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Los Angeles County · California

CPA & Tax Services in San Dimas, CA — Expert Tax Accountant for Business Owners & Investors

Searching for a CPA near you in San Dimas? KDA's licensed CPAs and Enrolled Agents provide tax preparation, LLC & S Corp formation, IRS and FTB audit defense, and proactive tax strategy for San Dimas business owners, self-employed professionals, real estate investors, and high-income individuals. We know San Dimas's local economy — and we build tax strategies around it.

30+ Years in California
Licensed CPAs & Enrolled Agents
IRS + FTB Dual Agency Expertise
$0 Consultation Fee
34,000 San Dimas Residents
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Tax Services in San Dimas, CA

What San Dimas Clients Come to KDA For

From solo consultants to multi-entity real estate investors, KDA handles the full spectrum of San Dimas tax needs.

Tax Preparation in San Dimas

KDA prepares individual and business tax returns for San Dimas residents. We handle all federal and California FTB filings, identify every deduction, and ensure full compliance.

LLC & S Corp Formation in San Dimas

KDA advises San Dimas business owners on entity structure, S Corp elections, and optimal compensation strategies. We calculate the exact tax savings from an S Corp election given California's 1.5% franchise tax.

IRS & FTB Audit Defense in San Dimas

KDA represents San Dimas taxpayers before the IRS and California FTB. Our Enrolled Agents handle all correspondence, document preparation, and negotiations.

Strategic Tax Planning for San Dimas Clients

KDA builds multi-year tax plans for San Dimas business owners and high-income individuals — retirement plan optimization, capital gains timing, and California-specific planning.

Real Estate Tax Services in San Dimas

KDA helps San Dimas real estate investors maximize depreciation, execute 1031 exchanges, analyze cost segregation, and navigate California's Prop 13 and Prop 19 rules.

Bookkeeping & Payroll for San Dimas Businesses

KDA provides monthly bookkeeping, payroll processing, and financial reporting for San Dimas small businesses — keeping your books clean and your tax liability minimized year-round.

Tax Environment in San Dimas, Los Angeles County

San Dimas is a foothill community with a strong professional services and healthcare sector. Whether you are a new LLC owner figuring out your first California tax filing, a self-employed contractor trying to reduce your 15.3% self-employment tax, a real estate investor who just sold a rental property, or a high-income professional looking for aggressive but legal tax reduction — KDA's licensed CPAs and Enrolled Agents have the California-specific expertise to help. We've served Los Angeles County clients for over 30 years.

San Dimas Business & Economic Profile

San Dimas's economy is defined by a foothill community with a strong professional services and healthcare sector. This creates specific tax planning opportunities and challenges that generic national tax firms miss. Professionals and business owners who need entity structure optimization and california-specific tax planning is one of the most common issues KDA addresses for San Dimas clients. KDA builds multi-year tax plans that account for California's unique rules — the FTB's worldwide income taxation, the $800 LLC minimum franchise tax, the S Corp 1.5% net income tax, and Prop 13/19 property tax implications.

Key Tax Issues for San Dimas Residents & Business Owners

These are the tax situations KDA sees most often from San Dimas clients — and where proactive planning makes the biggest difference.

New LLC Owners in San Dimas — What You Don't Know Will Cost You

Every new LLC in California owes an $800 annual franchise tax to the FTB — due the first year, even if you made no money. San Dimas LLC owners also face quarterly estimated tax payments, self-employment tax of 15.3%, and California's additional gross receipts fees once revenue exceeds $250,000. KDA walks new San Dimas business owners through every obligation before they become penalties.

Self-Employment Tax Reduction for San Dimas Business Owners

Most San Dimas self-employed professionals pay 15.3% self-employment tax on all net income. An S Corp election eliminates SE tax on the portion above a reasonable salary — typically saving $10,000-$40,000 per year for San Dimas business owners with net profit over $80,000. KDA calculates the exact breakeven point and handles the election, payroll setup, and ongoing compliance.

California FTB Audits and Residency Disputes in San Dimas

The California FTB is one of the most aggressive state tax agencies in the country. San Dimas residents who split time between California and Nevada, Texas, or other states need to carefully document their primary residency. KDA advises on California's "safe harbor" rules and represents San Dimas taxpayers in FTB audits and residency disputes.

Real Estate Tax Opportunities for San Dimas Investors

San Dimas real estate investors have access to powerful tax strategies: depreciation deductions that offset rental income, 1031 exchanges that defer capital gains indefinitely, cost segregation studies that accelerate depreciation, and California's Prop 19 rules for inherited property. KDA helps San Dimas investors build tax-efficient real estate portfolios.

Who KDA Serves in San Dimas

KDA works with a wide range of San Dimas clients. Here are the profiles we see most frequently — and how we help each one.

New Business Owners & LLCs in San Dimas

Just formed your LLC in San Dimas? KDA helps new business owners understand their California tax obligations from day one — the $800 franchise tax, quarterly estimated payments, payroll requirements, and the S Corp election decision. We prevent the costly surprises that hit most new San Dimas business owners in their first year.

Self-Employed & 1099 Contractors in San Dimas

Freelancers, consultants, and 1099 contractors in San Dimas face the full 15.3% self-employment tax plus California's state income tax. KDA reduces this burden through S Corp elections, retirement plan optimization (up to $69,000/year in a Solo 401(k)), and comprehensive deduction strategies.

Real Estate Investors in San Dimas

San Dimas real estate investors benefit from KDA's expertise in depreciation, 1031 exchanges, cost segregation, passive activity loss rules, and California's Prop 13 and Prop 19 property tax environment. Whether you just sold a rental property or are building a portfolio, KDA has the strategy.

