Martin Custom Shop OM-18 — Guitar Resale Value
Acoustic GuitarsWhat a used Martin Custom Shop OM-18 sells for on Reverb (median of 2 recent listings).
Martin Custom Shop OM-18 value — Used $3,950. Prices updated September 2026.
Live on eBay right now
Expired listings — price reference
Martin Custom Shop Style 28 OM-14F Acoustic Guitar - Ziricote/Spruce with Hardsh
Martin Custom Shop OM-28 Acoustic/Electric Guitar - Adirondack/Cocobolo with Har
Martin CTM OM-18TC Custom Shop with Original Hard Case 2007 Acoustic Guitar 
Martin Custom Shop CTM OM-28 Italian Alpine Spruce Indian Rosewood 43mmeBay removes ended listings after ~90 days — we keep the prices. Look up finds current listings for the same item.
Price data verified against · 1
Item details
- Brand
- Martin
- Make
- Martin
- Model
- Custom Shop OM-18
- Year
- 2021
- Used range
- $3,100 – $3,950
- Sample size
- 2 listings
Martin Custom Shop OM-18 resale value
The used Martin Custom Shop OM-18 has a median Reverb asking price of $3,950, ranging from $3,100 to $3,950 across 2 current listings.
What drives the price
For a used guitar, year, finish, originality (no mods/refins), and case move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Used | $3,950 | eBay sold comps |
| Live asking — low / typical / high | $34.77 / $4,626 / $11,323 | 20 live eBay listings ↗ |
Market check: As of August 19, 2026, 20 live eBay listings ask $34.77–$11,322.61 (median $4,626.00). Sellers are currently asking about 17% above the typical sold value of $3,950.00 — patient buyers can often do better than list price.
Frequently asked questions
- What is the current used price range for the Martin Custom Shop OM-18?
- The current used range for the 2021 Martin Custom Shop OM-18 is between $3,100 and $3,950.
- Is the Martin Custom Shop OM-18 a rare find right now?
- Based on current listings, there are only two available listings for this specific model.
- What year is the Martin Custom Shop OM-18 being sold?
- The Martin Custom Shop OM-18 featured is from the year 2021.
