Investor profile - MO
William Eckelkamp
William Eckelkamp is a real estate investor and operator based in St. Louis, MO-IL. Public filings show activity across 7 properties held through 25 holding companies. Recent mortgage relationships include Phelps County Bank, Bank of Washington, and First State Community Bank.
William's Activity
As of December 2025, public records show approximately $59.3M in recorded mortgage exposure linked to this investor across at least 82 mortgage filings and 7 properties held through 25 holding companies. Activity appears concentrated in vacant and commercial assets recorded between 2017 and 2025.
Primary Geography
St. Louis, MO-IL
ZIP codes: 63084 and 63090
Most recorded activity for this investor appears in UNION and WASHINGTON.
Property Type Breakdown
Associated Entities (25)
MO · 1 property · 14 mortgages
MO · 0 properties · 13 mortgages
MO · 0 properties · 11 mortgages
+22 more not shown
Mortgages (82)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/21/2025 | $1.1M | Open | Bank of Washington | BEEKEEPERS MILL LLC | 195 LAKEFRONT DR, BRANSON, MO 65616 |
| 11/14/2025 | $2.9M | Open | First State Community Bank | MARITZ ESTATES LLC | 108 LABADIE VIEW DR, LABADIE, MO 63055 |
| 10/08/2025 | $900k | Open | Legends Bank | MARITZ TOWER LLC | 2ND ST, LINN, MO 65051 |
+79 more not shown
Owned Properties (7)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 140 VISTA VALLARTA DR, UNION, MO 63084 | MARITZ DEVELOPMENT LLC | Owns - 6 mos | $131k |
| 144 VISTA VALLARTA DR, UNION, MO 63084 | MARITZ DEVELOPMENT LLC | Owns - 6 mos | $131k |
| 142 VISTA VALLARTA DR, UNION, MO 63084 | MARITZ DEVELOPMENT LLC | Owns - 6 mos | $131k |
+4 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in vacant, commercial, and residential properties across St. Louis, MO-IL.
What companies is William Eckelkamp associated with?
William Eckelkamp is associated with 25 entities based on extracted signatures from public records. Key entities include MARITZ BM LLC, MARITZ ROLLA LLC, MARITZ LAKE LLC, MARITZ DEVELOPMENT LLC, and MARITZ ESTATES LLC.
How many properties are associated with this investor?
At least 7 properties are associated with William Eckelkamp and the entities they control, based on signatures extracted from recorded documents connecting William Eckelkamp to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Phelps County Bank, Bank of Washington, and First State Community Bank, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2017 through 2025, with the most recent mortgage recorded in 2025.
How is associated activity determined?
Elementix uses AI to extract signatures from recorded documents. These signatures are used to determine the relationships between people and entities. This is a novel approach that goes beyond looking at corporate filings and skip-tracing.
The information displayed on this page is compiled from recorded real estate documents, business filings, and other lawfully available sources. Elementix summarizes and analyzes public record activity related to investment real estate and associated business entities. Any contact indicators shown (such as email domain references or partial phone digits) are provided solely as unverified signals and may be incomplete or outdated.
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