Jillian Kosiara

63 Closed Sales

$18.9M Total Value

$175K - $800K Price Range

$300.5K Average Price

Prior 5 years

About Jillian

Jillian Kosiara has 11 years experience in this industry from a legal background as a Senior Real Estate Paralegal, flipping homes, investment properties and helping clients buy and sell. She specializes in in First Time Home Buyers and also clients who are transplants into the Northwest Indiana Region.

Home Types: House, Condo

Years of Experience: 18

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	12
Total Value	$3,813,700
Average Sale Price	$317,808
Price Range	$154K - $420K

Buyer Deals
Total Deals	5
Total Value	$2,062,395
Average Sale Price	$412,479
Price Range	$335K - $532K

1 Year View by Quarter

Seller Deals
Total Deals	24
Total Value	$7,002,600
Average Sale Price	$291,775
Price Range	$154K - $420K

Buyer Deals
Total Deals	11
Total Value	$3,691,195
Average Sale Price	$335,563
Price Range	$25K - $546K

2 Year View by Quarter

Seller Deals
Total Deals	46
Total Value	$14,244,100
Average Sale Price	$309,654
Price Range	$140K - $800K

Buyer Deals
Total Deals	17
Total Value	$4,686,095
Average Sale Price	$275,653
Price Range	$25K - $546K

5 Year View

Neighborhoods Jillian is Experienced In

Jillian's Active Listings

$379,900
- 4 Beds
- 2.5 Baths
- 3,838 Sq Ft
1141 W 300 N

La Porte, IN
POLE BARN...POLE BARN...POLE BARN!! Welcome to 1141 W 300 N where you will find a fully remodeled home along with a Pole Barn nestled on almost an acre of land with no neighbors behind this property. This Traditional 2-Story home features a Main Level Primary Suite, Main Floor Laundry, Large Family Room and an Oversized Great Room with Vaulted Ceilings. Upstairs you will find 3 more Bedrooms

Jillian Kosiara Seramur Properties, LLC

$449,900
- 3 Beds
- 2.5 Baths
- 2,042 Sq Ft
101 Erie St

Valparaiso, IN
LOCATION...LOCATION..LOCATION!!! Just two blocks off from Lincolnway, this home sits right in the HEART OF DOWNTOWN VALPARAISO!! Built in 1900, this home still stands tall on the corner of Erie and Franklin. Just a short walk to Fabulous Dining, Summer Concerts and Movies and of course Shopping. 101 Erie has been remodeled and features impressive 9 ft ceilings, the home feels open, airy and

Jillian Kosiara Seramur Properties, LLC

$314,900
- 3 Beds
- 2 Baths
- 2,395 Sq Ft
3007 Maple St

Michigan City, IN
Now is your chance to own this incredible Limestone Ranch on a well-established tree lined street. Upon entering the home, you will be wowed by the stunning hickory hardwood floors, open floor plan and brand-new kitchen with a massive peninsula perfect for entertaining. The main level boasts 3 bedrooms, a full bathroom and an additional Great Room with Fireplace and a Sliding Glass Door accessing

Jillian Kosiara Seramur Properties, LLC

Recently Sold

$410,000

Sold May 29, 2026
- 5 Beds
- 3 Baths
- 2,296 Sq Ft
263 W 550 N

Valparaiso, IN
- 3% Above List
- $179/SF
- 2 Days On Market
- Current Est. Value $384K
Jillian Kosiara Seramur Properties, LLC

$293,000

Sold Jan 23, 2026
- 3 Beds
- 2 Baths
- 1,621 Sq Ft
11101 Allendale Ct

Crown Point, IN
- 2% Below List
- $181/SF
- 32 Days On Market
- Current Est. Value $293K
Jillian Kosiara Seramur Properties, LLC

$294,900

Sold Jan 13, 2026
- 4 Beds
- 2.5 Baths
- 2,240 Sq Ft
125 W Mcclung Rd

La Porte, IN
- 9% Below List
- $132/SF
- 109 Days On Market
- Current Est. Value $151K
Jillian Kosiara Seramur Properties, LLC

$399,900

Sold Dec 22, 2025
- 3 Beds
- 3 Baths
- 2,200 Sq Ft
665 Windy Oak Ct

Hebron, IN
- $182/SF
- 5 Days On Market
- Current Est. Value $401K
Jillian Kosiara Seramur Properties, LLC

$256,000

Sold Nov 10, 2025
- 3 Beds
- 2 Baths
- 1,280 Sq Ft
376 Brook Dr

Valparaiso, IN
- 2% Above List
- $200/SF
- 6 Days On Market
- Current Est. Value $237K
Jillian Kosiara Seramur Properties, LLC

$230,000

Sold Oct 10, 2025
- 2 Beds
- 2 Baths
- 1,300 Sq Ft
526 Cambridge Ct

Unit 1B

Munster, IN
- $177/SF
- 27 Days On Market
- Current Est. Value $230K
Jillian Kosiara Seramur Properties, LLC

$154,000

Sold Aug 29, 2025
- 2 Beds
- 1 Bath
- 884 Sq Ft
8622 E 700 N

New Carlisle, IN
- 23% Below List
- $174/SF
- 93 Days On Market
- Current Est. Value $157K
Jillian Kosiara Seramur Properties, LLC

$269,900

Sold Aug 22, 2025
- 3 Beds
- 2 Baths
- 1,272 Sq Ft
7047 W 1250 S

Wanatah, IN
- $212/SF
- 13 Days On Market
- Current Est. Value $250K
Jillian Kosiara Seramur Properties, LLC

$353,000

Sold Jul 31, 2025
- 3 Beds
- 2 Baths
- 1,344 Sq Ft
8302 U S 6

Westville, IN
- 1% Above List
- $263/SF
- 2 Days On Market
- Current Est. Value $359K
Jillian Kosiara Seramur Properties, LLC

Jillian Kosiara

(219) 300-1839

Jillian Kosiara

About Jillian

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 Jillian is Experienced In

Jillian's Listings and Deals

Jillian's Active Listings

Recently Sold