Lon Clemmer

Harleysville PA

Sanford Alderfer Real Estate

28 Closed Sales

$13.1M Total Value

$310K - $1.1M Price Range

$466.6K Average Price

Prior 5 years

About Lon

Lon has been in the auction business since 1987 when he began working for the Sanford Alderfer Auction Company in a co-op program offered by Christopher Dock High School. He is a graduate of the Mendenhall School of Auctioneering and of the Certified Auctioneers Institute (CAI), is a Master Personal Property Appraiser (MPPA), and a Certified Estate Specialist (CES). Additionally he holds the prestigious Accredited Auctioneer Real Estate (AARE) designation from the National Auctioneers Association. Lon is active in various professional organizations, including the National Auctioneers Association (NAA), the Pennsylvania Auctioneers Association (PAA), and the Lehigh Valley Society of Auctioneers (LVSA) and is a member of the Rotary Club of Harleysville. He is a licensed real estate salesperson in Pennsylvania and is a member of the Montgomery County Association of Realtors (MCAR), Pennsylvania Association of Realtors (PAR) and National Association of Realtors (NAR).

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

Years of Experience: 17

Education: Mendenhall School of Auctioneering

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	3
Total Value	$1,647,000
Average Sale Price	$549,000
Price Range	$375K - $865K

Buyer Deals
Total Deals	1
Total Value	$665,000
Average Sale Price	$665,000

Seller Deals
Total Deals	8
Total Value	$3,529,000
Average Sale Price	$441,125
Price Range	$210K - $865K

Buyer Deals
Total Deals	2
Total Value	$1,080,000
Average Sale Price	$540,000
Price Range	$415K - $665K

Seller Deals
Total Deals	19
Total Value	$8,681,855
Average Sale Price	$456,940
Price Range	$59K - $1.1M

Buyer Deals
Total Deals	9
Total Value	$4,383,500
Average Sale Price	$487,056
Price Range	$220K - $685K

5 Year View

Neighborhoods Lon is Experienced In

Recently Sold

$375,000

Sold May 29, 2026
- 2 Beds
- 2 Baths
- 2,424 Sq Ft
1786 Weisstown Rd

Boyertown, PA
- $155/SF
- 4 Days On Market
- Current Est. Value $379K
Lon Clemmer Sanford Alderfer Real Estate

$407,000

Sold Sep 29, 2025
- 3 Beds
- 1 Bath
- 1,197 Sq Ft
61 W Reliance Rd

Souderton, PA
- $340/SF
- 5 Days On Market
- Current Est. Value $407K
Lon Clemmer Sanford Alderfer Real Estate

$865,000

Sold Jul 21, 2025
- 4 Beds
- 2.5 Baths
- 4,415 Sq Ft
1009 Branch Mill Rd

Telford, PA
- $196/SF
- 3 Days On Market
- Current Est. Value $872K
Lon Clemmer Sanford Alderfer Real Estate

$500,000

Sold Aug 30, 2024
- 3 Beds
- 1.5 Baths
- 1,558 Sq Ft
431 Landis Rd

Harleysville, PA
- $321/SF
- 3 Days On Market
- Current Est. Value $494K
Lon Clemmer Sanford Alderfer Real Estate

$462,000

Sold Aug 20, 2024
- 3 Beds
- 2 Baths
- 1,600 Sq Ft
202 Stratford Dr

Southampton, PA
- $289/SF
- 6 Days On Market
- Current Est. Value $550K
Lon Clemmer Sanford Alderfer Real Estate

$310,000

Sold May 3, 2024
- 3 Beds
- 1.5 Baths
- 1,736 Sq Ft
327 Erie Ave

Telford, PA
- $179/SF
- 1 Day On Market
- Current Est. Value $368K
Lon Clemmer Sanford Alderfer Real Estate

$330,000

Sold Jan 5, 2024
- 3 Beds
- 1 Bath
- 1,315 Sq Ft
205 Salford Station Rd

Perkiomenville, PA
- $251/SF
- 5 Days On Market
- Current Est. Value $352K
Lon Clemmer Sanford Alderfer Real Estate

$420,000

Sold Apr 27, 2023
- 3 Beds
- 2 Baths
- 1,758 Sq Ft
511 Colonial Rd

Perkiomenville, PA
- 5% Above List
- $239/SF
- 2 Days On Market
- Current Est. Value $471K
Lon Clemmer Sanford Alderfer Real Estate

$1,112,500

Sold Oct 18, 2022
- 4 Beds
- 3 Baths
- 3,121 Sq Ft
1401 Rickert Rd

Perkasie, PA
- 21% Below List
- $356/SF
- 42 Days On Market
- Current Est. Value $1M
Lon Clemmer Sanford Alderfer Real Estate

Lon Clemmer

(484) 978-9382

Sanford Alderfer Real Estate

(484) 978-9382

Homes for Sale by City

Lon Clemmer

About Lon

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Lon is Experienced In

Lon's Listings and Deals

Recently Sold