Diane Betz Real Estate Agent - Eric G Ramsay Jr Assoc LLC

432 Argyle Rd, Mineola, NY Pending $1,025,000 - listed by Diane Betz — Pending $1,025,000

Diane Betz listing and buyer's agent for 25 Bay 3rd St, Islip, NY - sold for $926,000 — Sold $926,000

418 Pine Acres Blvd, Brightwaters, NY Pending $779,000 - listed by Diane Betz — Pending $779,000

Diane Betz buyer's agent for 6 Sunny Ln, Bay Shore, NY - sold for $844,990 — Sold $844,990

21 Shore Dr W, Copiague, NY Pending $1,225,000 - listed by Diane Betz — Pending $1,225,000

Diane Betz

Bay Shore NY

Eric G Ramsay Jr Assoc LLC

95 Closed Sales

$87.3M Total Value

$490K - $2.9M Price Range

$918.5K Average Price

Prior 5 years

About Diane

Having the right real estate agent means having an agent who is committed to helping you buy or sell your home with the highest level of expertise in your local market. This means also to help you in understanding each step of the buying or selling process. This commitment level has helped her build a remarkable history of delivering results.

Whether you are an experienced investor or a first-time buyer, she can help you in finding the property of your dreams. Please feel free to browse her website or let her guide you every step of the way by calling or emailing her to set up an appointment today.

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

Years of Experience: 14

Education: University at Albany

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	12
Total Value	$13,306,000
Average Sale Price	$1,108,833
Price Range	$725K - $2.6M

Buyer Deals
Total Deals	4
Total Value	$4,287,490
Average Sale Price	$1,071,873
Price Range	$795K - $1.4M

1 Year View by Quarter

Seller Deals
Total Deals	21
Total Value	$24,862,767
Average Sale Price	$1,183,941
Price Range	$647K - $2.9M

Buyer Deals
Total Deals	15
Total Value	$13,670,490
Average Sale Price	$911,366
Price Range	$275K - $1.8M

2 Year View by Quarter

Seller Deals
Total Deals	53
Total Value	$51,885,367
Average Sale Price	$978,969
Price Range	$386K - $2.9M

Buyer Deals
Total Deals	42
Total Value	$35,372,239
Average Sale Price	$842,196
Price Range	$220K - $1.9M

5 Year View

Areas Diane is Experienced In

Diane's Listings and Deals

Diane's Active Listings

$2,850,000
- 8 Beds
- 7 Baths
- 7,526 Sq Ft
259 Lakeview Ave W

Brightwaters, NY
Welcome to 259 Lakeview Avenue W, a breathtaking Spanish Revival residence set on an expansive 0.80-acre lot in the coveted Village of Brightwaters. This impeccably updated and remodeled estate seamlessly blends timeless elegance with modern luxury, offering over 7,700 square feet of refined living space across three levels. ***NOTE*** NEW CENTRAL AIR INSTALLED 2026**** Step inside to discover 17

Diane Betz Compass Greater NY LLC

$1,025,000

Pending
- 4 Beds
- 2.5 Baths
- 2,352 Sq Ft
432 Argyle Rd

Mineola, NY
Welcome to this beautifully updated Colonial in the heart of the Village of Mineola! Offering approximately 2,252 square feet of thoughtfully designed living space, this spacious home features 4 bedrooms and 2.5 bathrooms, including a desirable first-floor bedroom—ideal for guests, or a home office. The open-concept layout is perfect for today’s lifestyle, showcasing a stunning eat-in kitchen

Diane Betz Compass Greater NY LLC

$779,000

Pending
- 3 Beds
- 2 Baths
- 1,347 Sq Ft
418 Pine Acres Blvd

Brightwaters, NY
One of the most charming homes ever built in Brightwaters Village, this fully renovated residence perfectly blends timeless character with modern luxury. Nestled on beautifully landscaped grounds, the home welcomes you with exceptional curb appeal, a classic front porch, mature specimen plantings, and a picturesque gravel driveway leading to a detached garage. Inside, every detail has been

