Erie County and Buffalo City property record for 20 Rosedale St, Buffalo, NY 14207
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 2,320 sqft · built 1930 |
| Lot Size | 0.081 acres (3,540 sqft) |
| Owner | Company Name on File |
| Last Sale | $69,500 (Mar 2020) |
| Tax Bill | $670 (2026) |
| Deeds & Mortgages | Mar 2020 Sale Apr 2018 Construction Loan |
| Flood Zone | Zone X (minimal risk) |
| APN | 140200 77.33-4-16 |
| Primary APN | 140200 77.33-4-16 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 2,320 sqft Total Area |
| 1st Floor Area | 1,176 sqft |
| 2nd Floor Area | 1,144 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 3,540 sqft (0.081 acres) |
| Lot Dimensions | 117 ft deep x 30 ft wide |
| Garage Type | Detached |
| Garage Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 320 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 05319900 |
|---|---|
| Street Address | 20 ROSEDALE ST |
| City | BUFFALO |
| State | NY |
| Zip | 14207-1228 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | N-3R |
| Legal Description | 171.16 NW WYANDOTTE |
| Legal Subdivision | JONES TRACT |
| Legal Block | 4 |
| Legal Lot Number | 16.000 |
| Jurisdiction | ERIE NY |
| Township / Civil Division | BUFFALO |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 5801 |
20 Rosedale St, a duplex, is owned by a company that bought it in March 2020.
Source: Erie County and Buffalo City records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 8281 WALNUT LN, EAST AMHERST, NY 14051 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 10, 2020 | Warranty Deed, Transfer ATTORNEY ONLY |
| Apr 23, 2018 | Trustee's Deed, Construction Loan · Construction Mortgage KAREN KOERNTGEN |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 10, 2020 · Amount on File |
| Deed Sale | Mar 10, 2020 · Amount on File |
| Prior Sale | Nov 27, 2013 · Amount on File |
| Deed Document Number | 202055177 |
| Deed Book / Page | 11358 / 1453 |
| Prior Transfer Date | Oct 16, 2008 |
| Prior Transfer Doc | 0111515773 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ERIE NY |
| Recording Date | Mar 10, 2020 |
| Property Address | 20 ROSEDALE ST, BUFFALO, NY 14207-1228 |
| Document Number | 0113581453 |
| Book / Page | 011358 / 001453 |
| Instrument Date | Mar 10, 2020 |
| Transaction Type | Transfer |
| Record Updated | Apr 29, 2020 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $70.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 8281 WALNUT CREEK LN EAST AMHERST NY 140511517, EAST AMHERST, NY 14051-1517 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | ERIE NY |
| Recording Date | Apr 23, 2018 |
| Property Address | 20 ROSEDALE ST, BUFFALO, NY 14207-1228 |
| Document Number | 0138528722 |
| Book / Page | 013852 / 008722 |
| Instrument Date | Apr 23, 2018 |
| Transaction Type | Construction Loan |
| Record Updated | May 8, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 20 ROSEDALE ST BUFFALO NY 142071228, BUFFALO, NY 14207-1228 |
| Document Number | 138528722 |
|---|---|
| Date | Apr 23, 2018 |
| Book Page | 013852/008722 |
| Name | KAREN KOERNTGEN |
|---|---|
| Address | 141 FERNWOOD LN, GRAND ISLAND, NY 14072-2956 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Apr 22, 2019 |
The 2026 property tax bill for 20 Rosedale St was $670, down 61.4% from the year before.
Source: Erie County and Buffalo City assessment roll, as of May 19, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Erie County |
| Municipality | Buffalo City |
| Unified School District | Buffalo City School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $670.00 (-61.43%) | ||
| 2025 | $1,737.00 (+44.51%) | $203,000 (+174.32%) Land $8,000 Building $195,000 | $203,000 (+68.71%) Land $8,000 Building $195,000 |
| 2024 | $1,202.00 (+213.02%) | $74,000 (-) Land $4,500 Building $69,500 | $120,325 (+13.82%) Land $7,317 Building $113,008 |
| 2023 | $384.00 | $74,000 Land $4,500 Building $69,500 | $105,714 Land $6,429 Building $99,285 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Rosedale St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 20, 2024
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 20 Rosedale St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | BUFFALO WATER AUTHORITY serves 276,000 people · EPA ID NY1400422 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | 3 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 1,227 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Greenlight Networks Fiber | 10,000 / 10,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless · Fiber in parts of the area | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
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