Keith Sippel

Responds Quickly

Appleton WI

Century 21 Affiliated

103 Closed Sales

$30.9M Total Value

$104K - $1.1M Price Range

$302.9K Average Price

Prior 5 years

About Keith

With 43 years as Broker, Owner and Manager I can offer a wide degree of experience to provide any Buyer with the expertise they need to navigate the complex real estate market. Past President of the Local Realtors Association and involved in almost every aspect of State and local Real Estate, from MLS, State Forms Committee, Mediation officer, Professional Standards, these are just a few of the wide range of experiences I can tap into to help you with any of your real estate needs. My job is to make it a Good Experience for you.
Feel free to contact me if I can be of assistance.

Home Types: Lot/Land, House, MultiFamily, Condo, Commercial

Years of Experience: 43

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	19
Total Value	$5,826,300
Average Sale Price	$323,683
Price Range	$125K - $690K

Buyer Deals
Total Deals	5
Total Value	$1,675,500
Average Sale Price	$335,100
Price Range	$180K - $467K

1 Year View by Quarter

Seller Deals
Total Deals	33
Total Value	$10,145,050
Average Sale Price	$317,033
Price Range	$40K - $720K

Buyer Deals
Total Deals	13
Total Value	$3,910,000
Average Sale Price	$300,769
Price Range	$100K - $710K

2 Year View by Quarter

Seller Deals
Total Deals	77
Total Value	$23,256,261
Average Sale Price	$306,003
Price Range	$24K - $1.1M

Buyer Deals
Total Deals	26
Total Value	$7,643,700
Average Sale Price	$293,988
Price Range	$21K - $995K

5 Year View

Neighborhoods Keith is Experienced In

Keith's Open Houses

Co-Listing Agent

$257,750

Open Sun 10AM - 11:30AM
- 4 Beds
- 2 Baths
- 1,401 Sq Ft
1738 N Erb St

Appleton, WI
Welcome Home to a Charming, Character 1 1/2 Story Cape Cod Home with 4 Bedrooms, 2 Full Baths with bidets.. Convenient to shopping & easy access to highway. Enjoy the comforts of 1st floor bedroom & full bath/tub. "Tongue & grove" paneled 4 season room overlooking spacious fenced yard great for relaxing & pets. Large dining & living rooms. Natural cabinets in kitchen; full appliance package

Keith Sippel Century 21 Affiliated

Keith's Recent Active Listings

$2,500,000
- Land
- 77 Acres
- $32,371 per Acre
9134 State Road 76

Neenah, WI
Looking for something in the busy HWY 10 corridor, Check this 77.23-Acre tract of land waiting to be developed... Prime Development land Located Near Busy Intersection of Hwy 10 and Hwy 76 in Town of Clayton. Sanitary District#1 also in TID District. Entire area is expanding fast with lots of developments. Many Commercial, Business and Light Industrial options to start your developement.

Keith Sippel Century 21 Affiliated

$246,900
- Land
- 3 Acres
- $82,300 per Acre
5599 County Road Aa

Weyauwega, WI
Vacant land that almost pays for itself. Looking for a site to build your county home? Or maybe expand it to more storage units. Currently, this property has a Shop with an auto lift and 9-Storage units that are fully rented Mo. To Mo. Great site with lots of options. Parcel has availability to: Municipal Water, Natural Gas, High speed Internet and there is a free-flowing artesian well currently

Keith Sippel Century 21 Affiliated

$499,900
- Land
- 7 Acres
- $71,414 per Acre
4619 County Hwy E

Phelps, WI
7 +/- acre lot on North Twin Lake! Enjoy your time on North Twin Lake that hosts 2,800 acres of extensive recreational opportunities; Countless hours of boating, and renowned for its Musky, Walleye & Large and Small Mouth Bass and Panfish. Updates to the vacant lot include Electric and Municipal Sewer and Water. The property is zoned "All Purpose".

Keith Sippel Century 21 Affiliated

$149,000
- Land
- 4.1 Acres
- $36,341 per Acre
0 County Hwy E

Phelps, WI
4.1 acre parcel in Phelps ready for your ideas! Zoned ALL PURPOSE. Adjacent to the Snowmobile Trail. Military Creek runs through.

Keith Sippel Century 21 Affiliated

$40,341
- Land
- 0.36 Acre
- $112,058 per Acre
0 S Western Ave

Neenah, WI
Well-positioned group of parcels in a quiet Neenah location, offering potential for future residential development. The combined site, which includes R-1, presents an opportunity for thoughtful infill. Access and utility extensions are feasible with the proper planning approach. Ideal for developers seeking a flexible canvas in an established neighborhood.This parcel would need to be sold in

Keith Sippel Century 21 Affiliated

$499,900
- Land
- 1.73 Acres
- $288,960 per Acre
0 Municipal Dr

Unit 50314551

Greenville, WI
Opportunity awaits you with this 1.73 acre vacant lot in the heart of the Village Of Greenville. This lot is zoned commercial and offers approx 226' of frontage on Hwy 76. Lot 1 CSM 5823

