William ODonnell Real Estate Agent - Keller Williams Realty Elite

201 Overton St, Deer Park, NY For Sale $825,000 - co-listed by William ODonnell — For Sale $825,000 • Co-Listing Agent

William ODonnell co-listing agent for 97 Artist Lake Dr, Middle Island, NY - sold for $243,000 — Sold $243,000 • Co-Listing Agent

71 Pinewood Dr, Shirley, NY For Rent $3,500/month - co-listed by William ODonnell — For Rent $3,500/month • Co-Listing Agent

9 Mulberry Dr, Smithtown, NY For Sale $849,000 - co-listed by William ODonnell — For Sale $849,000 • Co-Listing Agent

William ODonnell buyer's agent for 365 Route 111 Unit A2, Smithtown, NY - sold for $275,000 — Sold $275,000

William ODonnell

Massapequa NY

Keller Williams Realty Elite

77 Closed Sales

$42M Total Value

$405K - $999K Price Range

$545.9K Average Price

Prior 5 years

About William

I'm an expert real estate agent with Keller Williams Realty Elite in Massapequa, NY and the nearby area, providing home-buyers and sellers with professional, responsive and attentive real estate services. Want an agent who'll really listen to what you want in a home? Need an agent who knows how to effectively market your home so it sells? Give me a call! I'm eager to help and would love to talk to you.

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

Years of Experience: 10

Education: Suffolk County Community College

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	12
Total Value	$6,571,000
Average Sale Price	$547,583
Price Range	$215K - $815K

Buyer Deals
Total Deals	6
Total Value	$3,645,000
Average Sale Price	$607,500
Price Range	$275K - $765K

1 Year View by Quarter

Seller Deals
Total Deals	26
Total Value	$14,755,000
Average Sale Price	$567,500
Price Range	$215K - $999K

Buyer Deals
Total Deals	13
Total Value	$8,153,000
Average Sale Price	$627,154
Price Range	$275K - $852K

2 Year View by Quarter

Seller Deals
Total Deals	56
Total Value	$30,122,500
Average Sale Price	$537,902
Price Range	$215K - $999K

Buyer Deals
Total Deals	21
Total Value	$11,912,990
Average Sale Price	$567,285
Price Range	$170K - $852K

5 Year View

Areas William is Experienced In

William's Listings and Deals

William's Recent Active Listings

$699,000
- 5 Beds
- 5 Baths
- 2,519 Sq Ft
21 Rustic Rd

Miller Place, NY
Colonial located in the desirable Miller Place community, offering 5 bedrooms and 5 full bathrooms. May need some love.

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$825,000
- 6 Beds
- 3 Baths
- 3,173 Sq Ft
201 Overton St

Deer Park, NY
Welcome to this spacious and versatile 6-bedroom, 3-bath hi-ranch in Deer Park, offering a unique layout with multiple living spaces and plenty of room to make it your own. The home features two legal apartments, a converted garage, and a hidden surprise that adds even more flexibility to the property.Inside, you’ll find multiple kitchens, comfortable living areas, and a downstairs

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$849,000
- 4 Beds
- 2 Baths
- 2,200 Sq Ft
9 Mulberry Dr

Smithtown, NY
Welcome to this beautifully maintained 4-bedroom, 2-bath hi-ranch in Royal Oaks, Smithtown, offering comfortable living, flexible space, and an impressive backyard retreat.A charming front sunroom welcomes you inside, while the second sunroom features a natural gas fireplace and French doors leading to the upper deck overlooking the backyard. The home offers two full kitchens with

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$529,000
- 4 Beds
- 3 Baths
- 1,243 Sq Ft
2356 Walnut Ave

Ronkonkoma, NY
Welcome home to this inviting 4-bedroom, 3-bath ranch in the desirable Connetquot School District! Step inside to a bright and comfortable living space with plenty of natural light, ceiling fans, and a layout that flows easily from room to room. The kitchen offers generous cabinetry and workspace, opening into a spacious dining area that makes everyday living and entertaining feel

William ODonnell Keller Williams Realty Elite

$475,000

Pending
- 2 Beds
- 2 Baths
- 861 Sq Ft
561 Chestnut St

Lindenhurst, NY
Welcome to this charming 2-bedroom, 2-bath home offering comfortable living spaces, a functional layout, and an inviting outdoor retreat. Inside, you'll find a bright living area, an eat-in kitchen with ample cabinet space, spacious bedrooms, a versatile upper-level bonus area, and a full basement providing additional storage and laundry space.Step outside to enjoy the deck, expansive

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$649,000

Pending
- 5 Beds
- 2 Baths
- 2,120 Sq Ft
35 Gwendolyn Place

East Islip, NY
Welcome to 35 Gwendolyn Pl! This is a 5 bed 2 full bath home with lots of potential! Located South Of Montauk in the desirable neighborhood of East Islip. 1.5 car garage! House needs work