High-Income Professionals in San Dimas

High-income W-2 employees and professionals in San Dimas often believe they have no tax planning options. KDA regularly identifies $10,000-$50,000 in annual savings through backdoor Roth strategies, HSA optimization, equity compensation timing, charitable giving strategies, and California-specific deductions.

ZIP Codes Served in San Dimas

KDA serves clients in all San Dimas ZIP codes: 91773. We also serve surrounding Los Angeles County communities and can meet in person or virtually.

Find a CPA in San Dimas, CA

KDA's licensed CPAs and Enrolled Agents serve San Dimas and all of Los Angeles County. Book a free consultation — no obligation, no sales pitch.

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KDA Client Results in San Dimas & Los Angeles County

These anonymized case studies represent real outcomes for clients in San Dimas and the surrounding area. Individual results vary based on income, entity structure, and tax situation.

New LLC Owner
Saved $22,800/year

San Dimas LLC Owner Discovers S Corp Election

A San Dimas professional services business owner with $195,000 in net profit came to KDA after their first year as a sole proprietor — they had paid $27,500 in self-employment tax and had no idea the S Corp election existed. KDA analyzed the numbers, set a reasonable salary of $75,000, and filed the S Corp election. The result: $22,800 in annual self-employment tax savings. KDA also set up a Solo 401(k) that sheltered $30,000 from California income tax. The client's total first-year benefit with KDA exceeded $35,000.

Real Estate Investor
Deferred $89,000 in taxes

San Dimas Investor Executes 1031 Exchange After Rental Sale

A San Dimas real estate investor sold a rental property they had held for 8 years, generating $310,000 in capital gain. Without planning, they faced $89,000 in combined federal and California capital gains tax. KDA structured a 1031 exchange into two smaller rental properties, deferring the entire tax liability. KDA also identified a cost segregation opportunity on one of the replacement properties that generated $31,000 in first-year bonus depreciation, creating a paper loss that offset other rental income.

See more client case studies →

Real outcomes from KDA clients across California. Individual results vary based on income, entity structure, and tax situation.

Also Serving Nearby Los Angeles County Cities

In addition to San Dimas, KDA serves clients throughout Los Angeles County, including: La Verne, Claremont, Glendora, Pomona, and more. View all city guides →

Frequently Asked Questions

Tax Questions from San Dimas Business Owners & Residents

These are the questions KDA gets most often from San Dimas clients. If your question isn't here, book a free consultation.

I just formed an LLC in San Dimas — what taxes do I owe?
Congratulations on your new San Dimas LLC. Here's what you owe California: (1) $800 annual minimum franchise tax to the FTB, due the 15th day of the 4th month after formation — even if you made no money; (2) quarterly estimated tax payments to both the IRS and FTB based on projected net income; (3) self-employment tax of 15.3% on net profit up to $168,600 and 2.9% above that; (4) gross receipts fees if annual revenue exceeds $250,000. KDA helps new San Dimas LLC owners understand and plan for all of these from day one.
KDA serves San Dimas and all of Los Angeles County with licensed CPAs and Enrolled Agents. We specialize in California tax law, business entity optimization, IRS and FTB audit defense, and strategic tax planning. We offer both in-person consultations at our La Palma, CA office and virtual consultations via video call for San Dimas clients. Book a free consultation at kdainc.com/book-a-consultation.
For most San Dimas business owners with net profit over $60,000-$80,000, an S Corp election saves significant money on self-employment tax. However, California charges a 1.5% franchise tax on S Corp net income (minimum $800), which changes the math compared to other states. KDA runs the exact numbers for your San Dimas business — use our free LLC vs S Corp Calculator for an estimate, then book a consultation for a precise analysis.
When you sell a rental property in San Dimas, you owe: (1) federal capital gains tax — 0%, 15%, or 20% depending on your income; (2) California capital gains tax — taxed as ordinary income at up to 13.3%; (3) depreciation recapture — taxed at 25% federally on all depreciation you've taken. On a property with $300,000 in gain, total taxes can exceed $90,000. A 1031 exchange can defer all of this. Contact KDA before you close — once the sale is complete, your options are limited.
If you receive an IRS or FTB audit notice in San Dimas, do not respond directly without professional representation. KDA's Enrolled Agents are licensed to represent taxpayers before both the IRS and California FTB. We handle all correspondence, document gathering, and negotiations. Early professional representation consistently produces better outcomes than self-representation — and KDA's fee is typically far less than the additional taxes and penalties that result from unrepresented audits.
For self-employed San Dimas business owners, a Solo 401(k) is typically the most powerful retirement savings vehicle — allowing contributions up to $69,000 per year ($76,500 if over 50) in 2024. Contributions are deductible against both federal and California income tax. A SEP-IRA allows up to 25% of net self-employment income (max $69,000) with simpler administration. KDA helps San Dimas self-employed clients choose and set up the right plan to maximize tax savings.
Yes. KDA specializes in California FTB matters including FTB audits, FTB notices, back tax resolution, installment agreements, offers in compromise, and FTB residency disputes. California's FTB is one of the most aggressive state tax agencies in the country — having professional representation is critical. KDA represents San Dimas taxpayers before the FTB at all stages, from initial notice through appeal.
KDA serves all San Dimas ZIP codes including 91773. We serve clients throughout Los Angeles County and all of California. We offer both in-person consultations at our La Palma, CA office (conveniently located in Orange County) and virtual consultations via video call — so location within San Dimas is never a barrier to getting expert California tax help.
Serving San Dimas & All of Los Angeles County

Ready to Pay Less Tax in San Dimas?

KDA's licensed CPAs and Enrolled Agents serve San Dimas business owners, investors, and self-employed professionals. Whether you need tax prep, LLC setup, audit defense, or a full tax strategy — we're ready. Book a free consultation and find out exactly how much you could save.

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