Katie O'Leary

Groton CT

Gay Tyler Gallagher Real Estate

60 Closed Sales

$53.5M Total Value

$335K - $2.5M Price Range

$892.1K Average Price

Prior 5 years

About Katie

Home Types: House, Condo, Townhouse, MultiFamily

Years of Experience: 18

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	7
Total Value	$5,197,404
Average Sale Price	$742,486
Price Range	$525K - $1M

Buyer Deals
Total Deals	4
Total Value	$3,334,000
Average Sale Price	$833,500
Price Range	$520K - $1.2M

1 Year View by Quarter

Seller Deals
Total Deals	14
Total Value	$14,023,404
Average Sale Price	$1,001,672
Price Range	$265K - $2.5M

Buyer Deals
Total Deals	12
Total Value	$9,281,000
Average Sale Price	$773,417
Price Range	$335K - $1.5M

2 Year View by Quarter

Seller Deals
Total Deals	40
Total Value	$36,728,404
Average Sale Price	$918,210
Price Range	$220K - $2.5M

Buyer Deals
Total Deals	20
Total Value	$16,794,750
Average Sale Price	$839,738
Price Range	$200K - $1.8M

5 Year View

Neighborhoods Katie is Experienced In

Katie's Active Listings

$399,000
- 3 Beds
- 1 Bath
- 1,744 Sq Ft
13 Mark Trail

Groton, CT
Move right into this beautifully maintained ranch-style home offering 3 bedrooms and 1.5 baths approximately 1744 sq feet on a nice 0.29-acre lot in a convenient and desirable location. This home features comfortable one-level living with expanded space, including a family room addition off the living and dining area, plus a partially finished lower level for added flexibility. The property has

Katie O'Leary Gay Tyler Gallagher Real Estate

Recently Sold

$525,000

Sold Apr 17, 2026
- 3 Beds
- 1.5 Baths
- 1,796 Sq Ft
182 Bel Aire Dr

Mystic, CT
- 5% Below List
- $292/SF
- 35 Days On Market
- Current Est. Value $530K
Katie O'Leary Gay Tyler Gallagher Real Estate

$752,035

Sold Apr 15, 2026
- 3 Beds
- 1.5 Baths
- 1,675 Sq Ft
439 Pequot Ave

Mystic, CT
- 5% Below List
- $449/SF
- 45 Days On Market
- Current Est. Value $774K
Katie O'Leary Gay Tyler Gallagher Real Estate

$599,000

Sold Dec 22, 2025
- 3 Beds
- 2.5 Baths
- 2,562 Sq Ft
375 Allyn St

Unit 4

Mystic, CT
- $234/SF
- 34 Days On Market
- Current Est. Value $606K
Katie O'Leary Gay Tyler Gallagher Real Estate

$880,619

Sold Oct 1, 2025
- 3 Beds
- 1.5 Baths
- 1,341 Sq Ft
224 W Shore Ave

Groton, CT
- 12% Below List
- $657/SF
- 5 Days On Market
- Current Est. Value $896K
Katie O'Leary Gay Tyler Gallagher Real Estate

$855,750

Sold Jun 20, 2025
- 2 Beds
- 1 Bath
- 1,140 Sq Ft
7 Tautog St

Groton, CT
- 14% Above List
- $751/SF
- 5 Days On Market
- Current Est. Value $862K
Katie O'Leary Gay Tyler Gallagher Real Estate

$1,035,000

Sold May 30, 2025
- 3 Beds
- 2.5 Baths
- 1,985 Sq Ft
12 North St

Groton, CT
- 6% Below List
- $521/SF
- 2 Days On Market
- Current Est. Value $1M
Katie O'Leary Gay Tyler Gallagher Real Estate

$550,000

Sold May 28, 2025
- 3 Beds
- 1 Bath
- 972 Sq Ft
70 Portland Ave

Old Lyme, CT
- 15% Below List
- $566/SF
- 37 Days On Market
- Current Est. Value $609K
Katie O'Leary Gay Tyler Gallagher Real Estate

$1,275,000

Sold Feb 27, 2025
- 3 Beds
- 2 Baths
- 1,892 Sq Ft
3 Ridge St

Groton, CT
- 15% Below List
- $674/SF
- 27 Days On Market
- Current Est. Value $1M
Katie O'Leary Gay Tyler Gallagher Real Estate

$265,000

Sold Dec 27, 2024
- 2 Beds
- 2 Baths
- 1,113 Sq Ft
2590 Gold Star Hwy

Unit 315

Mystic, CT
- 4% Above List
- $238/SF
- 3 Days On Market
- Current Est. Value $283K
Katie O'Leary Gay Tyler Gallagher Real Estate

Agent License: Connecticut RES.0772684

Katie O'Leary

(959) 215-6412

Homes for Sale by City

Katie O'Leary

About Katie

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 Katie is Experienced In

Katie's Listings and Deals

Katie's Active Listings

Recently Sold