Diane Betz Compass Greater NY LLC

$1,225,000

Pending
- 3 Beds
- 2 Baths
- 2,220 Sq Ft
21 Shore Dr W

Copiague, NY
Perfectly positioned on a wide canal in prestigious Copiague Harbor, this impeccably updated expanded ranch offers 100 feet of waterfront and an effortless blend of modern design and coastal sophistication. Spanning approximately 2,200 square feet, the residence unfolds with soaring cathedral ceilings, radiant heated floors, and walls of glass that frame serene water views. The 2019 designer

Diane Betz Compass Greater NY LLC

$550,000

Pending
- 2 Beds
- 1.5 Baths
- 1,075 Sq Ft
55 Clinton Ave

Unit 403

Rockville Centre, NY
#404 is the largest model in Cathedral Gardens. This inviting fourth-floor condominium is located in the Cathedral Condominiums, a desirable 55+ community in the heart of Rockville Centre. Just a block and a half from the LIRR, across from Saint Agnes Cathedral, and close to shopping and dining, this four-story elevator building offers a prime location. Building amenities include on-site parking

Diane Betz Compass Greater NY LLC

Recently Sold

$926,000

Sold Aug 17, 2026
- 3 Beds
- 3 Baths
- 2,136 Sq Ft
25 Bay 3rd St

Islip, NY
- 8% Above List
- 23 Days On Market
- $434/SF
- Current Est. Value $853K
Diane Betz Compass Greater NY LLC

$880,000

Sold Aug 14, 2026
- 4 Beds
- 2.5 Baths
- 2,329 Sq Ft
939 Manor Ln

Bay Shore, NY
- 2% Below List
- 28 Days On Market
- $378/SF
- Current Est. Value $874K
Diane Betz Compass Greater NY LLC

$1,250,000

Sold Aug 6, 2026
- 5 Beds
- 2.5 Baths
- 2,593 Sq Ft
10 Carolee Ct

West Islip, NY
- 19% Above List
- 21 Days On Market
- $482/SF
- Current Est. Value $1M
Diane Betz Compass Greater NY LLC

$952,000

Sold Jun 17, 2026
- 3 Beds
- 2.5 Baths
- 2,542 Sq Ft
163 Boathouse Ln

Bay Shore, NY
- 23% Above List
- 7 Days On Market
- $375/SF
- Current Est. Value $882K
Diane Betz Compass Greater NY LLC

$900,000

Sold Apr 30, 2026
- 3 Beds
- 2 Baths
- 1,800 Sq Ft
142 Crooked Hill Rd

Huntington, NY
- 5% Below List
- 104 Days On Market
- $500/SF
- Current Est. Value $889K
Diane Betz Compass Greater NY LLC

$850,000

Sold Mar 26, 2026
- 5 Beds
- 2 Baths
- 2,015 Sq Ft
26 Community Rd

Bay Shore, NY
- 9% Above List
- 15 Days On Market
- $422/SF
- Current Est. Value $823K
Diane Betz Compass Greater NY LLC

$785,000

Sold Dec 19, 2025
- 3 Beds
- 2.5 Baths
- 2,256 Sq Ft
39 McGaw Ave

Lake Grove, NY
- 11% Above List
- 14 Days On Market
- $348/SF
- Current Est. Value $794K
Diane Betz Compass Greater NY LLC

$2,550,000

Sold Dec 18, 2025
- 5 Beds
- 5.5 Baths
- 4,077 Sq Ft
7 True Harbour Way

West Islip, NY
- 4% Below List
- 27 Days On Market
- $625/SF
- Current Est. Value $3M
Diane Betz Compass Greater NY LLC

$1,388,000

Sold Nov 26, 2025
- 3 Beds
- 2.5 Baths
- 3,200 Sq Ft
285 Madeira Blvd

Unit 285

Melville, NY
- 11% Below List
- 82 Days On Market
- $434/SF
- Current Est. Value $1M
Diane Betz Compass Greater NY LLC

Agent License: New York 40BE1103303

Diane Betz

(631) 518-3134

Nearby Homes

Downtown Bay Shore

Diane Betz

About Diane

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 Diane is Experienced In

Diane's Listings and Deals

Diane's Active Listings

Recently Sold