Diane Mueller

Sayville NY

Douglas Elliman Real Estate

11 Closed Sales

$6.3M Total Value

$424.4K - $835K Price Range

$574.8K Average Price

Prior 5 years

About Diane

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

Years of Experience: 22

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	4
Total Value	$2,385,000
Average Sale Price	$596,250
Price Range	$471K - $800K

Seller Deals
Total Deals	5
Total Value	$2,866,000
Average Sale Price	$573,200
Price Range	$471K - $800K

Seller Deals
Total Deals	9
Total Value	$5,244,400
Average Sale Price	$582,711
Price Range	$424K - $835K

Buyer Deals
Total Deals	2
Total Value	$1,078,000
Average Sale Price	$539,000
Price Range	$245K - $833K

5 Year View

Neighborhoods Diane is Experienced In

Downtown Bay Shore

1 Sale

Diane's Active Listings

$825,000
- 4 Beds
- 2 Baths
- 1,440 Sq Ft
325 N Service Rd

Roslyn Heights, NY
This Cape Cod Home in Desirable Roslyn Heights Boast 4 Bedrooms, 2 Full Bathrooms, EIK, Dining Room, Living Room, Enclosed Porch with Lots of Windows. Full Basement with lots of room for storage. 1 Car Garage . New Burner. This won't last. Make this Your Dream Home By Adding Your Personal Touches.

Diane Mueller Douglas Elliman Real Estate

$649,999
- 4 Beds
- 2 Baths
- 2,015 Sq Ft
5 Diane Place

Bay Shore, NY
Come see this Large Split Level Home Boasting 4 Bedrooms, 2 Full Bathrooms, Grand Living Room with Cathedral Ceilings and Skylight, Gourmet Kitchen with Stainless Steel Appliances, Quartz Countertops and Sliding Glass Doors leading out to the Wood Deck, Basement, IGS and so much more, even room for Extended Family. Many Updates throughout.( Roof, Gas Burner and Hot Water Heater all put in 2019

Diane Mueller Douglas Elliman Real Estate

Recently Sold

$800,000

Sold Jul 31, 2025
- 3 Beds
- 2 Baths
- 1,659 Sq Ft
25 Secatogue Ave

East Islip, NY
- 23% Above List
- $482/SF
- 9 Days On Market
- Current Est. Value $893K
Diane Mueller Douglas Elliman Real Estate

$565,000

Sold Jul 28, 2025
- 3 Beds
- 1.5 Baths
- 1,434 Sq Ft
7 Glenn Ct

Brentwood, NY
- 13% Above List
- $394/SF
- 13 Days On Market
- Current Est. Value $595K
Diane Mueller Douglas Elliman Real Estate

$549,000

Sold Jun 6, 2025
- 3 Beds
- 1.5 Baths
- 1,305 Sq Ft
26 Lindsey Ct

Holtsville, NY
- 5% Above List
- $421/SF
- 14 Days On Market
- Current Est. Value $578K
Diane Mueller Douglas Elliman Real Estate

$471,000

Sold Apr 1, 2025
- 2 Beds
- 1 Bath
- 907 Sq Ft
181 Revere Dr

Sayville, NY
- 6% Above List
- $519/SF
- 10 Days On Market
- Current Est. Value $493K
Diane Mueller Douglas Elliman Real Estate

$481,000

Sold Jun 26, 2024
- 3 Beds
- 2 Baths
20 Jenkins St

Islip, NY
- 17% Above List
- 21 Days On Market
- Current Est. Value $550K
Diane Mueller Douglas Elliman Real Estate

$835,000

Sold Aug 21, 2023
- 4 Beds
- 2.5 Baths
23 Matinecock Ave

East Islip, NY
- 5% Above List
- 49 Days On Market
- Current Est. Value $1M
Diane Mueller Douglas Elliman Real Estate

$424,400

Sold Jun 9, 2022
- 3 Beds
- 1.5 Baths
31 Smith Ave

Bay Shore, NY
- 6% Above List
- 12 Days On Market
- Current Est. Value $542K
Diane Mueller Douglas Elliman Real Estate

$499,000

Sold Feb 1, 2022
- 3 Beds
- 2 Baths
255 W Shore Rd

Oakdale, NY
- 11% Below List
- 99 Days On Market
- Current Est. Value $741K
Diane Mueller Douglas Elliman Real Estate

$620,000

Sold Jan 12, 2022
- 5 Beds
- 4 Baths
306 Crooked Hill Rd

Brentwood, NY
- 4% Above List
- 18 Days On Market
- Current Est. Value $726K
Diane Mueller Douglas Elliman Real Estate

Agent License: New York 40MU1067101

Diane Mueller

(631) 859-7717

Homes for Sale by City

Diane Mueller

About Diane

Transaction History

Seller Deals

Seller Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Diane is Experienced In

Diane's Listings and Deals

Diane's Active Listings

Recently Sold