Katherine Slattery

New York NY

Corcoran Group

30 Closed Sales

$30.5M Total Value

$375K - $4.4M Price Range

$1M Average Price

Prior 5 years

About Katherine

With 28 years at The Corcoran Group, Kathy is a highly experienced agent. Because of her abilities to listen, negotiate and think strategically, she is among the most successful agents in Manhattan. She is esteemed by both clients and colleagues for her calm and gracious demeanor and her ability to get deals closed under the most adverse circumstances.

Kathy has handled scores of co-op purchases and sales in some of Manhattan’s most prestigious buildings. She has won numerous awards, including Salesperson of the Month and Top 25 (in a firm with over 1500 agents in New York). She has been a member of Corcoran's Multi-Million Dollar Club, which recognizes top-level sales, every year since 1991. She has served on Corcoran's Advisory Council as a liaison between sales agents and management.

Home Types: Co-op, Condo

Years of Experience: 30

Education: Ashley Hall Salem College

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	4
Total Value	$3,191,500
Average Sale Price	$797,875
Price Range	$445K - $1.3M

Buyer Deals
Total Deals	1
Total Value	$675,000
Average Sale Price	$675,000

Seller Deals
Total Deals	6
Total Value	$4,741,500
Average Sale Price	$790,250
Price Range	$445K - $1.3M

Buyer Deals
Total Deals	1
Total Value	$675,000
Average Sale Price	$675,000

Seller Deals
Total Deals	29
Total Value	$29,830,250
Average Sale Price	$1,028,629
Price Range	$375K - $4.4M

Buyer Deals
Total Deals	1
Total Value	$675,000
Average Sale Price	$675,000

5 Year View

Neighborhoods Katherine is Experienced In

Katherine's Active Listings

$955,000
- 1 Bed
- 1 Bath
- 861 Sq Ft
100 Riverside Blvd

Unit 7U

New York, NY
100 Riverside Boulevard, Unit 7U nestled in the vibrant Upper West Side is a delightful one-bedroom, one-bathroom condo that offers the perfect blend of comfort and style. Bask in the abundance of natural light that fills the unit from the east-facing, oversized noise-reducing windows, providing stunning city views that will leave you in awe every morning. The modern kitchen, featuring a

Katherine Slattery Corcoran Group

$995,000
- 1 Bed
- 1 Bath
- 983 Sq Ft
40 E 94th St

Unit 26G

New York, NY
Expansive wrap-around views and light fill this beautiful 1BR/1BA Carnegie Hill condo. The unusually large entry and living room are an unexpected pleasure in a Manhattan one bedroom apartment. There is a large and comfortable bedroom and excellent closet space throughout. The spacious galley kitchen provides a great deal of storage, as well as options for new layouts. This apartment comes with a

Katherine Slattery Corcoran Group

$2,495,000
- 2 Beds
- 2 Baths
- 1,300 Sq Ft
51 E 90th St

Unit PHA

New York, NY
Featuring a wide wrap terrace with large and rarely found south, east, and west facing areas, this distinctive 2BR, 2BA Carnegie Hill prewar penthouse apartment with wood-burning fireplace exemplifies home. The sense of indoor and outdoor space is seamless. Sunlight fills every room. The tri-sided terrace not only includes a south facing direction coveted for home kitchen gardens, but each side

Katherine Slattery Corcoran Group

Joint Agent

$2,100,000
- 2 Beds
- 2.5 Baths
- 1,800 Sq Ft
425 E 58th St

Unit 42B

New York, NY
Beautifully renovated with sweeping river and city views throughout, this 42nd floor 2BR, 2.5BA apartment is breath-taking. The spacious entrance gallery opens to expansive views from the living room and dining room . A convenient powder room is located just off the gallery. The large, windowed kitchen was expanded from the original floor plan and includes space for dining as well as a separate

Katherine Slattery Corcoran Group

Joint Agent

$985,000
- 1 Bed
- 1 Bath
- 830 Sq Ft
2 Sutton Place S

Unit 11B

New York, NY
Impeccably renovated north facing 1BR/1BA with sweeping views of the East River and the 59th Street Bridge located in Manhattan's peaceful and elegant Sutton Place neighborhood. The light-filled 23-foot sunken living room has a wood-burning fireplace with a crisp modern mantel, beautiful hardwood floors and custom-designed built-in storage. There is plenty of space for dining in the

Katherine Slattery Corcoran Group

Recently Sold

$445,000

Sold Apr 8, 2026
- 1 Bed
- 1 Bath
- 532 Sq Ft
62 E 87th St

Unit 1B

New York, NY
- 25% Below List
- $836/SF
- 199 Days On Market
- Current Est. Value $453K
Katherine Slattery Corcoran Group

$877,500

Sold Jul 2, 2025
- 1 Bed
- 1 Bath
10 W 15th St

Unit 1216

New York, NY
- 8% Below List
- 79 Days On Market
Katherine Slattery Corcoran Group

$825,000

Sold Jun 9, 2025
- 1 Bed
- 1 Bath
132 E 35th St

Unit 6G

New York, NY
- 5% Below List
- 126 Days On Market
- Current Est. Value $815K
Katherine Slattery Corcoran Group

$725,000

Sold Jul 17, 2024
- 2 Beds
- 1 Bath
- 950 Sq Ft
12 E 97th St

Unit 6J

New York, NY
- 17% Below List
- $763/SF
- 103 Days On Market
- Current Est. Value $976K
Katherine Slattery Corcoran Group

$1,900,000

Sold Dec 6, 2023
- 2 Beds
- 2.5 Baths
- 1,850 Sq Ft
47 E 88th St

Unit 15 C

New York, NY
- 32% Below List
- $1,027/SF
- 338 Days On Market
Katherine Slattery Corcoran Group

$375,000

Sold Sep 11, 2023
- 1 Bath
12 E 97th St

Unit 3J

New York, NY
- 24% Below List
- 135 Days On Market
- Current Est. Value $669K
Katherine Slattery Corcoran Group

$435,000

Sold Aug 9, 2023
- 1 Bed
- 1 Bath
12 E 97th St

Unit 8L

New York, NY
- 3% Below List
- 66 Days On Market
- Current Est. Value $715K
Katherine Slattery Corcoran Group

$506,250

Sold Jul 13, 2023
- 1 Bed
- 1 Bath
12 E 97th St

Unit 8A

New York, NY
- 23% Below List
- 372 Days On Market
- Current Est. Value $501K
Katherine Slattery Corcoran Group

$1,700,000

Sold Jun 6, 2023
- 2 Beds
- 2 Baths
- 1,350 Sq Ft
1150 Park Ave

Unit 11D

New York, NY
- 8% Below List
- $1,259/SF
- 131 Days On Market
- Current Est. Value $2M
Katherine Slattery Corcoran Group

Awards and Designations

Salesperson of the Month
Top 25 (in a firm with over 1500 agents in New York)

Agent License: New York 30SL0510041

Katherine Slattery

(646) 927-0917

Homes for Sale by City

Katherine Slattery

About Katherine

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

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

Awards and Designations