Christiansen Accounting

Christiansen Accounting Christiansen Accounting, serves clients in Claremont, Upland, San Dimas, Pomona, Montclair and La Ve

Christiansen Accounting is a 3rd generation family run full-service accounting firm located in Claremont, CA. We can provide you with assistance in all your tax, financial, and business affairs — assistance that will improve your total financial well-being. With our experience and expertise, you can rely on us for all the advice that you need.

Think your tax return is safe after 3 years? Not always. A recent court ruling means the IRS may have unlimited time to ...
10/07/2026

Think your tax return is safe after 3 years? Not always. A recent court ruling means the IRS may have unlimited time to review a fraudulent return—even if the preparer was the one at fault. Learn what this means for taxpayers and how to protect yourself. Read now.

In Murrin v. Commissioner, the Supreme Court let stand a ruling allowing the IRS to assess taxes indefinitely in cases of preparer fraud.

Handling cash in your business? 💵 You may be surprised what does — and doesn’t — trigger IRS Form 8300 reporting. From c...
10/06/2026

Handling cash in your business? 💵 You may be surprised what does — and doesn’t — trigger IRS Form 8300 reporting. From cash payments over $10,000 to common mistakes that can lead to penalties, staying compliant is easier when you know the rules. Read now to protect your business and avoid costly surprises.

Learn when California business owners must file Form 8300 for cash transactions over $10,000 to maintain tax compliance and avoid severe penalties.

Accepted a large cash payment in your California business? 💵 You may have a Form 8300 filing requirement sooner than you...
10/05/2026

Accepted a large cash payment in your California business? 💵 You may have a Form 8300 filing requirement sooner than you think—and missing it can create real compliance headaches. Learn what triggers reporting and how to stay ahead of IRS and FinCEN rules. Read now.

Learn why the IRS and FinCEN require businesses to file Form 8300 for large cash transactions and how Christiansen Accounting can keep you compliant.

10/05/2026

Learn when businesses must file Form 8300, what counts as cash, and the reporting rules that apply to large cash payments.

A fake 49ers player, luxury lifestyle, and “exclusive” investments helped fuel a $1.3M fraud scheme—proving scams can lo...
10/02/2026

A fake 49ers player, luxury lifestyle, and “exclusive” investments helped fuel a $1.3M fraud scheme—proving scams can look surprisingly polished. Learn the red flags, tax implications, and what to do if you’ve been affected. Read now.

A fake 49ers player defrauded investors of $1.3 million. Understand the red flags of romance scams and the tax rules for investment fraud losses.

Elder fraud isn’t just a scam—it’s a fast-moving, highly manipulative threat that can wipe out savings in minutes. Learn...
10/01/2026

Elder fraud isn’t just a scam—it’s a fast-moving, highly manipulative threat that can wipe out savings in minutes. Learn the red flags, the most common schemes, and simple steps to protect yourself or a loved one. Read now and stay one step ahead.

Learn how to identify common elder fraud schemes, recognize key red flags, and take steps to protect older adults and their assets.

Think your “limited partner” status automatically protects you from self-employment tax? Not always. Recent court ruling...
10/01/2026

Think your “limited partner” status automatically protects you from self-employment tax? Not always. Recent court rulings have made this issue more complex for partnerships, LLCs, and active business owners. Learn what’s changed and how to reduce audit risk. Read now.

Recent court rulings have disrupted the limited partner self-employment tax shield. Learn how these changes impact your tax planning.

Retirement tax planning isn’t a year-end scramble—it’s a smart move now. From Roth conversions to RMDs and the senior de...
09/30/2026

Retirement tax planning isn’t a year-end scramble—it’s a smart move now. From Roth conversions to RMDs and the senior deduction, the wrong timing could cost you more than you expect. Find out how these pieces work together before December 31. Read now.

Explore crucial retirement tax moves for 2026 before Dec 31. Learn about Roth conversions, RMDs, Social Security coordination, and senior tax deductions.

Crypto investors, beware: a convincing IRS mail scam is using QR codes to steal sensitive info. Learn how to spot the fa...
09/29/2026

Crypto investors, beware: a convincing IRS mail scam is using QR codes to steal sensitive info. Learn how to spot the fake “Digital Asset Compliance Portal” before you scan. Read now and protect your wallet, passwords, and tax data.

Protect your crypto wallet and credentials from the fraudulent 'IRS Digital Asset Compliance Portal' letter. Learn how to verify IRS notices safely.

Apple’s latest tax disclosure is eye-opening: nearly 40% of its $43.2B global tax bill went to Ireland. Why did Ireland ...
09/28/2026

Apple’s latest tax disclosure is eye-opening: nearly 40% of its $43.2B global tax bill went to Ireland. Why did Ireland fight to keep Apple’s back taxes out of court for years? Learn what this means for businesses navigating tax planning and expansion. Read now.

Apple's $17.1B Irish tax payment highlights the impact of corporate structures. Christiansen Accounting breaks down key lessons for expanding businesses.

Address

140 W Foothill Boulevard, Ste E
Claremont, CA
91711

Opening Hours

Monday 9am - 4pm
Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 4pm

Telephone

+19094476802

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