Susan Slemmer Real Estate Agent - Tarrant and Harman Real Estate and Auction Co

17816 Powerline Rd, Grafton, IL For Sale $1,375,000 - listed by Susan Slemmer — For Sale $1,375,000

Susan Slemmer listing agent for 4432 Thatcher Rd, Alton, IL - sold for $325,000 — Sold $325,000

Susan Slemmer buyer's agent for 3411 Brown Rd, Brighton, IL - sold for $370,000 — Sold $370,000

Susan Slemmer listing agent for 304 Francis St, Gillespie, IL - sold for $100,000 — Sold $100,000

Susan Slemmer

Alton IL

Tarrant and Harman Real Estate and Auction Co

59 Closed Sales

$14.2M Total Value

$97K - $850K Price Range

$241K Average Price

Prior 5 years

About Susan

Home Types: House, Condo, Lot/Land, Other, Manufactured, MultiFamily

Years of Experience: 9

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	11
Total Value	$2,373,599
Average Sale Price	$215,782
Price Range	$70K - $381K

Buyer Deals
Total Deals	13
Total Value	$3,877,150
Average Sale Price	$298,242
Price Range	$77K - $850K

1 Year View by Quarter

Seller Deals
Total Deals	21
Total Value	$4,430,999
Average Sale Price	$211,000
Price Range	$64K - $381K

Buyer Deals
Total Deals	22
Total Value	$5,590,110
Average Sale Price	$254,096
Price Range	$77K - $850K

2 Year View by Quarter

Seller Deals
Total Deals	28
Total Value	$5,983,999
Average Sale Price	$213,714
Price Range	$7K - $420K

Buyer Deals
Total Deals	31
Total Value	$8,233,227
Average Sale Price	$265,588
Price Range	$77K - $850K

5 Year View

Neighborhoods Susan is Experienced In

Holiday Shores

1 Sale

Susan's Active Listings

$1,375,000
17816 Powerline Rd

Grafton, IL
261 +/- acres in Jersey County offering an exceptional opportunity to own a premier hunting and recreational property in Grafton, Illinois. This tract is nearby Pere Marquette State Park and is located in a region well known for producing trophynwhitetails, with abundant deer and turkey sign throughout the property. The rolling terrain and layout create the feel of a much larger tract, providing

Susan Slemmer Tarrant and Harman Real Estate and Auction Co

Recently Sold

$325,000

Sold Jun 30, 2026
- 3 Beds
- 4 Baths
- 2,962 Sq Ft
4432 Thatcher Rd

Alton, IL
- 3% Below List
- $110/SF
- 43 Days On Market
- Current Est. Value $334K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$370,000

Sold Jun 29, 2026
- 4 Beds
- 2.5 Baths
- 2,225 Sq Ft
4285 Red Field Dr

Swansea, IL
- 13% Below List
- $166/SF
- 127 Days On Market
- Current Est. Value $404K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$381,099

Sold May 20, 2026
- 3 Beds
- 1 Bath
- 2,013 Sq Ft
285 Schwinn Ln

Bunker Hill, IL
- 3% Above List
- $189/SF
- 73 Days On Market
- Current Est. Value $376K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$115,000

Sold May 15, 2026
- 3 Beds
- 1.5 Baths
- 1,134 Sq Ft
2617 Plainview Terrace

Alton, IL
- 8% Below List
- $101/SF
- 145 Days On Market
- Current Est. Value $114K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$100,000

Sold Apr 27, 2026
- 3 Beds
- 2 Baths
- 850 Sq Ft
304 Francis St

Gillespie, IL
- 9% Below List
- $118/SF
- 35 Days On Market
- Current Est. Value $99K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$255,000

Sold Feb 23, 2026
- 4 Beds
- 2 Baths
- 1,920 Sq Ft
22 Islander Dr

Brighton, IL
- 2% Below List
- $133/SF
- 60 Days On Market
- Current Est. Value $262K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$175,000

Sold Jan 9, 2026
- 3 Beds
- 1.5 Baths
- 1,789 Sq Ft
506 E 5th St

Alton, IL
- 4% Above List
- $98/SF
- 32 Days On Market
- Current Est. Value $168K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$187,500

Sold Dec 2, 2025
- 3 Beds
- 2 Baths
- 1,770 Sq Ft
4805 Wick Mor Dr

Alton, IL
- 5% Below List
- $106/SF
- 37 Days On Market
- Current Est. Value $185K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

$190,000

Sold Nov 20, 2025
- 2 Beds
- 2 Baths
- 2,100 Sq Ft
3871 Claremont St

Alton, IL
- 4% Above List
- $90/SF
- 46 Days On Market
- Current Est. Value $186K
Susan Slemmer Tarrant and Harman Real Estate and Auction Co

Susan Slemmer

(314) 526-3530

Homes for Sale by City

Susan Slemmer

About Susan

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 Susan is Experienced In

Susan's Listings and Deals

Susan's Active Listings

Recently Sold