Katherine O'Sullivan Real Estate Agent - Welcome Home R E Sunnyside

43-33 46th St Unit A6, Long Island City, NY For Sale $349,000 - listed by Katherine O'Sullivan — For Sale $349,000

Katherine O'Sullivan listing agent for 41-08 43rd St Unit 1D, Sunnyside, NY - sold for $489,000 — Sold $489,000

39-60 52nd St Unit 6B, Woodside, NY Pending $365,000 - listed by Katherine O'Sullivan — Pending $365,000

Katherine O'Sullivan buyer's agent for 52-30 39th Dr Unit 7F, Woodside, NY - sold for $725,000 — Sold $725,000

39-30 52nd St Unit 3B, Woodside, NY Pending $399,000 - listed by Katherine O'Sullivan — Pending $399,000

Katherine O'Sullivan

Sunnyside NY

Welcome Home R E Sunnyside

63 Closed Sales

$39.4M Total Value

$295K - $1.6M Price Range

$626.1K Average Price

Prior 5 years

About Katherine

Katherine O’Sullivan "Katie" has been buying and selling her own Sunnyside properties throughout her many years in Sunnyside. Enjoying the process, she joined Welcome Home in 2016. She brings determination to all her deals drawing on her previous career as an Operations Director for international art business. Katherine joined the Welcome Home team with the hope of sharing my knowledge about Sunnyside and Woodside with others. Katie is a neighborhood expert; organized, efficient and ready for any challenge.

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

Years of Experience: 10

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	14
Total Value	$7,317,000
Average Sale Price	$522,643
Price Range	$250K - $1.3M

Buyer Deals
Total Deals	4
Total Value	$2,123,000
Average Sale Price	$530,750
Price Range	$405K - $725K

1 Year View by Quarter

Seller Deals
Total Deals	17
Total Value	$8,877,000
Average Sale Price	$522,176
Price Range	$250K - $1.3M

Buyer Deals
Total Deals	10
Total Value	$6,154,000
Average Sale Price	$615,400
Price Range	$232K - $1.5M

2 Year View by Quarter

Seller Deals
Total Deals	35
Total Value	$20,386,000
Average Sale Price	$582,457
Price Range	$200K - $1.6M

Buyer Deals
Total Deals	28
Total Value	$19,056,500
Average Sale Price	$680,589
Price Range	$232K - $1.5M

5 Year View

Neighborhoods Katherine is Experienced In

Katherine's Listings and Deals

Katherine's Active Listings

$349,000
- 1 Bed
- 1 Bath
- 700 Sq Ft
43-33 46th St

Unit A6

Long Island City, NY
Sunnyside Pre-War Bungalow-Style One Bedroom Co-op! Sunnyside Pre-War Bungalow-Style One Bedroom Co-op! Enjoy your own private entrance and stoop. This spacious one bedroom features large rooms and hardwood floors throughout. Enjoy the amenities of living in a co-op building but the feel of living in your own home with west-facing views to 46th Street and a very quick trip to the #7 subway at

Katherine O'Sullivan Welcome Home R E Sunnyside

$365,000

Pending
- 1 Bed
- 1 Bath
- 700 Sq Ft
39-60 52nd St

Unit 6B

Woodside, NY
Top Floor Sunny Hill One bedroom! This bright apartment features a renovated kitchen with large kitchen island with stainless steel refrigerator, stove, over counter microwave and dishwasher. The open plan kitchen and living room combination offers ample space for entertaining. The corner bedroom has dual exposures and lots of light. The apartment has unique wall finishes and built-in book

Katherine O'Sullivan Welcome Home R E Sunnyside

$399,000

Pending
- 1 Bed
- 1 Bath
- 690 Sq Ft
39-30 52nd St

Unit 3B

Woodside, NY
TURN-KEY Sunny Hill One Bedroom with a view! This immaculate co-op has been tastefully renovated throughout. Enter into the extra large foyer with ample storage which then opens to a large west-facing living room. No expense has been spared on the galley kitchen which has marble countertops, a Bertazzoni stove with range hood, Liebherr refrigerator and a Bosch dishwasher, luxury white cabinetry

Katherine O'Sullivan Welcome Home R E Sunnyside

Recently Sold

$350,000

Sold Jul 30, 2026
- 1 Bed
- 1 Bath
- 600 Sq Ft
52-18 39th Ave

Unit 3C

Woodside, NY
- 3% Below List
- 69 Days On Market
- $583/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$489,000

Sold Jul 29, 2026
- 1 Bed
- 1 Bath
- 800 Sq Ft
41-08 43rd St

Unit 1D

Sunnyside, NY
- 43 Days On Market
- $611/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$495,000

Sold Jul 15, 2026
- 2 Beds
- 1 Bath
- 800 Sq Ft
39-20 52nd St

Unit 4D

Woodside, NY
- 49 Days On Market
- $619/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$257,500

Sold Jun 29, 2026
- 1 Bath
- 500 Sq Ft
88-25 51st Ave

Unit 3E

Elmhurst, NY
- 1% Below List
- 40 Days On Market
- $515/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$375,000

Sold Feb 25, 2026
- 1 Bed
- 1 Bath
- 750 Sq Ft
39-60 54th St

Unit 2S

Woodside, NY
- 4% Below List
- 23 Days On Market
- $500/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$860,000

Sold Jan 15, 2026
- 3 Beds
- 2 Baths
- 1,520 Sq Ft
50-12 64th St

Flushing, NY
- 2% Below List
- 30 Days On Market
- $566/SF
- Current Est. Value $885K
Katherine O'Sullivan Welcome Home R E Sunnyside

$252,500

Sold Dec 17, 2025
- 1 Bath
- 450 Sq Ft
39-30 52nd St

Unit 6-E

Woodside, NY
- 1% Below List
- 22 Days On Market
- $561/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$575,000

Sold Oct 28, 2025
- 2 Beds
- 1 Bath
- 900 Sq Ft
39-60 52nd St

Unit 4F

Woodside, NY
- 15% Above List
- 28 Days On Market
- $639/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

$579,000

Sold Sep 25, 2025
- 2 Beds
- 1 Bath
- 950 Sq Ft
43-42 45th St

Unit 3J

Sunnyside, NY
- 39 Days On Market
- $609/SF
Katherine O'Sullivan Welcome Home R E Sunnyside

Other Experience

First Time Homebuyers

Agent License: New York 10401285256

Katherine O'Sullivan

(929) 552-4228

Welcome Home R E Sunnyside

(929) 552-4228

Homes for Sale by City

Katherine O'Sullivan

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 Active Listings

Recently Sold

Other Experience