Keith Sippel Century 21 Affiliated

Co-Listing Agent

$665,900
- 4 Beds
- 3.5 Baths
- 3,135 Sq Ft
N974 Joeys Place

Greenville, WI
Impeccably maintained; Professional cleaned, one owner (2003) ALL brick ranch on .47 acres in desirable Greenville; on cul-de-sac-. 4 beds, 3.5 baths, 2,090 sq. ft. on main level + 1,045 sq, ft. LL. Open-concept great room with cathedral ceiling, hardwood floors, 4 panel doors, Virtual Flame in LR Gas Fireplace! Kitchen: Natural Oak cabinets, recessed lighting. Split bedrooms. Primary ensuite,

Keith Sippel Century 21 Affiliated

Co-Listing Agent

$220,000
- Land
- 1.16 Acres
- $189,655 per Acre
2742 Shorehaven Ln

Oshkosh, WI
Beautiful views of Lake Butte Des Morts on this 1.16 Acre Parcel. Improvements include 24x28 garage with concrete floor, drilled well, electric and internet/cable already on the lot! Property can be split to two lots (per the seller). Sewer laterals are in the road, this parcel is ready for your forever home near the water!

Keith Sippel Century 21 Affiliated

$399,900
- 3 Beds
- 3 Baths
- 3,460 Sq Ft
2207 S Gladys Ave

Appleton, WI
Spacious 2,494 Square Ft above grade in this Cape Cod home close to Reid Municipal golf course has it all, from Formal Living as well as family room with 100” Projection Screen TV. Three Bedrooms and three full baths as well as a sunken office with views of the large back yard. Two gas fireplaces for those cozy days inside. Lower level also offers numerous finished areas for everything from Rec

Keith Sippel Century 21 Affiliated

Recently Sold

$180,000

Sold May 15, 2026
- 2 Beds
- 1.5 Baths
- 1,110 Sq Ft
2895 W 4th St

Unit 2A

Appleton, WI
- 5% Below List
- $162/SF
- 78 Days On Market
- Current Est. Value $179K
Keith Sippel Century 21 Affiliated

$299,900

Sold Apr 17, 2026
- 3 Beds
- 1 Bath
- 1,032 Sq Ft
623 Hunters Point Rd

Neenah, WI
- $291/SF
- 38 Days On Market
- Current Est. Value $298K
Keith Sippel Century 21 Affiliated

$549,900

Sold Apr 6, 2026
- 4 Beds
- 3 Baths
- 2,795 Sq Ft
2911 E Aquamarine Ave

Appleton, WI
- $197/SF
- 77 Days On Market
- Current Est. Value $548K
Keith Sippel Century 21 Affiliated

$185,000

Sold Mar 19, 2026
- 3 Beds
- 1.5 Baths
- 2,171 Sq Ft
224 E Scott St

Omro, WI
- 12% Below List
- $85/SF
- 104 Days On Market
Keith Sippel Century 21 Affiliated

$310,000

Sold Mar 6, 2026
- 3 Beds
- 2 Baths
- 2,216 Sq Ft
1506 Coolidge St

New Holstein, WI
- 2% Above List
- $140/SF
- 54 Days On Market
- Current Est. Value $310K
Keith Sippel Century 21 Affiliated

$250,000

Sold Mar 5, 2026
- Land
- 5.50 Acre Lot
W1037 State Road 96

Kaukauna, WI
- 23% Below List
- $129/SF
- 186 Days On Market
Keith Sippel Century 21 Affiliated

$498,900

Sold Feb 27, 2026
- 3 Beds
- 2.5 Baths
- 1,822 Sq Ft
N8034 Oakwood Dr

Sherwood, WI
- 4% Below List
- $274/SF
- 120 Days On Market
Keith Sippel Century 21 Affiliated

$160,000

Sold Feb 26, 2026
- 3 Beds
- 1 Bath
- 1,620 Sq Ft
328 Broadway St

Berlin, WI
- 6% Below List
- $99/SF
- 210 Days On Market
- Current Est. Value $162K
Keith Sippel Century 21 Affiliated

$550,000

Sold Jan 15, 2026
- 4 Beds
- 3.5 Baths
- 2,541 Sq Ft
W6776 Wilmington Ln

Greenville, WI
- 3% Below List
- $216/SF
- 49 Days On Market
- Current Est. Value $557K
Keith Sippel Century 21 Affiliated

Awards and Designations

CENTURION, 2024
Quality Service Pinnacle Team, 2024
Quality Service Team, 2019 thru 2024
NAR - National Association of Realtors
GRI - Graduate REALTOR Institute
ABR - Accredited Buyer Representative
CRS - Certified Residential Specialist

Other Experience

First Time Home Buyers, Investments, Luxury Homes, Military Families, Veteran Programs

Agent License: Wisconsin #9042588

Keith Sippel

(920) 690-6719

Responds Quickly

(920) 690-6719

Homes for Sale by City

Keith Sippel

About Keith

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 Keith is Experienced In

Keith's Listings and Deals

Keith's Open Houses

Keith's Recent Active Listings

Recently Sold

Awards and Designations

Other Experience