iFileTaxiFileTax

DIY Tax Filing

File your taxes yourself with our guided process

AI Tax Assistant

Get intelligent help powered by AI

File It For Me

Let our CPAs handle everything

Freelancer Hub

Tools for gig workers and creators

Business Tax

Complete business tax solutions

CPA Marketplace

Find and connect with tax pros

Tax Blog

Tax tips and guides

Tax Forms Library

IRS forms and state guides

Tax Calculators

Estimate your taxes

PricingMarketplaceContact
Tax Knowledge Center

Tax Blog & Guides

Expert tips, step-by-step guides, and everything you need to file your taxes with confidence. Updated for the 2026 tax season.

Categories

All Articles (2925)Tax Planning (1714)State Taxes (299)IRS Forms (197)Tax Compliance (100)Freelancers & Gig Workers (98)Real Estate (97)Small Business (95)Income & Reporting (93)Deductions & Credits (44)Income (29)Tax Situations (21)Health (13)Retirement (12)Deductions (11)Immigration (10)Education (10)Foreign Income (8)Life Events (7)Investments (7)Self-Employment (7)Military (6)Filing Status (6)Dependents (6)Family (4)Filing Basics (4)Disasters (3)Audits (3)Estates (3)Gifts (3)Credits (3)Inheritance (3)Tax Problems (3)Employment (2)Getting Started (2)Tax Tips (1)Deadlines (1)

Popular Articles

1

Complete IRS Audit & Enforcement Survival Guide

2

Complete Year-Round Tax Planning Checklist

3

How Small Businesses Should File Taxes for the First Time

Tax Tips Newsletter

Get weekly tax tips and deadline reminders straight to your inbox.

Category: State Taxes

299 articles found

Clear filters
State Taxes4 min read

California Tax Brackets and Progressive Rates

Complete guide to California tax brackets and progressive rates. Understand California's progressive tax system, tax brackets, rates, and how California calculates state income tax.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

California Tax Deductions That Differ from Federal

Complete guide to California tax deductions that differ from federal. Understand which deductions differ, how they differ, and how to claim California-specific deductions.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes4 min read

California Taxes for Remote Workers

Complete guide to California taxes for remote workers. Understand how California taxes remote workers, residency rules, and tax obligations for remote workers in California.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

California Treatment of Stock Options and RSUs

Complete guide to California treatment of stock options and RSUs. Understand how California taxes stock options, RSUs, and equity compensation in California.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

Colorado Flat Tax Rate Explained

Complete guide to Colorado flat tax rate. Understand Colorado's flat tax system, the 4.4% flat rate, and how Colorado calculates state income tax.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes4 min read

Colorado Residency and Part-Year Tax Filing

Complete guide to Colorado residency and part-year tax filing. Understand how Colorado determines residency, part-year resident filing, and how to file correctly as a part-year resident.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes4 min read

Comparing High-Tax vs Low-Tax States

Complete guide to comparing high-tax vs low-tax states. Understand which states have high taxes, which have low taxes, and how to compare state tax burdens.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

Complete State Tax Planning Checklist

Complete guide to complete state tax planning checklist. Understand comprehensive state tax planning steps, compliance requirements, and how to plan state taxes effectively.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes4 min read

Connecticut Estate and Gift Tax Rules

Complete guide to Connecticut estate and gift tax rules. Understand Connecticut estate tax, gift tax, exemption amounts, and how Connecticut estate and gift taxes work.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

Connecticut Tax Brackets and Rates

Complete guide to Connecticut tax brackets and rates. Understand Connecticut's progressive tax system, tax brackets, rates, and how Connecticut calculates state income tax.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes3 min read

Delaware Tax Rules for Retirees

Complete guide to Delaware tax rules for retirees. Understand how Delaware taxes retirement income, Social Security, pensions, and tax benefits for retirees.

PN

Patricia Nguyen

January 25, 2026
Read Article
State Taxes4 min read

Delaware Taxes on Investment Income

Complete guide to Delaware taxes on investment income. Understand how Delaware taxes investment income, capital gains, dividends, and interest income.

PN

Patricia Nguyen

January 25, 2026
Read Article
Previous123...25Next

Ready to File Your Taxes?

Put your knowledge to work. Start your free return with iFileTax today.

Start Free Return
iFileTaxiFileTax

The single operating system for taxes. File yourself, with AI, or let a CPA handle it — all in one place.

support@ifiletax.com1-800-IFILETAX
San Francisco, CA

Services

  • DIY Tax Filing
  • AI Tax Assistant
  • File It For Me
  • Freelancer Hub
  • Business Tax
  • CPA Marketplace

Resources

  • Tax Forms Library
  • Tax Calculator
  • Learning Center
  • Blog
  • FAQs
  • Tax Deadlines

Company

  • About Us
  • Careers
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  • Security
  • Accessibility
  • Cookie Policy
SSL
256-bit Encryption
IRS
Secure E-Filing

© 2026 iFileTax. All rights reserved.

Tax advice provided by licensed CPAs. iFileTax is not a law firm and does not provide legal advice.