Mary Dunphy

Bethpage NY

Century 21 Catapano Homes

45 Closed Sales

$31.1M Total Value

$530K - $1.3M Price Range

$691.7K Average Price

Prior 5 years

About Mary

I really enjoy helping people and I have parlayed that into an enjoyable 2nd career. For most people buying and selling their home can be a very stressful event. I think I have helped to make that as stress free as possible for many families. In these very challenging times being prepared is very important. I bring a wealth of experience to my clients and try to prepare them well for the process of buying and selling a home.

Home Types: House, MultiFamily, Co-op, Townhouse, Condo

Years of Experience: 14

Education: Bethpage Senior High School

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	8
Total Value	$6,783,000
Average Sale Price	$847,875
Price Range	$605K - $1.3M

Buyer Deals
Total Deals	2
Total Value	$1,005,000
Average Sale Price	$502,500
Price Range	$265K - $740K

1 Year View by Quarter

Seller Deals
Total Deals	12
Total Value	$10,017,999
Average Sale Price	$834,833
Price Range	$550K - $1.3M

Buyer Deals
Total Deals	5
Total Value	$3,210,000
Average Sale Price	$642,000
Price Range	$265K - $800K

Seller Deals
Total Deals	31
Total Value	$21,857,999
Average Sale Price	$705,097
Price Range	$515K - $1.3M

Buyer Deals
Total Deals	14
Total Value	$9,268,000
Average Sale Price	$662,000
Price Range	$265K - $915K

5 Year View

Neighborhoods Mary is Experienced In

Recently Sold

$836,000

Sold Jun 12, 2026
- 4 Beds
- 2 Baths
- 1,740 Sq Ft
181 Sycamore Ave

Bethpage, NY
- 4% Below List
- $480/SF
- 20 Days On Market
- Current Est. Value $834K
Mary Dunphy Century 21 Catapano Homes

$1,100,000

Sold May 22, 2026
- 4 Beds
- 2.5 Baths
- 2,352 Sq Ft
32 Branch Dr

Smithtown, NY
- $468/SF
- 18 Days On Market
- Current Est. Value $1M
Mary Dunphy Century 21 Catapano Homes

$657,000

Sold Mar 30, 2026
- 3 Beds
- 2.5 Baths
- 1,235 Sq Ft
5 Cedar Ave

Farmingdale, NY
- 6% Below List
- $532/SF
- 17 Days On Market
- Current Est. Value $649K
Mary Dunphy Century 21 Catapano Homes

$645,000

Sold Nov 17, 2025
- 3 Beds
- 3 Baths
- 1,639 Sq Ft
45 County Line Rd

Amityville, NY
- 3% Above List
- $394/SF
- 31 Days On Market
- Current Est. Value $664K
Mary Dunphy Century 21 Catapano Homes

$860,000

Sold Oct 30, 2025
- 4 Beds
- 3 Baths
- 2,081 Sq Ft
40 Woodland Ave

Farmingdale, NY
- 4% Below List
- $413/SF
- 45 Days On Market
- Current Est. Value $860K
Mary Dunphy Century 21 Catapano Homes

$750,000

Sold Aug 18, 2025
- 5 Beds
- 2 Baths
- 2,144 Sq Ft
2635 W Alder Rd

Bellmore, NY
- 6% Below List
- $350/SF
- 41 Days On Market
- Current Est. Value $766K
Mary Dunphy Century 21 Catapano Homes

$1,330,000

Sold Jun 27, 2025
- 5 Beds
- 5 Baths
- 2,729 Sq Ft
170 Broadway

Bethpage, NY
- 1% Above List
- $487/SF
- 18 Days On Market
- Current Est. Value $1M
Mary Dunphy Century 21 Catapano Homes

$605,000

Sold May 13, 2025
- 3 Beds
- 1.5 Baths
- 1,436 Sq Ft
118 Cedar St

Amityville, NY
- 1% Above List
- $421/SF
- 17 Days On Market
- Current Est. Value $625K
Mary Dunphy Century 21 Catapano Homes

$895,000

Sold Feb 27, 2025
- 4 Beds
- 2.5 Baths
28 Elizabeth Ct

Sayville, NY
- 19% Below List
- 43 Days On Market
- Current Est. Value $889K
Mary Dunphy Century 21 Catapano Homes

Awards and Designations

NAR - National Association of Realtors
BPOR - Broker Price Opinion Resource
CBR - Certified Buyer Representative
SRS - Seller Representative Specialist

Agent License: New York 40DU1078572

Mary Dunphy

(516) 219-1978

Homes for Sale by City

Mary Dunphy

About Mary

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Mary is Experienced In

Mary's Listings and Deals

Recently Sold

Awards and Designations