William Krooss-Tadas Real Estate Agent - Keller Williams NYC

175 12th St Unit 4B, Brooklyn, NY Pending $950,000 - co-listed by William Krooss-Tadas — Pending $950,000 • Co-Listing Agent

William Krooss-Tadas co-listing agent for 524 E 72nd St Unit 32C, New York, NY - sold for $3,850,000 — Sold $3,850,000 • Co-Listing Agent

225 E 74th St Unit 3J, New York, NY Pending $775,000 - co-listed by William Krooss-Tadas — Pending $775,000 • Co-Listing Agent

William Krooss-Tadas buyer's agent for 44 W 105th St Unit 1A, New York, NY - sold for $890,000 — Sold $890,000

929 Park Ave Unit 4A, New York, NY Pending $799,000 - co-listed by William Krooss-Tadas — Pending $799,000 • Co-Listing Agent

William Krooss-Tadas

New York NY

Keller Williams NYC

44 Closed Sales

$31.9M Total Value

$212K - $3.9M Price Range

$724K Average Price

Prior 5 years

About William

Sales Manager for The Edry Team and licensee real estate professional.

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

Years of Experience: 11

Education: B.S. Applied Mathematics from Coastal Carolina University

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	11
Total Value	$11,161,000
Average Sale Price	$1,014,636
Price Range	$325K - $3.9M

Buyer Deals
Total Deals	2
Total Value	$1,102,000
Average Sale Price	$551,000
Price Range	$212K - $890K

1 Year View by Quarter

Seller Deals
Total Deals	17
Total Value	$18,026,000
Average Sale Price	$1,060,353
Price Range	$320K - $3.9M

Buyer Deals
Total Deals	3
Total Value	$1,648,000
Average Sale Price	$549,333
Price Range	$212K - $890K

Seller Deals
Total Deals	40
Total Value	$29,969,688
Average Sale Price	$749,242
Price Range	$291K - $3.9M

Buyer Deals
Total Deals	4
Total Value	$1,888,000
Average Sale Price	$472,000
Price Range	$212K - $890K

5 Year View

Neighborhoods William is Experienced In

William's Active Listings

$3,395,000
- 3 Beds
- 3.5 Baths
- 2,031 Sq Ft
140 E 63rd St

Unit 5DG

New York, NY
A rare combination home in one of the Upper East Side’s most storied addresses, Residence 5DG at the Barbizon/63 is a 3-bedroom, 3.5-bathroom condominium that balances timeless prewar craftsmanship with modern sophistication. Spanning approximately 2,033 square feet, this home offers a grand sense of scale, elegant detailing, and effortless flow throughout. Stepping inside, a welcoming foyer and

William Krooss-Tadas Keller Williams NYC

Co-Listing Agent

$950,000
- 1 Bed
- 1 Bath
- 776 Sq Ft
175 12th St

Unit 4B

Brooklyn, NY
This one has personality. A true duplex with two private outdoor spaces and skyline views that feel almost cinematic, Residence 4B at the Belvedere XXXVI delivers something you rarely see executed this well. A proper entry foyer creates a clear separation from the exterior stair, adding an extra layer of privacy and buffering the living space from outside noise. Beyond, the main level is bright

William Krooss-Tadas Keller Williams NYC

Co-Listing Agent

$775,000
- 2 Beds
- 1 Bath
225 E 74th St

Unit 3J

New York, NY
This gracious two-bedroom home blends classic prewar character with an unexpectedly generous layout. The sunken living room is expansive and inviting, framed by a graceful archway, iron handrails, and beautiful herringbone floors. Large street-facing windows bring in excellent natural light, enhancing the scale and warmth of the space. Just beyond the entry, past two enormous closets, a versatile

William Krooss-Tadas Keller Williams NYC

Co-Listing Agent

$799,000
- 1 Bed
- 1 Bath
929 Park Ave

Unit 4A

New York, NY
With archways, curves, and prewar details you rarely see together, this home immediately stands apart. Residence 4A offers a rare mix of classic prewar design and smart functionality in a coveted Park Avenue cooperative. The entry gallery immediately sets the tone with graceful curved ceilings, arched openings, and built-in display shelving that create a memorable sense of character. From here,

William Krooss-Tadas Keller Williams NYC

Recently Sold

$425,000

Sold Jun 5, 2025
- 2 Beds
- 1 Bath
- 810 Sq Ft
142-20 Franklin Ave

Unit 5M

Flushing, NY
- $525/SF
- 11 Days On Market
William Krooss-Tadas Keller Williams NYC

$3,900,000

Sold Nov 15, 2024
- 4 Beds
- 4.5 Baths
- 2,603 Sq Ft
524 E 72nd St

Unit 38ABG

New York, NY
- 2% Below List
- $1,498/SF
- 89 Days On Market
- Current Est. Value $4M
William Krooss-Tadas Keller Williams NYC

$350,000

Sold Nov 2, 2022
- 1 Bed
- 1 Bath
52-30 39th Dr

Unit 4 L

Woodside, NY
- 39 Days On Market
William Krooss-Tadas Keller Williams NYC

$555,000

Sold Aug 18, 2022
- 1 Bath
311 E 38th St

Unit 3C

New York, NY
- 97 Days On Market
- Current Est. Value $561K
William Krooss-Tadas Keller Williams NYC

Awards and Designations

NAR - National Association of Realtors

Agent License: 10401258251 New York 10401258251

William Krooss-Tadas

(973) 755-2105

Homes for Sale by City

William Krooss-Tadas

About William

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

Neighborhoods William is Experienced In

William's Listings and Deals

William's Active Listings

Recently Sold

Awards and Designations