Thornburg Auction Company
Updated October 24, 2026
| Location | 123 McKinsey Drive, Maquoketa, Iowa · auctions in Maquoketa |
| Phone | 563-599-3688 |
| Upcoming auctions | 1 · next: October 24, 2026 |
| Listed on Auction Hawk | 4 auctions since August 29, 2026 |
About Thornburg Auction Company
Thornburg Auction Company is an auction house based in Maquoketa, Iowa. Auction Hawk has listed 4 of its auctions since August 29, 2026; 1 is upcoming, with 394 lots across toys & collectibles, pottery, china & glass, vehicles & automotive, antiques & furniture, held in Kings Mountain. Its sales run online with bidding through the house's catalog, so you can bid from anywhere.
How to bid with Thornburg Auction Company
- Open an upcoming auction below for the date, location and full catalog with photos.
- Follow the catalog link to the bidding platform and register (free) before the sale.
- Bid live, leave absentee bids, or set a maximum bid; online sales close lot by lot at the listed time.
- Questions about pickup, shipping or condition: call 563-599-3688.
Upcoming auctions (1)
- Antiques, Collectibles and More Online Only — Kings Mountain, North Carolina · October 24, 2026
What Thornburg Auction Company sells
- Toys & Collectibles — 64 lots in upcoming sales
- Pottery, China & Glass — 49 lots in upcoming sales
- Vehicles & Automotive — 17 lots in upcoming sales
- Antiques & Furniture — 14 lots in upcoming sales
- Coins & Currency — 5 lots in upcoming sales
- Farm & Heavy Equipment — 3 lots in upcoming sales
Past auctions
- Deceased Estate of Jonathan Spiering Cars Tools & Equipment — ended October 17, 2026
- Coins, Jewelry & Currency Online Only Auction — ended September 19, 2026
- Consignment Farm Auction Aug 29, 2026 — ended August 29, 2026
Other auction houses in Iowa
- Lee's Auctioneering LLC — Charles City (5 upcoming)
- West Central Sales and Auction LLC — Dexter (4 upcoming)
- All in Auctions — Marengo (4 upcoming)
- Central Iowa Auctions — West Des Moines (3 upcoming)
- Putney Auction Service — Indianola (3 upcoming)
- Fraise Auction & Real Estate — Fort Madison (3 upcoming)
- Stalcup Ag Service — Storm Lake (3 upcoming)
- Midwest Gov & Surplus — Urbandale (2 upcoming)
Frequently asked questions
Where is Thornburg Auction Company located?
Thornburg Auction Company is based in 123 McKinsey Drive, Maquoketa, Iowa. Phone: 563-599-3688.
What does Thornburg Auction Company sell?
Recent catalogs from Thornburg Auction Company are mostly toys & collectibles, pottery, china & glass, vehicles & automotive, antiques & furniture, coins & currency — 394 lots across its 1 upcoming auctions.
How do I bid with Thornburg Auction Company?
Open an upcoming auction below for the date and catalog. Its sales are online: follow the catalog link, register on the bidding platform, and place bids or absentee bids before the closing time, or call 563-599-3688 with questions.