Crypto Tax Accountant
Serving California
Licensed Help for Crypto Investors , Remote, Federal, All 50 States
Reviewed by Leanne Grant, Enrolled Agent · Updated: May 2026
Phone: (858) 434-7547
Most clients book a 15-minute call within 24 hours.
Cities We Serve in California
Looking for a crypto tax CPA in California? We serve clients in San Francisco, Los Angeles, San Diego, and San Jose.
Key Facts About Crypto Taxes in California
- California taxes crypto gains as ordinary income at rates up to 13.3%, the highest in the U.S.
- California conforms to federal crypto tax treatment (cost basis, FIFO/specific-ID, capital gains classification).
- California does not offer preferential long-term capital gains rates at the state level.
- The Franchise Tax Board (FTB) actively audits crypto-related residency claims for high earners exiting California.
- Federal crypto tax preparation by a CPA licensed in any state is legally valid for California residents.
California crypto investors face a unique double-stack: federal capital gains tax PLUS the highest state income tax in the country at 13.3%. We help residents from Los Angeles to San Diego to the Bay Area properly reconcile their portfolios, claim every legitimate basis adjustment, and plan for exit scenarios when relocating to lower-tax states like Nevada or Texas. Garrett's California CPA license (#133092) means he understands FTB nuances first-hand, but because federal tax law is uniform, his federal return preparation works for residents anywhere.
Why California Crypto Investors Choose COS Elite
California has the largest crypto investor base in the U.S. and the highest state income tax rate at 13.3%, stacked on top of federal capital gains. Proper basis tracking and reconciliation often determines whether California residents owe five figures or six.
With a population of 39.4 million, California is home to a significant and growing community of cryptocurrency investors , from Los Angeles to San Jose. Whether you hold Bitcoin, Ethereum, DeFi positions, or NFTs, every transaction creates a federal tax event that must be reported on IRS Form 8949 and Schedule D.
COS Elite provides remote crypto tax preparation for Californiaresidents. Garrett Taylor, CPA #133092, is a California-licensed CPA authorized to prepare federal crypto tax returns for clients in all 50 states. Because federal tax law is uniform, your federal return preparation is the same quality whether you're in Los Angeles or anywhere else.
California clients also rely on us for crypto tax preparation, interpreting IRS rules, and full digital asset reconciliation before filing.
California Tax Treatment of Cryptocurrency
California conforms to federal tax treatment on a rolling basis, meaning IRS rules on cost basis, capital gains classification, and crypto reporting requirements apply directly at the state level. The top state rate of 13.3% applies to crypto gains, stacked on top of federal capital gains tax. Proper reconciliation of your on-chain activity and accurate cost-basis tracking are essential to minimize the combined burden.
Federal Crypto Tax Treatment (Applies in California)
Common Crypto Tax Issues in California
Missing or incomplete cost basis
Exchanges lose data, wallets get abandoned, and chain history gets fragmented. Reconstructing accurate cost basis across years of trading is the #1 challenge we solve.
DeFi and cross-chain complexity
Liquidity pool entries, yield farming, cross-chain bridges, wrapped tokens, and restaking events each create taxable moments that most software misses or misclassifies.
Unreported prior-year activity
Many crypto investors discover years of unreported trades after receiving an IRS letter. We help with back-year reconstruction, voluntary disclosure, and getting compliant without panic.
Exit-planning before relocating to a no-income-tax state (FTB residency audits)
AB-150 PTET interplay for crypto trading entities
FTB scrutiny on large reported gains
How COS Elite Serves California Residents
Our remote engagement works seamlessly from anywhere in California. Four steps, start to finish.
Onboard
You book a free 15-minute call. We review your situation, exchanges, wallets, and DeFi activity. You get a fixed-fee quote before committing.
Reconcile
We pull your full on-chain history, map every transaction to its tax treatment, and reconstruct cost basis across all chains and wallets.
Review
Garrett prepares your return. Leanne Grant, Enrolled Agent, reviews for accuracy. Every position is documented, every basis adjustment explained.
File
Your federal return is filed electronically. State returns are coordinated as needed. You get a complete copy of all workpapers for your records.
Pricing & Engagement
Initial Deep Dive
Comprehensive review of your crypto activity, tax position, and strategy options. Fixed fee, no surprises.
Individual Return
Full federal tax return preparation with crypto reconciliation. Scales with complexity. Fixed fee quoted after initial call. California state filings coordinated as needed.
All fees are quoted in writing before you commit. We accept cryptocurrency payments via Coinbase Business. State-level California filings are coordinated with state-licensed practitioners as needed.
About Garrett Taylor
Garrett Taylor, CPA
CPA #133092 · California · Federally Authorized
Garrett Taylor is a California-licensed CPA (#133092) with Big Four and family office experience. Because federal tax law is uniform across all 50 states, Garrett can prepare federal crypto tax returns for any U.S. resident, including California residents. State-level filings are coordinated as needed. Garrett specializes in cryptocurrency taxation, DeFi compliance, and digital asset reconciliation.
Leanne Grant, EA
Enrolled Agent · IRS-Authorized · Reviewer
Leanne Grant is an IRS-enrolled agent who reviews every return prepared by COS Elite. Enrolled Agents are federally licensed tax practitioners authorized to represent taxpayers before the IRS. Leanne's review adds an additional layer of accuracy and compliance assurance to every Californiaclient's return.
Frequently Asked Questions
Have a question that isn't here?
Ready to Get Your Crypto Taxes Done Right?
Book a free 15-minute call with Garrett or call us directly. We serve California residents remotely.