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Mary C O'BrienNY Licensed R.E. BrokerKenDev RealtyKenmore, NYLicense #10491207345Member of Western NY Real Estate Information Services
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3445 Winton Place, Suite 220 Rochester, NY 14623
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Mary C O'Brien
NY Licensed R.E. BrokerKenDev Realty2746 Delaware Ave.Kenmore, NY 14217License #10491207345Member of Western NY Real Estate Information ServicesContact Mary
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Open HousesActive ListingsRecently Closed
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770 W Ferry Street #7A, Buffalo, NY 14222
NEW 3 days ago
$157,000
1beds
1bath
612sqft
0.02acres
Condo for Sale
770 W Ferry Street #7A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
125 Blacksmith Drive, Amherst, NY 14051
NEW 3 days ago
$515,000
2beds
2bath
1,614sqft
0.22acres
House for Sale
125 Blacksmith Drive, Amherst, NY 14051
Mary C O'Brien716-998-9332
2162 Stony Point Road, Grand Island, NY 14072
Closed May 22, 2026
$295,000
3beds
1bath
1,072sqft
0.82acres
House for Sale
2162 Stony Point Road, Grand Island, NY 14072
Mary C O'Brien716-998-9332
2 Campwood Court, Cheektowaga, NY 14215
Closed May 15, 2026
$271,350
2beds
1bath
1,070sqft
0.12acres
House for Sale
2 Campwood Court, Cheektowaga, NY 14215
Mary C O'Brien716-998-9332
728 Westbrook Drive, North Tonawanda, NY 14120
Closed Dec 29, 2025
$222,000
3beds
1bath
1,136sqft
0.19acres
House for Sale
728 Westbrook Drive, North Tonawanda, NY 14120
Mary C O'Brien716-998-9332
1509 Jamaica, North Tonawanda, NY 14120
Closed Dec 22, 2025
$334,900
3beds
1bath
1,544sqft
0.21acres
House for Sale
1509 Jamaica, North Tonawanda, NY 14120
Mary C O'Brien716-998-9332
770 W Ferry Street #9A, Buffalo, NY 14222
Closed Nov 7, 2025
$162,000
1beds
1bath
612sqft
0.02acres
Condo for Sale
770 W Ferry Street #9A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
770 W Ferry Street #24A, Buffalo, NY 14222
Closed Nov 7, 2025
$169,900
1beds
1bath
612sqft
0.02acres
Condo for Sale
770 W Ferry Street #24A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
6917 Colonial Drive, Niagara, NY 14305
Closed Oct 24, 2025
$325,000
4beds
2bath
1,430sqft
0.27acres
House for Sale
6917 Colonial Drive, Niagara, NY 14305
Mary C O'Brien716-998-9332
Lower Mountain Road, Cambria, NY 14132
Closed Oct 23, 2025
$140,000
7.8acres
Agriculture Land for Sale
Lower Mountain Road, Cambria, NY 14132
Mary C O'Brien716-998-9332
3162 Upper Mountain Road, Cambria, NY 14132
Closed Oct 7, 2025
$310,000
4beds
1bath
1,628sqft
0.87acres
House for Sale
3162 Upper Mountain Road, Cambria, NY 14132
Mary C O'Brien716-998-9332
258 85th Street, Niagara Falls, NY 14304
Closed Oct 6, 2025
$225,000
3beds
1bath
1,356sqft
0.2acres
House for Sale
258 85th Street, Niagara Falls, NY 14304
Mary C O'Brien716-998-9332
2713 Upper Mountain Road, Lewiston, NY 14132
Closed Sep 5, 2025
$344,000
4beds
2bath
1,656sqft
0.52acres
House for Sale
2713 Upper Mountain Road, Lewiston, NY 14132
Mary C O'Brien716-998-9332
451 Moore Avenue, Tonawanda, NY 14223
Closed Aug 29, 2025
