Investor profile - CO
Nathan Klein
Nathan Klein is a real estate investor and operator based in Denver-Boulder, CO. Public filings show activity across 2 properties held through 5 holding companies. Recent mortgage relationships include Blue Federal Credit Union, First Interstate Bank, and PB&T Bank.
Nathan's Activity
As of December 2025, public records show approximately $15.1M in recorded mortgage exposure linked to this investor across at least 6 mortgage filings and 2 properties held through 5 holding companies. Activity appears concentrated in residential and commercial assets recorded between 2013 and 2025.
Associated People
Primary Geography
Denver-Boulder, CO
ZIP codes: 80027 and 80302
Most recorded activity for this investor appears in LOUISVILLE and BOULDER.
Property Type Breakdown
Associated Entities (5)
CO · 0 properties · 2 mortgages
CO · 3 properties · 2 mortgages
CO · 0 properties · 1 mortgage
+2 more not shown
Mortgages (6)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 06/30/2025 | $3.1M | Open | First Interstate Bank | NYZO LLC | 1133 PEARL ST, BOULDER, CO 80302 |
| 12/26/2024 | $6.0M | Open | Blue Federal Credit Union | HOLSAPPLE BELL 51ST LLC | 5044 W 92ND AVE, WESTMINSTER, CO 80031 |
| 12/26/2024 | $6.0M | Open | Blue Federal Credit Union | HOLSAPPLE BELL 51ST LLC | 5000 W 92ND AVE, WESTMINSTER, CO 80031 |
+3 more not shown
Owned Properties (2)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 947 SAINT ANDREWS LN, LOUISVILLE, CO 80027 | GOLDIE KLEIN | Owns - 14 mos | $445k |
| 1133 PEARL ST, BOULDER, CO 80302 | BARNETT J COOK BUILDING LLC | Owns - 7.7 yrs | $500 |
+0 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential and commercial properties across Denver-Boulder, CO.
What companies is Nathan Klein associated with?
Nathan Klein is associated with 5 entities based on extracted signatures from public records. Key entities include HOLSAPPLE BELL 51ST LLC, LC HOME PROPERTIES LLC, COLFAX 225 LLC, NYZO LLC, and 1880 NORTH COLLEGE LLC.
How many properties are associated with this investor?
At least 2 properties are associated with Nathan Klein and the entities they control, based on signatures extracted from recorded documents connecting Nathan Klein to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Blue Federal Credit Union, First Interstate Bank, and PB&T Bank, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2013 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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