# Arnel Development Co

Arnel Development Co is a Single Family Office based in Costa Mesa, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Costa Mesa, United States
- **Region:** North America
- **Address:** Costa Mesa, United States
- **Founded:** 1968
- **Assets under management:** 3200 (Altss estimate)
- **Website:** arnel.com
- **LinkedIn:** https://www.linkedin.com/company/arnel-development-co

## Regulatory record

- **Reports private funds:** No

## About

Arnel Development Co traces its origins to George Argyros and co-founder Kenneth Alfred Nelson. The principals developed a real estate business centered on Southern California assets that later became the core of the family office. The firm invests in real estate through direct development and acquisitions. Asset classes include multifamily housing and commercial properties. It has executed projects such as Arnel Plaza in Costa Mesa and maintains exposure across North America. Confirmed investment stages cover buyout, development, and growth. The team includes family members Stephanie Argyros, Lisa Argyros, and George Argyros Jr. alongside operating executives. The Argyros Family Foundation serves as the primary philanthropic vehicle. No verifiable operational events from the last 24 months appear in available records. The office structure ties investment decisions directly to the founding family branch, with board roles at institutions such as Chapman University and Caltech held by George Argyros providing external governance exposure.

## Sectors

- Real Estate

## People

- George Argyros — Principal
- Julia Argyros — Principal
- Stephanie Argyros — Principal
- Lisa Argyros — Principal
- George Argyros Jr. — Principal
- David Ball — President
- Kenneth Alfred Nelson — Co-founder

## Questions

### Who runs investment decisions at Arnel Development Co?

George Argyros serves as principal. Family members Stephanie Argyros, Lisa Argyros, and George Argyros Jr. hold principal roles. David Ball has served as president.

### What asset classes does Arnel Development Co target?

The firm focuses on multifamily and commercial real estate. It executes through direct development and acquisitions in Southern California.

### Does Arnel Development Co participate in fund commitments or direct deals?

Activity centers on direct ownership and development of properties. No fund commitments are recorded in available sources.

### How is Arnel Development Co related to the Argyros Family Foundation?

The foundation serves as the family's philanthropic arm. Julia Argyros, Stephanie Argyros, and Lisa Argyros hold leadership positions there.

## Related profiles

- [OW Management](https://altss.com/profile/ow-management-oprah-winfrey-family-office)
- [Biltmore Family Office](https://altss.com/profile/biltmore-family-office-llc)

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Last updated: 2026-08-10T15:54:10.904Z

Canonical page: https://altss.com/profile/arnel-development-co

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