$275,000
3beds
1bath
1,248sqft
0.11acres
House for Sale
451 Moore Avenue, Tonawanda, NY 14223
Mary C O'Brien716-998-9332
721 W Ferry, #7 Street, Buffalo, NY 14222
Closed Aug 19, 2025
$1,000
1beds
1bath
720sqft
–acres
Apartment for Rent
721 W Ferry, #7 Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332
770 W Ferry Street #31A, Buffalo, NY 14222
Closed Aug 6, 2025
$161,000
1beds
1bath
612sqft
0.02acres
Condo for Sale
770 W Ferry Street #31A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
361 Getzville Road, Amherst, NY 14226
Closed Jul 11, 2025
$405,000
2beds
2bath
1,360sqft
2.1acres
House for Sale
361 Getzville Road, Amherst, NY 14226
Mary C O'Brien716-998-9332
140 Commonwealth Avenue, Buffalo, NY 14216
Closed May 30, 2025
$301,275
6beds
2bath
2,496sqft
0.12acres
Multi Family for Sale
140 Commonwealth Avenue, Buffalo, NY 14216
Mary C O'Brien716-998-9332
3929 Mckoon Avenue, Niagara Falls, NY 14305
Closed Mar 3, 2025
$171,500
4beds
1bath
2,016sqft
0.13acres
House for Sale
3929 Mckoon Avenue, Niagara Falls, NY 14305
Mary C O'Brien716-998-9332
770 W Ferry St., 27A Street, Buffalo, NY 14222
Closed Jan 10, 2025
$149,000
1beds
1bath
612sqft
0.02acres
Condo for Sale
770 W Ferry St., 27A Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332
1071 99th Street, Niagara Falls, NY 14304
Closed Dec 31, 2024
$193,000
3beds
1bath
960sqft
0.16acres
House for Sale
1071 99th Street, Niagara Falls, NY 14304
Mary C O'Brien716-998-9332
1588 Tuscarora Road, Niagara, NY 14304
Closed Dec 30, 2024
$286,000
3beds
1bath
1,639sqft
0.22acres
House for Sale
1588 Tuscarora Road, Niagara, NY 14304
Mary C O'Brien716-998-9332
770 Ferry, 24B Street #N, Buffalo, NY 14222
Closed Dec 27, 2024
$160,000
1beds
1bath
572sqft
0.02acres
Condo for Sale
770 Ferry, 24B Street #N, Buffalo, NY 14222
Mary C O'Brien716-998-9332
8195 Cherry Lane, Niagara, NY 14304
Closed Oct 30, 2024
$345,000
3beds
1bath
1,819sqft
0.29acres
House for Sale
8195 Cherry Lane, Niagara, NY 14304
Mary C O'Brien716-998-9332
721 W Ferry, #7 Street, Buffalo, NY 14222
Closed Aug 26, 2024
$1,000
1beds
1bath
720sqft
–acres
Apartment for Rent
721 W Ferry, #7 Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332
721 W Ferry St, unit 3 #S, Buffalo, NY 14222
Closed Aug 12, 2024
$1,100
1beds
1bath
600sqft
0.31acres
Apartment for Rent
721 W Ferry St, unit 3 #S, Buffalo, NY 14222
Mary C O'Brien716-998-9332
12 Brantford Place, Buffalo, NY 14222
Closed Aug 5, 2024
$465,000
4beds
4bath
4,839sqft
0.09acres
Multi Family for Sale
12 Brantford Place, Buffalo, NY 14222
Mary C O'Brien716-998-9332
4130 Lockport Road, Pendleton, NY 14094
Closed Jul 10, 2024
$410,000
3beds
2bath
1,876sqft
0.91acres
House for Sale
4130 Lockport Road, Pendleton, NY 14094
Mary C O'Brien716-998-9332
770 W Ferry Street #18A, Buffalo, NY 14222
Closed Jul 6, 2024
$1,300
1beds
1bath
612sqft
0.02acres
Condo for Rent
770 W Ferry Street #18A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
2283 North Avenue, Niagara Falls, NY 14305
Closed May 23, 2024
$45,000
3beds
1bath
800sqft
0.09acres
House for Sale
2283 North Avenue, Niagara Falls, NY 14305
Mary C O'Brien716-998-9332
4041 Seneca Parkway, Niagara, NY 14304
