Investor profile - CO
Lon Welsh
Lon Welsh is a real estate investor and operator based in Denver-Boulder, CO. Public filings show activity across 50 properties held through 10 holding companies. Recent mortgage relationships include Bank of Colorado, Citywide Banks, and FirstBank.
Lon's Activity
As of December 2025, public records show approximately $37.4M in recorded mortgage exposure linked to this investor across at least 104 mortgage filings and 50 properties held through 10 holding companies. Activity appears concentrated in residential and multifamily assets recorded between 2012 and 2025.
Primary Geography
Denver-Boulder, CO
ZIP codes: 80012, 80013, 80247, 80011, and 80004
Most recorded activity for this investor appears in DENVER, AURORA, CENTENNIAL, LAKEWOOD, and ARVADA.
Property Type Breakdown
Associated Entities (10)
CO · 2 properties · 64 mortgages
CO · 2 properties · 12 mortgages
CO · 2 properties · 6 mortgages
+7 more not shown
Mortgages (104)
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 05/29/2025 | $749k | Open | Bank of Colorado | WELSH FAMILY TRUST DATED JUNE 17 2019 | 2500 S VALLEY HWY, DENVER, CO 80222 |
| 02/26/2025 | $215k | Open | Blue Federal Credit Union | PERRY STREET LLC | 5225 PERRY ST, DENVER, CO 80212 |
| 01/31/2025 | $300k | Open | MOOSE FUNDING VENTURES | 1370 LOWELL BLVD LLC | 1372 LOWELL BLVD, DENVER, CO 80204 |
+101 more not shown
Owned Properties (50)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 2838 VALLEJO ST, DENVER, CO 80211 | JESSE HERZOG | Owns - 2.1 yrs | $850k |
| 5225 PERRY ST, DENVER, CO 80212 | PERRY STREET LLC | Owns - 3.3 yrs | $475k |
| 9407 E 17TH AVE, AURORA, CO 80010 | 9407 E 17TH PARTNERS LLC | Owns - 3.7 yrs | $2.3M |
+47 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, multifamily, and vacant properties across Denver-Boulder, CO.
What companies is Lon Welsh associated with?
Lon Welsh is associated with 10 entities based on extracted signatures from public records. Key entities include IRONTON INVESTMENTS LLC, BOSTON COURT HOLDINGS LLC, WELSH FAMILY TRUST DATED JUNE 17 2019, VALLEJO 3 LLC, and IRONTON INVESTMENTS 3 LLC.
How many properties are associated with this investor?
At least 50 properties are associated with Lon Welsh and the entities they control, based on signatures extracted from recorded documents connecting Lon Welsh to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Bank of Colorado, Citywide Banks, and FirstBank, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2012 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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