Diana Kostandi Real Estate Agent - JM Properties

10 Bar Ct, Staten Island, NY For Sale $589,900 - listed by Diana Kostandi — For Sale $589,900

Diana Kostandi listing agent for 11 N Rhett Ave, Staten Island, NY - sold for $825,000 — Sold $825,000

52 Houston Ln, Staten Island, NY For Sale $489,900 - listed by Diana Kostandi — For Sale $489,900

Diana Kostandi buyer's agent for 159 Aspinwall St, Staten Island, NY - sold for $1,230,000 — Sold $1,230,000

112 Indigo Plaza, Monroe Township, NJ For Sale $434,900 - listed by Diana Kostandi — For Sale $434,900

Diana Kostandi

Staten Island NY

JM Properties

32 Closed Sales

$22.7M Total Value

$383K - $1.9M Price Range

$709.6K Average Price

Prior 5 years

About Diana

With over 20 years of hands-on experience as a landlord and property manager, I bring a deep, practical understanding of real estate to every client I serve. My passion for the industry began long before my career did, and five years ago I transformed that lifelong interest into a full-time profession. Since then, I’ve built my business on expertise, integrity, and a genuine commitment to helping others achieve their goals.
I take pride in guiding clients through some of the most meaningful financial decisions of their lives. Whether I’m helping first-time homebuyers navigate the journey to homeownership or supporting investors as they expand their portfolios, I offer personalized service, clear communication, and a wealth of real-world knowledge. My goal is always to provide confidence, clarity, and a smooth experience from start to finish.
Driven, dedicated, and deeply invested in my clients’ success, I look forward to helping you reach your real estate goals—no matter where you are in your journey.

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

Years of Experience: 5

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	2
Total Value	$1,395,000
Average Sale Price	$697,500
Price Range	$570K - $825K

Buyer Deals
Total Deals	9
Total Value	$5,516,000
Average Sale Price	$612,889
Price Range	$450K - $1.2M

1 Year View by Quarter

Seller Deals
Total Deals	6
Total Value	$5,454,600
Average Sale Price	$909,100
Price Range	$290K - $1.9M

Buyer Deals
Total Deals	14
Total Value	$9,381,000
Average Sale Price	$670,071
Price Range	$450K - $1.2M

Seller Deals
Total Deals	10
Total Value	$8,889,500
Average Sale Price	$888,950
Price Range	$290K - $1.9M

Buyer Deals
Total Deals	22
Total Value	$13,818,200
Average Sale Price	$628,100
Price Range	$383K - $1.2M

5 Year View

Areas Diana is Experienced In

Diana's Listings and Deals

Diana's Active Listings

$589,900
- 2 Beds
- 2.5 Baths
- 1,825 Sq Ft
10 Bar Ct

Staten Island, NY
Welcome to 10 Bar Court, a spacious two bedroom, three bathroom home in the heart of Rossville! The main level offers an open layout where the living room, dining room, and eat-in kitchen flow together, making it perfect for everyday living and entertaining. Sliding doors off the kitchen lead to a deck and multi level backyard, giving you plenty of space to relax or entertain. Upstairs, you'll

Diana Kostandi JM Properties

$489,900
- 2 Beds
- 1.5 Baths
- 1,060 Sq Ft
52 Houston Ln

Staten Island, NY
Welcome to 52 Houston Lane, where comfort, convenience, and location come together! Nestled in the centrally located Westerleigh section of Staten Island, this home puts you right in the center of it all. The main level features a comfortable living room and dining room combination along with an eat in kitchen, a convenient half bathroom, and sliders leading directly out to a fully decked

Diana Kostandi JM Properties

$434,900
- 3 Beds
- 2 Baths
- 1,266 Sq Ft
112 Indigo Plaza

Monroe Township, NJ
Welcome to 112 Indigo Plaza in the highly sought after Clearbrook 55+ Community in Monroe, New Jersey!This beautifully maintained 3 bedroom, 2 full bath ranch offers the ease and comfort of one level living in one of Central New Jersey's premier active adult communities. Thoughtfully designed with a spacious, functional layout, this home is perfect for those looking to enjoy a

Diana Kostandi JM Properties NJ Inc

$434,900
- 3 Beds
- 2 Baths
- 1,266 Sq Ft
112 Indigo Plaza

Unit A

Monroe Township, NJ
Welcome to 112 Indigo Plaza in the highly sought after Clearbrook 55+ Community in Monroe, New Jersey! This beautifully maintained 3 bedroom, 2 full bath ranch offers the ease and comfort of one level living in one of Central New Jersey's premier active adult communities. Thoughtfully designed with a spacious, functional layout, this home is perfect for those looking to enjoy a low-maintenance

