> Source: https://www.openingbid.art/artist/thomas-dedecker · updated 2026-11-02

# Thomas deDecker (b. 1951)

Thomas deDecker is an American artist with 29 auction lots recorded since 2011, median price $600. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page.

A work by Thomas deDecker sold in 2026 for a hammer price of $2,400 (buyer's premium not included), according to OpeningBid's index of auction results.

## What is a Thomas deDecker work worth?

Across 27 sold lots tracked by OpeningBid, the median price of a Thomas deDecker work is $600.

The median Thomas deDecker painting sells for $700 across 30 lots.

The median Thomas deDecker work on paper sells for $150 across 1 lots.

Small (under 50 cm) Thomas deDecker paintings typically sell for $450–$750 (the middle half of 21 sold lots).

Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 34 | $700† | $4,480 | 88.2% | 2026-09-10 |
| Works on Paper | 1 | $150 | $150 | — | 2024-10-19 |
| Masterpieces (top of market) | 3 | $5,000‡ | $6,000‡ | — | 2024-05-18 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

## Price by size

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 21 | $450–$750† | $600† | $1,800† |
| medium (50–120 cm) | 9 | $1,000–$3,000† | $1,100† | $4,480 |

† hammer price — buyer's premium not included.

Size is the work's longest edge. Cells appear only with at least 5 sold lots.

## Notable results

| Medium | Year | Price |
|---|---|---|
| Paintings | 2025 | $4,480 |
| Paintings | 2011 | $3,800† |
| Works on Paper | 2024 | $150 |

† hammer price — buyer's premium not included.

The highest recorded result in each medium. The full sale history is in the OpeningBid app (free sign-up).

## Frequently asked questions

### What is a Thomas deDecker worth?

Across 27 sold lots tracked by OpeningBid, the median price of a Thomas deDecker work is $600. The median Thomas deDecker painting sells for $700 across 30 lots. The median Thomas deDecker work on paper sells for $150 across 1 lots. Small (under 50 cm) Thomas deDecker paintings typically sell for $450–$750 (the middle half of 21 sold lots). Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is the average price of a Thomas deDecker painting?

Based on 30 sold lots tracked by OpeningBid, the median auction price of a Thomas deDecker painting is $700. Some prices are hammer-only and exclude the buyer's premium.

### What is Thomas deDecker's most expensive painting?

The highest price recorded at auction for a Thomas deDecker painting is $4,480.

### What is the average price of a small Thomas deDecker painting?

Based on 21 sold lots, the median auction price of a small Thomas deDecker painting (small (under 50 cm)) is $600, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.

### What is Thomas deDecker's auction record?

Thomas deDecker's auction record is $5,000, set in 2021.

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Data last updated 2026-11-02. OpeningBid tracks 15,390,829 auction lots from 577 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Thomas deDecker auction prices”, https://www.openingbid.art/artist/thomas-dedecker (updated 2026-11-02).

Historical auction data, not investment advice. Prices are premium-inclusive USD where the buyer's premium is recorded. Figures marked † are hammer prices (buyer's premium not included); ‡ marks a price whose basis is not yet verified. Non-USD results are converted at the sale month's rate.