505 Delaware Avenue, Buffalo, NY, 14202

Save
Ask
Tour
Hide
Share
$1,500,000
192 Days On Site

505 Delaware Avenue
Buffalo, NY 14202

For Sale|Office|Active
0
Beds
0
Total Baths
19,052
SqFt
$79
/SqFt
1900
Built
County:
Erie
Listing courtesy of Joseph J. Jacobi Jr. of Donovan Real Estate Services (716) 863-7731
Call Now: 716-676-6123
Is this the listing for you? We can help make it yours.
716-676-6123
505 Delaware Avenue505 Delaware Avenue
Save
Ask
Tour
Hide
Share

Mortgage Calculator

Monthly Payment (Est.)

$6,844
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Prime Allentown Mixed-Use Investment & Development Opportunity Rare opportunity to acquire a premier mixed-use investment and development site in the heart of Buffalo’s highly desirable Allentown District. This combined offering includes a fully operational 15,704 SF three-story office building at 505 Delaware Ave along with an approved mixed-use development site at 515 Delaware Ave. 505 Delaware Ave features 34 on-site parking spaces and generates income with upside potential. The building is well positioned for continued office use, repositioning, or integration into future redevelopment plans. 515 Delaware Ave includes approved plans for a 5-story, 9,758 GSF mixed-use building consisting of 40 market-rate apartments, providing immediate value-add and long-term development potential without the uncertainty of entitlement risk. Situated on approximately 0.52 acres, the property is strategically located between Allen Street and Virginia Street, just a short walk to Buffalo General Medical Center, Roswell Park, the Theater District, and the Buffalo Niagara Medical Campus. The surrounding area is home to law firms, medical practices, boutique retail, restaurants, and national retailers including Tim Hortons and Walgreens, making this an exceptional live-work-play corridor. This offering presents a unique opportunity to: • Acquire an income-producing asset with redevelopment upside • Develop a 40-unit market-rate apartment building in a high-demand urban core • Control a significant footprint along one of Buffalo’s most established commercial corridors Ideal for investors, developers, or owner-users seeking scale in one of Buffalo’s strongest mixed-use neighborhoods.

Save
Ask
Tour
Hide
Share
Listing Snapshot
Price 
$1,500,000
Days On Site 
192 Days
Bedrooms 
N/A
Inside Area (SqFt) 
19,052 sqft
Total Baths 
N/A
Full Baths 
N/A
Partial Baths 
N/A
Lot Size 
0.2659 Acres
Year Built 
1900
MLS® Number 
R1664249
Status 
Active
Property Tax 
$22,350
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
6 months agoListing first seen on site
6 months agoListing updated with changes from the MLS®
General Features
Acres 
0.2659
Additional Property Use 
Medical/DentalOffice
Building Features 
ElevatorsOffice
Cross Street 
Allen St
Number Of Stories 
3
Parking 
On Site
Parking Spaces 
34
Property Sub Type 
Office
Sewer 
Public Sewer
Special Circumstances 
Standard
SqFt Total 
19052
Utilities 
Sewer ConnectedWater Connected
Water Source 
Public
Zoning 
N-2C
Interior Features
Flooring 
CarpetOtherSee Remarks
Heating 
Forced AirNatural Gas
Interior 
Elevator
Save
Ask
Tour
Hide
Share
Exterior Features
Lot Features 
Rectangular Lot
Roof 
AsphaltFlatMembraneRubber
Community Features
Accessibility Features 
Stair Lift
MLS Area 
Buffalo City-140200
School District 
Buffalo
Township 
Not Applicable
Financing Terms Available 
Cash
Schools
School District
Buffalo
Elementary School
Unknown
Middle School
Unknown
High School
Unknown
Listing courtesy of Joseph J. Jacobi Jr. of Donovan Real Estate Services (716) 863-7731



The data relating to real estate on this website comes in part from the Internet Data Exchange (IDX) Program of NYSAMLS’s. Real estate listings held by firms other than are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither the listing broker(s) nor shall be responsible for any typographical errors, misinformation, misprints, and shall be held totally harmless. © Last checked: 2026-09-08 06:38 PM UTC CNYIS, UNYREIS, WNYREIS. All rights reserved.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
Save
Ask
Tour
Hide
Share
Scroll to Top