Diana Kostandi JM Properties

$1,199,900
- 4 Beds
- 3 Baths
- 2,680 Sq Ft
24 Ross Ln

Staten Island, NY
24 Ross Lane - Eltingville, Staten Island Step back in time and experience the timeless charm of this beautiful Victorian home situated on an oversized, private property in the heart of Eltingville. Rich in character and craftsmanship. This home was completely renovated and restored 1989 and had an addition added to this 3-4 bedroom residence showcases stunning original woodwork throughout,

Diana Kostandi JM Properties

$1,199,900

Pending
- 4 Beds
- 3.5 Baths
- 2,350 Sq Ft
214 Vineland Ave

Staten Island, NY
Welcome to 214 Vineland Avenue. This beautifully maintained Side Hall Colonial located in the highly desirable Annadale neighborhood of Staten Island. This spacious home offers 4 bedrooms, 4 bathrooms, and a full finished basement and a separate entrance, providing endless possibilities for extended living, entertaining, or recreation. Pride of ownership is evident throughout, with many updates

Diana Kostandi JM Properties

Recently Sold

$825,000

Sold Jul 24, 2026
- 3 Beds
- 2.5 Baths
- 1,150 Sq Ft
11 N Rhett Ave

Staten Island, NY
- 3% Above List
- 10 Days On Market
- $717/SF
- Current Est. Value $794K
Diana Kostandi JM Properties

$570,000

Sold Jul 24, 2026
- 4 Beds
- 3.5 Baths
- 1,553 Sq Ft
128 Emily Ln

Staten Island, NY
- 4% Above List
- 16 Days On Market
- $367/SF
- Current Est. Value $547K
Diana Kostandi JM Properties

$469,600

Sold Jun 12, 2025
- 2 Beds
- 1.5 Baths
- 972 Sq Ft
35 Melissa St

Unit 91

Staten Island, NY
- 3% Below List
- 53 Days On Market
- $483/SF
- Current Est. Value $510K
Diana Kostandi JM Properties

$290,000

Sold Mar 21, 2025
- 1 Bed
- 1 Bath
- 650 Sq Ft
49 Vera St

Unit E

State Island, NY
- 5% Above List
- 39 Days On Market
- $446/SF
Diana Kostandi JM Properties

$1,850,000

Sold Oct 3, 2024
- 4 Beds
- 2.5 Baths
- 2,676 Sq Ft
96 70th St

Brooklyn, NY
- 16 Days On Market
- $691/SF
- Current Est. Value $2M
Diana Kostandi JM Properties

$1,560,000

Sold Jun 20, 2024
- 4 Beds
- 3 Baths
- 2,160 Sq Ft
23 Bay 7th St

Brooklyn, NY
- 8% Below List
- 151 Days On Market
- $722/SF
- Current Est. Value $1M
Diana Kostandi JM Properties

$544,900

Sold Mar 18, 2024
- 3 Beds
- 3 Baths
- 1,212 Sq Ft
914 Post Ave

Staten Island, NY
- 16% Below List
- 239 Days On Market
- $450/SF
- Current Est. Value $591K
Diana Kostandi JM Properties

$625,000

Sold Oct 6, 2022
- 3 Beds
- 2 Baths
- 1,836 Sq Ft
54 Trossach Rd

Staten Island, NY
- 4% Below List
- 46 Days On Market
- $340/SF
- Current Est. Value $723K
Diana Kostandi JM Properties

$705,000

Sold May 5, 2022
- 3 Beds
- 2 Baths
- 1,040 Sq Ft
27 Alpine Ct

Staten Island, NY
- 18% Above List
- 13 Days On Market
- $678/SF
- Current Est. Value $781K
Diana Kostandi JM Properties

Other Experience

First Time Homebuyers, Investments, Military Families, Veteran's Programs, Short Sales, Luxury Homes, New Construction, Property Management, Distressed Properties, Foreclosures

Agent License: New York #10401355696

Diana Kostandi

(551) 205-0193

JM Properties

(551) 205-0193

Nearby Homes

Diana Kostandi

About Diana

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

Areas Diana is Experienced In

Diana's Listings and Deals

Diana's Active Listings

Recently Sold

Other Experience