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.
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.
Property Details
Price:
$1,500,000
MLS #:
R1664249
Status:
Active
Beds:
0
Baths:
0
Type:
Commercial
Subtype:
Office
Subdivision:
Allentown
Neighborhood:
buffalocity140200
Listed Date:
Feb 27, 2026
Finished Sq Ft:
19,052
Total Sq Ft:
19,052
Lot Size:
11,582 sqft / 0.27 acres (approx)
Year Built:
1900
See this Listing
Schools
School District:
Buffalo
Interior
Flooring
Carpet, Other, See Remarks
Heating
Gas, Forced Air
Exterior
Accessibility Features
Stair Lift, See Remarks
Building Features
Elevators, Office
Lot Features
Rectangular, Rectangular Lot
Parking Features
On Site
Parking Spots
34
Parking Total
34
Roof
Asphalt, Flat, Membrane, Rubber
Stories
3
Financial
Taxes
$22,350
Map
Community
- Address505 Delaware Avenue Buffalo NY
- CityBuffalo
- CountyErie
- Zip Code14202
Subdivisions in Buffalo
- 200 Delaware Condo
- 770 West Ferry Condo
- 800 West Ferry Condo
- Admirals Walk Condo
- Allentown
- Appollos Stevens
- Bailey Estate
- Bailey Estates
- Bailey-Lovejoy
- Berkshire Terrace
- Bird Farm
- Black Rock
- Bronson Park
- Bryant Parish Condo
- Buffal0 Crk Reservation
- Buffalo
- Buffalo Creek Reservation
- Buffalo Crk
- Buffalo Crk Indian Reserv
- Buffalo Crk Reservation
- Buffalo Stove Works Prop
- Carriage Lane Condo Bldg
- Central Park
- City Centre Condo
- City Of Buffalo
- City/Buffalo
- Cold Springs
- Colvin Estates
- Colvin Park
- Colvin Park New 04
- Delaware District
- Delaware Tower
- Delaware Tower Condo
- Delaware Tower Condos
- Downtown
- Drexel Add
- Drexel Sub
- East Side
- Ebenezer Lands
- Elmwood
- Elmwood Strip
- Estate/James H Metcalfe
- Executive Condo
- Ferry
- Ferry Lt
- Fillmore Leroy
- First Ward
- Fruit Belt
- Gore
- Gore Tr
- Hamlin Park
- Highland Park
- Historic Warehouse Condo
- Holland Company’s Surv
- Holland Land
- Holland Land Co
- Holland Land Companies Su
- Holland Land Company
- Holland Land Company ‘s S
- Holland Land Company Surv
- Holland Land Company’s Su
- Holland Land Companys
- Holland Land Companys Sur
- Holland Land Cos Curv
- HOLLAND LAND COS SURV
- Holland Land’s Company Su
- Holland Lands Company’s S
- Homes Tr
- Hospital Hill
- Humboldt Park
- James Sperry’s Surv
- Jones
- Jones Tr
- Kaisertown
- Kensington
- Kensington Park
- Land Company’s Surv
- Lands/The Richmond Avenue
- Lang Field Sub Map #2
- Lee & Mcphersons Sub
- Lower West Side
- Manns Plan
- Marina Park Condo B Bldg
- Masten Park
- New York State Reservatio
- Niagara
- North Buffalo
- Parish
- Parish Tr
- Parkside
- Pasquale Condo
- Polonia
- Rivermist Dev Ph 1
- Riverside
- Schiller Park
- South Buffalo
- South Vlg/Black Rock
- St Marys Square Condo
- Steven’s Surv
- Stevens Surv
- University District
- University Heights
- University Park Sub
- Waterfront Village Pt I
- Waterfront Village Pt Ii
- West Side
- Willert Park
- Willert Park Village Ph 1
Market Summary
Current real estate data for Commercial in Buffalo as of Sep 01, 2026
133
Commercial Listed
149
Avg DOM
79
Avg $ / SqFt
$505,467
Avg List Price
Property Summary
- 505 Delaware Avenue Buffalo NY is a Commercial for sale in Buffalo, NY, 14202. It is listed for $1,500,000
Similar Listings Nearby
Courtesy of Donovan Real Estate Services. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the New York State Alliance of MLSs. Detailed information about real estate listings held by brokerage firms other than Michael Paduano include the name of the listing broker. Neither the listing company nor Michael Paduano shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. New York State Alliance of MLSs. All rights reserved. 505 Delaware Avenue
Buffalo, NY

