN) NY |
| Property Address | 21 E 42ND ST, BROOKLYN, NY 11203-2108 |
| Document Number | 0000349799 |
| Instrument Date | Oct 11, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 06, 2019 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 21 E 42ND ST BROOKLYN NY 112032108, BROOKLYN, NY 11203-2108 |
| Document Number | 0000349799 |
|---|---|
| Date | Oct 25, 2019 |
| Instrument | 349799 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 24, 2034 |
Source: New York City records · Assessment roll updated May 4, 2026 · Last verified May 2026
| Type | Name |
|---|---|
| State | New York |
| County | Kings County |
| Municipality | New York City |
| Unified School District | New York City Department Of Education (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $55,140 (+5.51%) Land $14,940 Building $40,200 | $919,000 (+5.51%) Land $249,000 Building $670,000 | |
| 2025 | $6,623.00 (+7.06%) | ||
| 2023 | $6,186.00 | $52,260 Land $14,940 Building $37,320 | $871,000 Land $249,000 Building $622,000 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360470872001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 1,009 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 2,300 / 2,300 |
| Optimum Communications | Cable | 940 / 35 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Starry, Verizon, Litebridge, Xchange Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.
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