| Primary address | 520 Delaware, Buffalo |
| Zip code | 14202 |
| County | Erie |
| Municipality | Buffalo |
| Parcel ID | 100.780-1-9.100 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/19/2015 |
| Sale price | $1 |
| Arm's length | Register |
| Property tax | $10,763 |
| Building sqft | 5,619 |
| Building class | Office Building (464) |
| Acreage | 0.679 |
| Lot dimensions | 129 ft X 254 ft |
| Frontage | 129 |
| Depth | 254 |
| Year built | 1985 |
| Year last altered | 2016 |
| Stories | 1 |
| Water supply | Comm/public |
| Sewer type | Comm/public |
| Zoning district | Register |
| School district | Buffalo |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
This Office Building (464) located at 520 Delaware, Buffalo, NY 14202 has a total of 5,619 square feet.
What is the year built & the current market value of 520 Delaware, Buffalo, NY 14202?520 Delaware, Buffalo, NY 14202 was built in 1985 and has a current tax assessor's market value of $1,106,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 02/02/2026 |
| Last updated | 04/14/2026 |
| Lot size | 0.679 Acre |
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Located near Buffaloâs famous Allentown District, this building went through a major retrofit in 2010 creating the look you see today. The building is located on Delaware Ave and is close to many amenities including a variety of restaurants. Buffaloâs medical campus is located only 1/4 mile away and access to I-190 is easy. The heart of Buffaloâs downtown is blocks away. Clientele can easily navigate their way to and from this building. On-site parking for both employees and guests is adjacent to the building and plentiful. Most recently used as a medical practice, this building is best suited for such.
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| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| #101 | Medical Office | Listing price not available | 5,868 | John McDonald |
Create a free account to view the complete sales history for 520 Delaware, Buffalo, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 520 Delaware, Buffalo, NY 14202. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,763 |
| Market value | $1,106,000 |
| Assessed value | $1,106,000 |
Here's the assessment & property tax history for 520 Delaware, Buffalo, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025 | $1,544,715 | $950,000 | 9.7317 | $9,245 | -27.54% |
| 2024 | $1,357,143 | $950,000 | 13.43 | $12,759 | -8.70% |
| 2023 | $1,217,900 | $950,000 | 14.71 | $13,975 | -8.12% |
| 2022 | $1,073,400 | $950,000 | 16.01 | $15,210 | -1.29% |
| 2021 | $1,055,600 | $950,000 | 16.22 | $15,409 | +64.46% |
The complete history of permits filed for 520 Delaware, Buffalo, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
| Total population | 3,862 |
| Median age | 38.1 |
| Average household income | $105,905 |
| Family households | 27.0% |
| Occupied housing units | 2,203 |
| Owner occupied units | 21.9% |
| Average number of people per household | 1.59 |
| Median year structure built | 1954 |
| Median value for units with a mortgage | $362,800 |
| Median value for units without a mortgage | $605,600 |
Create a free account to unlock extended information for 520 Delaware, Buffalo, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 520 Delaware, Buffalo to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
Here are the neighbors for 520 Delaware, Buffalo.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 510 Delaware, Buffalo | 36,913 | 04/27/2007 | $1 |
| 546 Delaware, Buffalo | 14,488 | 12/30/2010 | $215,000 |
| 488 Franklin, Buffalo | 6,398 | ||
| 946 Main, Buffalo | 5,484 | 05/29/2025 | $750,000 |
| 140 Allen, Buffalo | 2,390 | 05/22/2000 | $110,000 |
| 116 Pearl N, Buffalo | 3,122 | ||
| 540 Delaware, Buffalo | 23,184 | 09/13/1999 | $81,000 |
| 144 Allen, Buffalo | 3,594 | 03/01/2019 | $600,000 |
| 138 Allen, Buffalo | 44,380 | 02/12/2020 | $1,104,500 |
| 23 Allen, Buffalo | 10,942 | 01/31/2020 | $1 |
| 534 Delaware, Buffalo | 7,852 | 12/26/2002 | $1 |
| 942 Main, Buffalo | 03/16/2017 | $1 | |
| 756 Ellicott, Buffalo | |||
| 140 Pearl N, Buffalo | 2,718 | 01/14/2019 | $1 |
| 486 Franklin, Buffalo | 4,838 | 12/23/2021 | $1 |
| 148 Allen, Buffalo | 01/10/2022 | $1,315,000 | |
| 126 Pearl N, Buffalo | 2,592 | ||
| 498 Delaware, Buffalo | 56,849 | 02/17/2003 | $450,000 |
| 136 Pearl N, Buffalo | 2,988 | 01/14/2019 | $425,000 |
| 120 Pearl N, Buffalo | 4,074 | 10/17/2025 | $445,000 |