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Orange County · Owners & wealth · Updated September 2026 · By Alfonso Aduna, MBA

Investing for business owners in Orange County

Newer buildings, licence fees instead of a gross-receipts tax, and an owner base that usually lives in the same city as the business.

The short answer

Orange County's ownership base sits in Anaheim Canyon, the Santa Ana industrial districts, the Irvine Business Complex and the professional-services towers of Newport Center, with a dense family-business economy through Westminster, Garden Grove and Buena Park. What changes here is the absence of things: no gross-receipts tax, no municipal conveyance tax, and a shorter distance between where the owner works and where the owner lives.

Where business owners are in Orange County

Anaheim Canyon, north-east of the 91 and the 57, is the county's largest industrial district — light manufacturing, aerospace and defence suppliers, electronics, food production and the distribution that feeds them. Santa Ana carries the older industrial base around Dyer Road and the Grand Central district; Buena Park, La Palma, Cypress and Stanton hold smaller manufacturers; and Irvine runs two distinct clusters at once — the Irvine Business Complex around John Wayne Airport, which is mid-rise offices and flex space, and the Spectrum further south. The medical device industry is the county's signature: Irvine and the surrounding cities host a genuinely deep medtech supply chain, which is why so many local owners are second-tier suppliers to it. The medtech guide · machine shops.

Then the professional base, which is concentrated to an unusual degree in Newport Beach. Newport Center and the blocks around Fashion Island hold law firms, accountancy practices, title and escrow companies, investment firms and medical specialists — small, high-margin, partner-owned businesses with a handful of well-paid staff. That is the classic cash balance census, and it is why this county has a higher concentration of the design than almost anywhere else in Southern California. Mission Viejo, Laguna Niguel, Aliso Viejo and Lake Forest run the same model at smaller scale down the 5. Law firms · accounting practices · medical practices.

The third cluster is the family-business economy of the county's centre and north: Westminster and Garden Grove, Santa Ana's commercial corridors, Buena Park and Anaheim's older retail streets — restaurants, groceries, salons, auto repair, professional offices and wholesalers, frequently owned by the family that founded them and often with a second generation already working in the business. The financial question there is rarely a transaction and almost always a succession. Restaurants · salons · auto repair.

$290,000
the 2026 maximum annual benefit a defined benefit plan may promise under § 415(b) — the reason a cash balance layer can absorb multiples of any 401(k).
IRS Notice 2025-67
$72,000
the 2026 all-sources ceiling for one participant in defined contribution plans, before catch-ups.
IRS Notice 2025-67
$252,000
of modified AGI ends Roth IRA eligibility entirely for joint filers in 2026 — $168,000 single — which is where most practice owners already are.
IRS Notice 2025-67
34
incorporated cities in Orange County, licensing businesses by fee rather than taxing gross receipts as the City of Los Angeles does. Confirm your own city's schedule.
Orange County; city business licence ordinances

What changes locally

The differences from Los Angeles County are structural rather than cosmetic. Orange County cities generally license businesses with a flat or tiered fee rather than taxing gross receipts the way the City of Los Angeles does, so a bad year does not carry a revenue-based tax bill with it — check your own city's schedule, because the terms vary. There is no municipal conveyance tax here; a building sold in Anaheim or Irvine carries the county documentary transfer tax and nothing resembling the City of Los Angeles' additional charge, which materially changes the arithmetic for an owner whose exit involves the real estate. And the county's wage floor is the state's, without the patchwork of city-specific minimums that makes payroll planning in Los Angeles County a per-address exercise.

The other real difference is proximity. Orange County owners tend to live within a short drive of the business — the practice in Newport Beach with a house in Newport Coast, the manufacturer in Anaheim living in Yorba Linda — which makes the concentration problem worse rather than better. Business, building, home and often the spouse's income are all exposed to the same regional economy. From Norwalk we are 15 to 50 miles out depending on whether you are in Buena Park or San Clemente, and we do a lot of this county by video and in the evening by video. The Orange County employer picture.

What we do about it

For the professional-practice owner — the classic Newport Beach, Irvine or Mission Viejo case — the sequence is usually short and the numbers are large. Confirm you are above the Roth income limits and therefore locked out of the state programme personally. Get the 401(k) layer right, which normally means a safe harbor design with profit sharing. Then, if the profit has been consistently high for several years and you are older than your staff, model a cash balance plan with your TPA and an enrolled actuary: because a defined benefit plan's ceiling is the benefit it promises — $290,000 a year for 2026 — rather than the $72,000 that defined contribution plans allow one person, the deduction available is often several times what the owner has been taking. This is the single most under-used structure we see in this county.

For the manufacturer or the family retailer the work is different and slower: a household reserve that is genuinely separate from the operating account, a plan the payroll can carry without renegotiating it every year, and a long conversation about whether the exit is a sale or a handover. Those are not the same plan. A sale needs a buyer and a clean set of books; a handover needs the retiring owner to have income that does not depend on the business's next three years, which usually means more money moved out earlier than feels comfortable.

We are fee-only and take nothing from any provider, so a recommendation that Orange County owners hear constantly — that a bundled insurance-and-plan package is the tax-efficient answer — gets tested here against the plain arithmetic. Valuation, buy-sell drafting and entity questions go to your CPA and your attorney; we coordinate. What we charge.