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$649,000

Pending
- 5 Beds
- 2 Baths
- 2,031 Sq Ft
117 Bryan Ave

Amityville, NY
Welcome to 117 Bryan Ave, located in the heart of the Village of Amityville, where charm, comfort, and convenience come together. This home features an open concept layout with plenty of living space & amenities!The first-floor primary suite offers the convenience of main-level living with its own private bathroom, while hardwood floors throughout much of the home add warmth and

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$599,000

Pending
- 4 Beds
- 2 Baths
- 1,571 Sq Ft
89 Avery Ave

Patchogue, NY
Welcome home to 89 Avery Ave — a beautifully renovated Cape less than half a mile from Patchogue's downtown! From the momentyou enter, this home shows it's pride of ownership! Truly a move-in ready from day one. The brand new kitchen is the heart of the home, featuring whitecabinetry, stainless steel appliances, and a butcher block island that flows effortlessly into an open-concept

William ODonnell Keller Williams Realty Elite

Co-Listing Agent

$459,000

Pending
- 3 Beds
- 1 Bath
- 865 Sq Ft
948 Walker Ave

Bellport, NY
Welcome to 948 Walker St – Charming Ranch Living in Bellport!Step inside this updated 3-bedroom, 1-bath ranch and feel right at home. Warm wood flooring and an open floorplan make everyday living easy from the moment you walk in. The eat-in kitchen features white cabinetry, updated countertops, and stainless steel appliances.A first-floor bedroom and full bath, with an updated

William ODonnell Keller Williams Realty Elite

Recently Sold

$215,000

Sold May 19, 2026
- 1 Bed
- 1 Bath
- 676 Sq Ft
460 Old Town Rd

Unit 5-M

Port Jefferson Station, NY
- 19 Days On Market
- $318/SF
William ODonnell Keller Williams Realty Elite

$655,000

Sold Apr 7, 2026
- 3 Beds
- 1 Bath
- 1,073 Sq Ft
14 Wiltshire Ct

Center Moriches, NY
- 9% Above List
- 14 Days On Market
- $610/SF
- Current Est. Value $641K
William ODonnell Keller Williams Realty Elite

$610,000

Sold Mar 30, 2026
- 4 Beds
- 2 Baths
- 1,758 Sq Ft
1432 Gardiner Dr

Bay Shore, NY
- 16% Above List
- 20 Days On Market
- $347/SF
- Current Est. Value $614K
William ODonnell Keller Williams Realty Elite

$650,000

Sold Mar 30, 2026
- 5 Beds
- 1.5 Baths
- 2,100 Sq Ft
10 Cottonwood Ave

Port Jefferson Station, NY
- 35 Days On Market
- $310/SF
- Current Est. Value $646K
William ODonnell Keller Williams Realty Elite

$815,000

Sold Mar 23, 2026
- 4 Beds
- 2.5 Baths
- 3,500 Sq Ft
15 Terry Ct

North Babylon, NY
- 2% Above List
- 26 Days On Market
- $233/SF
- Current Est. Value $827K
William ODonnell Keller Williams Realty Elite

$535,000

Sold Feb 27, 2026
- 4 Beds
- 1.5 Baths
- 1,309 Sq Ft
41 Brookside Ct

Copiague, NY
- 7% Above List
- 21 Days On Market
- $409/SF
- Current Est. Value $551K
William ODonnell Keller Williams Realty Elite

$410,000

Sold Dec 30, 2025
- 3 Beds
- 1 Bath
- 1,546 Sq Ft
94 Berkshire Dr

Farmingville, NY
- 3% Above List
- 20 Days On Market
- $265/SF
- Current Est. Value $448K
William ODonnell Keller Williams Realty Elite

$450,000

Sold Dec 22, 2025
- 3 Beds
- 1 Bath
- 912 Sq Ft
2 W Walnut St

Islip, NY
- 13% Above List
- 23 Days On Market
- $493/SF
- Current Est. Value $463K
William ODonnell Keller Williams Realty Elite

$548,000

Sold Sep 25, 2025
- 4 Beds
- 3 Baths
- 1,560 Sq Ft
129 44th St

Lindenhurst, NY
- 23 Days On Market
- $351/SF
- Current Est. Value $587K
William ODonnell Keller Williams Realty Elite

Awards and Designations

NAR - National Association of Realtors

Agent License: New York 10401299223

Frequently Asked Questions

Who is William ODonnell, and what is their real estate background?

How many homes has William ODonnell sold in Massapequa, NY?

What is William ODonnell's track record representing buyers?

What is William ODonnell's track record as a listing agent?

What areas does William ODonnell serve?

How can I contact William ODonnell?

William ODonnell

(631) 818-1462

Nearby Homes

William ODonnell

About William

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas William is Experienced In

William's Listings and Deals

William's Recent Active Listings

Recently Sold

Awards and Designations

Frequently Asked Questions

Who is William ODonnell, and what is their real estate background?

How many homes has William ODonnell sold in Massapequa, NY?

What is William ODonnell's track record representing buyers?

What is William ODonnell's track record as a listing agent?

What areas does William ODonnell serve?

How can I contact William ODonnell?