Closed May 9, 2024
$150,000
3beds
2bath
1,496sqft
–acres
Manufactured Home for Sale
4041 Seneca Parkway, Niagara, NY 14304
Mary C O'Brien716-998-9332
1936 Saunders Settlement Road, Lewiston, NY 14304
Closed May 9, 2024
$288,000
3beds
1bath
1,404sqft
0.41acres
House for Sale
1936 Saunders Settlement Road, Lewiston, NY 14304
Mary C O'Brien716-998-9332
2924 Pleasant Avenue, Hamburg, NY 14075
Closed May 8, 2024
$275,000
2beds
2bath
1,120sqft
0.52acres
House for Sale
2924 Pleasant Avenue, Hamburg, NY 14075
Mary C O'Brien716-998-9332
721 W Ferry, #8 Street, Buffalo, NY 14222
Closed Apr 1, 2024
$1,000
1beds
1bath
720sqft
–acres
Apartment for Rent
721 W Ferry, #8 Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332
2794 Colvin Boulevard, Tonawanda, NY 14150
Closed Feb 22, 2024
$270,000
3beds
2bath
1,468sqft
0.17acres
House for Sale
2794 Colvin Boulevard, Tonawanda, NY 14150
Mary C O'Brien716-998-9332
221 Marrano Drive, Lancaster, NY 14043
Closed Feb 9, 2024
$290,000
3beds
1bath
1,604sqft
0.18acres
House for Sale
221 Marrano Drive, Lancaster, NY 14043
Mary C O'Brien716-998-9332
3925 Deveaux Street, Niagara Falls, NY 14305
Closed Feb 8, 2024
$184,900
3beds
1bath
1,361sqft
0.12acres
House for Sale
3925 Deveaux Street, Niagara Falls, NY 14305
Mary C O'Brien716-998-9332
136 68th Street, Niagara Falls, NY 14304
Closed Dec 11, 2023
$220,000
3beds
1bath
1,768sqft
0.12acres
House for Sale
136 68th Street, Niagara Falls, NY 14304
Mary C O'Brien716-998-9332
2788 Livingston Avenue, Niagara Falls, NY 14303
Closed Dec 5, 2023
$150,000
3beds
1bath
1,720sqft
0.08acres
House for Sale
2788 Livingston Avenue, Niagara Falls, NY 14303
Mary C O'Brien716-998-9332
770 W Ferry Street #18A, Buffalo, NY 14222
Closed Nov 13, 2023
$1,150
1beds
1bath
612sqft
0.02acres
Condo for Rent
770 W Ferry Street #18A, Buffalo, NY 14222
Mary C O'Brien716-998-9332
770 W Ferry St, 19B, Buffalo, NY 14222
Closed Nov 1, 2023
$1,100
1beds
1bath
572sqft
0.02acres
Condo for Rent
770 W Ferry St, 19B, Buffalo, NY 14222
Mary C O'Brien716-998-9332
4021 Seneca Parkway, Niagara, NY 14304
Closed Oct 27, 2023
$97,000
3beds
2bath
1,600sqft
0.01acres
Mobile Home for Sale
4021 Seneca Parkway, Niagara, NY 14304
Mary C O'Brien716-998-9332
6960 Christi Lane, Wheatfield, NY 14304
Closed Oct 20, 2023
$320,000
3beds
2bath
1,883sqft
0.23acres
House for Sale
6960 Christi Lane, Wheatfield, NY 14304
Mary C O'Brien716-998-9332
1558 Benjamin Drive, Niagara Falls, NY 14304
Closed Jul 28, 2023
$260,000
3beds
1bath
1,142sqft
0.15acres
House for Sale
1558 Benjamin Drive, Niagara Falls, NY 14304
Mary C O'Brien716-998-9332
770 W Ferry, 3B Street, Buffalo, NY 14222
Closed Jul 17, 2023
$1,200
1beds
1bath
572sqft
0.02acres
Condo for Rent
770 W Ferry, 3B Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332
281 Lebrun Road, Amherst, NY 14226
Closed Jul 6, 2023
$600,000
3beds
2bath
3,056sqft
1.2acres
House for Sale
281 Lebrun Road, Amherst, NY 14226
Mary C O'Brien716-998-9332
770 W Ferry, 20A Street, Buffalo, NY 14222
Closed Jul 1, 2023
$1,200
1beds
1bath
612sqft
0.02acres
Condo for Rent
770 W Ferry, 20A Street, Buffalo, NY 14222
Mary C O'Brien716-998-9332