The structures that apply: Solo 401(k), Safe harbor 401(k), Cash balance, SEP-IRA, SIMPLE IRA, CalSavers. The full guide for business owners goes through each one, and here is the same audience in Los Angeles County.

Fifteen minutes, no charge

We are in Norwalk, which is inside Los Angeles County and minutes from the Orange County line. Come to us, we come to you, or we do it by video — evenings by video.

Your city

Orange County has 34 incorporated cities and about 3.1 million residents. These are the ones where business owners concentrate, each with its own page:

All 89 cities we publish a page for →

Our fees, published

No competing advisor page in this area publishes its fees. Here are ours.

WhatFee
Investment management1.5% to 2.0% of assets per year; Advisers may set a rate below the standard schedule, as low as 0%, at their discretion — and whatever rate applies to you is disclosed in writing before you engage. Our Form ADV Part 2A, Item 5, states the fee as up to 2.00% of assets per year, subject to negotiation; the firm may waive all or part of it. Generally billed quarterly in arrears
Account minimumNo minimum account balance
Commissions and product feesNone — we are fee-only
Solicitor compensationMay be received or paid under disclosed arrangements
Initial conversationFree, 15 minutes, no obligation

Complete fee details in our Form ADV Part 2A, Item 5.

Questions

I own a practice in Newport Beach with six staff. Where do I start?

With three numbers: your modified AGI against the Roth limits, what you are currently deferring, and the ages and salaries of the six. Almost every practice owner at that scale is locked out of the Roth IRA and CalSavers personally, is deferring well under what the law allows, and has a census that supports a safe harbor design with profit sharing. Whether a cash balance layer sits on top depends on how stable the profit has been and how much older you are than the staff. That whole analysis takes one meeting and a census file.

Does Orange County have anything like the LA city business tax?

Not in the same form. Cities here generally charge a business licence fee rather than a tax on gross receipts, and there is no municipal conveyance tax comparable to the City of Los Angeles'. Fees, classifications and renewal terms differ city by city, so confirm yours directly with the city; what does not differ is the state mandate, which applies identically in every city in California. The CalSavers hub.

My children work in the business. Does that change the retirement plan?

It changes the census and it may change the design — family members employed by the business are participants like anyone else, and ownership attribution rules can affect testing and who counts as a key employee. It also changes the exit conversation completely, because a handover is not a sale and does not produce a cheque. Both halves need real arithmetic; the ownership and attribution questions belong with your TPA and CPA.

Is Norwalk too far for a real relationship?

It is between fifteen and fifty miles depending on where in the county you are, and we will not pretend a San Clemente owner will drop in. Video for the routine reviews, evenings by video when that suits, and we travel for the meetings that matter. Nothing about the fee changes with distance.

We supply the medtech companies in Irvine. Our revenue is three customers.

Then your household portfolio should look nothing like the medical device industry, and your reserve should be sized against the loss of the largest customer rather than against a generic number of months. Customer concentration inside the business is the same risk as stock concentration outside it, and it is the argument for taking money off the table in the good years rather than reinvesting all of it in capacity for those three accounts.

We are a family business in Westminster or Garden Grove and the next generation is already working here.

The financial questions are succession questions: how the retiring generation is paid, whether the transfer happens by sale, gift or over time, what happens to any real property under California's Proposition 19 reassessment rules, and whether the business can carry both a retirement income and a working salary for the next generation at once. Documents and valuation are attorney and CPA work. We handle the part that makes the retiring generation independent of the outcome. Proposition 19.

Do you work with Orange County employers on the plan itself, not just my own money?

Yes — plan design, provider selection and serving as a named 3(38) or 3(21) fiduciary, all on a disclosed fee with no compensation from any provider. The two sides genuinely are separate engagements, and you can hire us for either. The plan service · the fiduciary roles.

What does this cost, and is there a minimum?

There is no minimum to open an account. We ask for $50 a month of continuing deposits, because a plan you do not fund is not a plan. Investment management is 1.5% to 2.0% of assets per year, billed quarterly, and it is published on the site — which is more than most firms in this market will tell you before a meeting.

Do I have to have a lot saved already?

No, and that is deliberate. Most firms set a minimum precisely to avoid people at the start of this. We built the opposite: $0 to open, and the same fiduciary standard whether the account is four figures or seven.

¿Atienden en español?

Sí. Atendemos en español, y buena parte de nuestro material existe en español, escrito originalmente, no traducido por máquina.

Investing involves risk, including possible loss of principal. Any figures on this page are illustrations used to explain how something works. They are not projections, forecasts or guarantees, and past performance does not predict future results.
Aduna Capital LLC is an investment adviser registered with the California Department of Financial Protection and Innovation (CRD #311270). Registration does not imply a certain level of skill or training. Educational information only — not investment, legal or tax advice, and not personalised to your situation. We do not provide tax or legal advice; work with your own CPA and attorney. This page displays no client testimonials; California 10 CCR § 260.235 prohibits them for state-registered advisers. Aduna Capital is registered as an investment adviser in California and maintains its principal office in Norwalk. We are not affiliated with CalSavers, the California State Treasurer's Office, or any recordkeeper, third-party administrator, payroll company, insurer or business broker.