Investor Profile - CA
Mark Nelson
Mark Nelson is a real estate investor and operator based in San Diego, CA. Public filings show activity across 29 properties held through 16 holding companies. Recent mortgage relationships include Cathay Bank, Belmont Bank & Trust, and Lument.
Mark's Activity
As of June 2026, public records show approximately $11.5M in recorded mortgage exposure linked to this investor across at least 11 mortgage filings and 29 properties held through 16 holding companies. Activity appears concentrated in residential and industrial assets recorded between 2016 and 2026.
Associated People
Primary Geography
San Diego, CA
ZIP codes: 92058, 92103, 92109, 92117, and 96140
Most activity in SAN DIEGO, OCEANSIDE, CARNELIAN BAY, VISALIA, and LA JOLLA.
Property Type Breakdown
Associated Entities (16)
CA · 1 property · 4 mortgages
CA · 3 properties · 3 mortgages
+14 more entities not shown
Mortgages (11)
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/12/2025 | $5.6M | Open | Cathay Bank | ME OCEANSIDE LLC | 231 AIRPORT RD #18, OCEANSIDE, CA 92058 |
| 06/24/2025 | $700k | Closed | SPRINGWOOD SHOPPING CENTER | AE CAROUSEL LP | 1 CAROUSEL LN, UKIAH, CA 95482 |
+9 more not shown
Owned Properties (29)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 4286 MOUNT DAVIS AVE, SAN DIEGO, CA 92117 | MARK W NELSON DENISE I NELSON MARK W NELSON | Owns - 3 mos | $0 |
| 4280 FOOTHILL BLVD, OAKLAND, CA 94601 | NRS VENTURES LLC | Owns - 6 mos | $2.5M |
+27 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, industrial, and office properties across San Diego, CA.
What companies is Mark Nelson associated with?
Mark Nelson is associated with 16 entities based on extracted signatures from public records. Key entities include AE CAROUSEL LP, MARK DEVELOPMENT LLC, TRUST 5025983 LLC, TRUST 5025983 LLC SERIES OCEANSIDE, and 1921 1931 ASHBY AVE LLC.
How many properties are associated with this investor?
At least 29 properties are associated with Mark Nelson and the entities they control, based on signatures extracted from recorded documents connecting Mark Nelson to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Cathay Bank, Belmont Bank & Trust, and Lument, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2016 through 2026, 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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