Investor profile - AZ
Nathan Stum
Nathan Stum is a real estate investor and operator based in Phoenix, AZ. Public filings show activity across 15 properties held through 14 holding companies. Recent mortgage relationships include First International Bank & Trust, RTI Bridge Loans, and Boomerang Capital Partners.
Nathan's Activity
As of December 2025, public records show approximately $4.8M in recorded mortgage exposure linked to this investor across at least 19 mortgage filings and 15 properties held through 14 holding companies. Activity appears concentrated in multifamily and residential assets recorded between 2016 and 2024.
Primary Geography
Phoenix, AZ
ZIP codes: 85251, 85006, 85015, 85008, and 85013
Most recorded activity for this investor appears in PHOENIX, SCOTTSDALE, and MESA.
Property Type Breakdown
Associated Entities (14)
AZ · 3 properties · 5 mortgages
AZ · 0 properties · 5 mortgages
AZ · 1 property · 4 mortgages
+11 more not shown
Mortgages (19)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 05/19/2023 | $300k | Closed | Boomerang Capital Partners | MARTINGALE INVESTMENT PARTNERS LLC | 4020 N SCOTTSDALE RD, SCOTTSDALE, AZ 85251 2011 |
| 04/17/2023 | $450k | Open | RTI Bridge Loans | QUAYS AT ENCANTO LLC | 1818 W THOMAS RD, PHOENIX, AZ 85015 |
| 04/19/2022 | $6.2M | Closed | First International Bank & Trust | QUAYS AT ENCANTO LLC | 1840 W THOMAS RD, PHOENIX, AZ 85015 24 |
+16 more not shown
Owned Properties (15)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 4108 E PORTLAND ST, PHOENIX, AZ 85008 | 40TH STREET INVESTMENTS LLC | Sold | $1.9M |
| 1818 W THOMAS RD, PHOENIX, AZ 85015 | RUBEN CAZARES | Owns - 4.4 yrs | $375k |
| 1840 W THOMAS RD, PHOENIX, AZ 85015 24 | QUAYS AT ENCANTO LLC | Sold | $5.4M |
+12 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in multifamily and residential properties across Phoenix, AZ.
What companies is Nathan Stum associated with?
Nathan Stum is associated with 14 entities based on extracted signatures from public records. Key entities include GARFIELD DISTRICT PARTNERS LLC, QUAYS AT ENCANTO LLC, SOSCO INVESTMENT PARTNERS LLC, CORONADO MULTI FAMILY PROPERTIES LLC, and AVALON INVESTMENT PARTNERS LLC.
How many properties are associated with this investor?
At least 15 properties are associated with Nathan Stum and the entities they control, based on signatures extracted from recorded documents connecting Nathan Stum to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references First International Bank & Trust, RTI Bridge Loans, and Boomerang Capital Partners, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2016 through 2024, with the most recent mortgage recorded in 2023.
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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