Katherine Koniecko

Syosset NY

Signature Premier Properties

55 Closed Sales

$45M Total Value

$540K - $1.6M Price Range

$817.3K Average Price

Prior 5 years

About Katherine

Katherine Koniecko is a licensed real estate sales professional; one who is driven, energetic and business-oriented, yet warm, friendly, and compassionate to the needs and desires of clients and customers. Regardless of the challenge, she is relentless in her pursuit of the perfect property, commercial space, or dream home. Katherine has a vast background in architecture and construction. Before pursuing a career in real estate, she was previously working at her Father's top estimating firm on Long Island. During her time at the firm, she was working with clients on a daily basis; finding bids, acquiring prices and analyzing real estate propositions. It was a great foundation and learning experience for the path she wants to take. Personal Commitment: "To give real service, you must add something which cannot be bought or measured with money, and that is sincerity and integrity." Her enthusiasm, professionalism and knowledge of the area will enable her to assist clients through the process of buying, renting or selling a home.

Home Types: House, Co-op, Townhouse, Condo, MultiFamily, Lot/Land

Years of Experience: 9

Education: Holy Trinity High School

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$11,557,750

Average Sale Price

$963,146

Price Range

$660K - $1.4M

Buyer Deals

Total Deals

Total Value

$5,813,990

Average Sale Price

$830,570

Price Range

$345K - $1.1M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$14,323,750

Average Sale Price

$1,023,125

Price Range

$660K - $1.6M

Buyer Deals

Total Deals

Total Value

$10,719,990

Average Sale Price

$765,714

Price Range

$200K - $1.3M

2 Year View by Quarter

Seller Deals

Total Deals

Total Value

$23,075,838

Average Sale Price

$961,493

Price Range

$125K - $1.6M

Buyer Deals

Total Deals

Total Value

$21,877,990

Average Sale Price

$705,742

Price Range

$199K - $1.3M

5 Year View

Neighborhoods Katherine is Experienced In

Katherine's Open Houses

$5,895,000 Open Sat 11:30AM - 1PM
- 6 Beds
- 7.5 Baths
- 7,000 Sq Ft
27 Victorian Ln

Glen Head, NY
Welcome to an extraordinary estates of timeless elegance located at 27 Victorian Lane, Brookville NY. — a distinguished estate that embodies architectural grace in one of the most prestigious residential setting. Set across approximately 2 acres of professionally landscaped grounds, this exceptional residence spans roughly 7,000 square feet of thoughtfully designed interior space, offering a rare

Katherine Koniecko Signature Premier Properties

$1,349,000 Open Sat 12:30PM - 2:30PM
- 4 Beds
- 2 Baths
- 1,620 Sq Ft
138 Claudy Ln

New Hyde Park, NY
Experience refined suburban living at 138 Claudy Lane – a distinguished residence set in the coveted Lakeville Estates and zoned for Great Neck South School District.Perfectly positioned on a corner lot, this beautifully maintained 4-bedroom, 2-bath ranch showcases exceptional curb appeal, lush landscaping, and timeless design throughout.Inside, an inviting open layout is accented by

Katherine Koniecko Signature Premier Properties

Katherine's Active Listings

$729,999
- 4 Beds
- 2 Baths
- 1,280 Sq Ft
522 Southern Pkwy

Uniondale, NY
Welcome to this fully renovated 4-bedroom, 2-bath home offering modern and effortless living. Situated on a desirable corner property with a private driveway, this home provides both convenience and curb appeal.Step inside to a open floor plan featuring a stunning brand-new white kitchen featuring sleek quartz countertops and contemporary finishes. Both bathrooms have been completely

Katherine Koniecko Signature Premier Properties

$3,299,888
- 6 Beds
- 5.5 Baths
- 4,400 Sq Ft
33 High Farms Rd

Glen Head, NY
Welcome to a rare opportunity to own a fully renovated and extended estate—rebuilt from the studs up and reimagined for modern luxury in the heart of one of Long Island’s most coveted neighborhoods. Set on a beautifully manicured 2 acre lot, this 6-bedroom, 5.5-bathroom smart residence combines sophisticated design, premium finishes, and cutting-edge amenities, offering a seamless blend of

Katherine Koniecko Signature Premier Properties

$2,199,999
- 6 Beds
- 3.5 Baths
- 5,103 Sq Ft
9 Chicken Valley Rd

Glen Head, NY
Sprawling Brick Expanded Ranch in Prestigious Old Brookville! Welcome to this impressive custom-expanded ranch, rebuilt in 2001 and nestled on 2.2 flat acres in the heart of Old Brookville. Offering over 5,100 sq ft of living space, this 6-bedroom, 3.5-bath home combines generous scale with a versatile open floor plan—perfect for both everyday living and entertaining. Highlights include a large

Katherine Koniecko Signature Premier Properties

Co-Listing Agent

$3,890,000
- 6 Beds
- 6 Baths
- 12,000 Sq Ft
33 Beach Rd

Northport, NY
Rising along one of the most prestigious stretches of shoreline in Asharoken, this extraordinary waterfront estate represents the largest and most significant residential offerings in the area. Set on approximately 3.43 private, gated acres with an impressive 400 feet of direct sandy beachfront along the Long Island Sound, the property offers exceptional scale, privacy, and uninterrupted water

Katherine Koniecko Signature Premier Properties

Co-Listing Agent

$2,499,999
- 4 Beds
- 4.5 Baths
- 4,657 Sq Ft
169 Middle Neck Rd

Sands Point, NY
DEVELOPERS, VISIONARIES, AND BUILDERS! Welcome to 169 Middle Neck Road, Sands Point, NY — an incredible opportunity to create something truly special in one of Long Island’s most prestigious locations. Set on 2 flat, private acres, this property offers the perfect foundation to renovate, expand, or build your dream luxury estate in the heart of Sands Point. The existing 4,600+ square foot

Katherine Koniecko Signature Premier Properties

$849,999
- 5 Beds
- 3 Baths
- 2,465 Sq Ft
28 Sanford St

Huntington Station, NY
Step into style and comfort at 28 Sanford Street in South Huntington! This beautifully updated home offers a bright, open floor plan with gleaming hardwood floors and abundant natural light throughout. The brand-new white kitchen features quartz countertops, sleek cabinetry, and all new stainless-steel appliances, flowing effortlessly into the living and dining areas — perfect for entertaining or

Katherine Koniecko Signature Premier Properties

$879,000
- 6 Beds
- 4 Baths
- 2,723 Sq Ft
2864 Eastern Blvd

Baldwin, NY
Welcome to 2864 Eastern Blvd, a spacious 6-bedroom, 4-bath hi ranch perfectly positioned near the Baldwin canal leading into Baldwin Bay. This unique property offers the best of both worlds — a prime South Shore location with flexible living space suited for a variety of lifestyles.Step inside to find an open and sunlit layout with generous room sizes throughout. The upper level features a

Katherine Koniecko Signature Premier Properties

Agent License: New York 10401304416

Katherine Koniecko

(516) 703-2819

Homes for Sale by City

Katherine Koniecko

About Katherine

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

Neighborhoods Katherine is Experienced In

Katherine's Listings and Deals

Katherine's Open Houses

Katherine's Active Listings