455 Montauk Hwy, Eastport, NY For Sale $689,000 - listed by Allison Diem — For Sale $689,000

Allison Diem listing agent for 1661 Old Country Rd, Riverhead, NY - sold for $206,000 — Sold $206,000

77 Evergreen Ave, East Moriches, NY For Sale $759,000 - listed by Allison Diem — For Sale $759,000

Allison Diem buyer's agent for 5 Wainscott Ct, Ridge, NY - sold for $525,000 — Sold $525,000

Allison Diem listing and buyer's agent for 19 Bass Ct, Manorville, NY - sold for $470,000 — Sold $470,000

Allison Diem buyer's agent for 10 Annette Ln, East Moriches, NY - sold for $749,999 — Sold $749,999

Allison Diem

Quogue NY

NGC Realty Group

14 Closed Sales

$8.9M Total Value

$301K - $1.6M Price Range

$636K Average Price

Prior 5 years

About Allison

Home Types: Mobile Homes, Townhouse, Lot/Land, House, Condo

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	5
Total Value	$3,306,000
Average Sale Price	$661,200
Price Range	$206K - $1.6M

Buyer Deals
Total Deals	1
Total Value	$525,000
Average Sale Price	$525,000

Seller Deals
Total Deals	9
Total Value	$6,020,000
Average Sale Price	$668,889
Price Range	$206K - $1.6M

Buyer Deals
Total Deals	3
Total Value	$1,739,999
Average Sale Price	$580,000
Price Range	$465K - $750K

Seller Deals
Total Deals	10
Total Value	$6,708,000
Average Sale Price	$670,800
Price Range	$206K - $1.6M

Buyer Deals
Total Deals	4
Total Value	$2,195,499
Average Sale Price	$548,875
Price Range	$456K - $750K

Areas Allison is Experienced In

Allison's Listings and Deals

Allison's Open Houses

$689,000

Open Sun 2PM - 4PM
- 2 Beds
- 2 Baths
- 1,170 Sq Ft
455 Montauk Hwy

Eastport, NY
Step into a seamless blend of character and contemporary comfort with this 2 bedroom, 2 bathroom home in Eastport offering 1,177 square feet of living space. This rare property preserves its timeless charm while delivering modern efficiencies such as new solar panels and recently updated 200 amp electric service.Situated on almost an acre in Southampton Town, this expansive property provides

Allison Diem NGC Realty Group

Allison's Active Listings

$759,000
- 3 Beds
- 2 Baths
- 1,436 Sq Ft
77 Evergreen Ave

East Moriches, NY
Welcome to 77 Evergreen Avenue in East Moriches, a 3 bed 2 bath beautifully updated, energy-efficient retreat where modern comfort meets serene natural surroundings. Nestled against 110 acres of protected nature preserve, this special property offers rare privacy and tranquil views, creating a true sanctuary in your own backyard. Inside, the home is filled with abundant natural light thanks to

Allison Diem NGC Realty Group

Recently Sold

$206,000

Sold Jun 24, 2026
- 2 Beds
- 2 Baths
- 1,144 Sq Ft
1661 Old Country Rd

Riverhead, NY
- 10% Below List
- 169 Days On Market
- $180/SF
Allison Diem NGC Realty Group

$470,000

Sold Dec 30, 2025
- 2 Beds
- 1.5 Baths
- 1,100 Sq Ft
19 Bass Ct

Manorville, NY
- 1% Above List
- 47 Days On Market
- $427/SF
- Current Est. Value $470K
Allison Diem NGC Realty Group

$301,000

Sold Nov 14, 2025
- 2 Beds
- 2 Baths
- 1,270 Sq Ft
1661 Old Country Rd

Unit 435

Riverhead, NY
- 6% Below List
- 163 Days On Market
- $237/SF
Allison Diem NGC Realty Group

$729,000

Sold Jul 17, 2025
- 3 Beds
- 2.5 Baths
- 1,325 Sq Ft
2 Linda Ln

East Moriches, NY
- 10 Days On Market
- $550/SF
- Current Est. Value $800K
Allison Diem NGC Realty Group

$479,000

Sold May 1, 2025
- 2 Beds
- 2 Baths
- 1,300 Sq Ft
2001 Augusta Aly

Riverhead, NY
- 4% Below List
- 78 Days On Market
- $368/SF
- Current Est. Value $512K
Allison Diem NGC Realty Group

$275,000

Sold Mar 24, 2025
- Land
- 1.01 Acres Lot
3 Patterson Ave

Eastport, NY
- 8% Below List
- 84 Days On Market
Allison Diem NGC Realty Group

$910,000

Sold Oct 4, 2024
- 4 Beds
- 2.5 Baths
- 2,500 Sq Ft
123 N Woods Dr

Wading River, NY
- 4% Below List
- 43 Days On Market
- $364/SF
- Current Est. Value $1M
Allison Diem NGC Realty Group

$688,000

Sold Jun 3, 2024
- 3 Beds
- 1.5 Baths
132 E Moriches Blvd

Eastport, NY
- 2% Below List
- 21 Days On Market
- Current Est. Value $778K
Allison Diem NGC Realty Group

Agent License: New York 10401374456

Frequently Asked Questions

Who is Allison Diem, and what is their real estate background?

How many homes has Allison Diem sold in Quogue, NY?

What is Allison Diem's track record representing buyers?

What is Allison Diem's track record as a listing agent?

What areas does Allison Diem serve?

How can I contact Allison Diem?

Allison Diem

(631) 459-4610

Nearby Homes

Remsenburg-Speonk

Allison Diem

About Allison

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Areas Allison is Experienced In

Allison's Listings and Deals

Allison's Open Houses

Allison's Active Listings

Recently Sold

Frequently Asked Questions

Who is Allison Diem, and what is their real estate background?

How many homes has Allison Diem sold in Quogue, NY?

What is Allison Diem's track record representing buyers?

What is Allison Diem's track record as a listing agent?

What areas does Allison Diem serve?

How can I contact Allison Diem?