Resource Library
Tax Tools & Official Resources
Use the tools, government-source links, and 97 currently published long-form articles below. Publication status does not approve or close historical review work.
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Run a Tax Estimate
Education-only calculators and bounded self-checks.ExplorePrepare Your Documents
Guided filing checklists for common tax situations.ExploreUnderstand a Tax Term
Plain-English definitions across tax, crypto, and bookkeeping.ExploreCheck Article Review Status
See the current publication status of Monaco CPA long-form articles.ExploreMonaco CPA Tools
Business structure
S-Corp Tax Comparison Calculator
Compare sole-proprietor SE tax with modeled S-Corp FICA and selected NJ filing amounts.
Business structure
SE Tax Calculator
Estimate selected federal self-employment-tax components for one person.
Crypto tax
1099-DA Basis-Gap Calculator
Compare a zero-basis scenario with the supported basis entered; no return result is predicted.
Guides & References
New Jersey Tax Guides
NJ S-Corp Recognition
Post-2022 automatic-recognition rule, separate compliance records, and older-period CBT-2553-R retroactive-relief review.
NJ LLC Formation & Taxes
Education on NJ LLC tax classification, the per-owner partnership filing fee, and annual-report obligations. Formation itself is attorney work.
NJ Capital Gains Tax
How New Jersey taxes taxable net capital gains at the same graduated rates regardless of holding period, subject to exclusions, exemptions, and category rules, plus federal/NJ basis differences and what they mean for planning.
NJ Sales Tax Guide
The 6.625% rate, taxable vs exempt items, ST-50 filing cadence, marketplace facilitators, and responsible-person liability.
NJ Tax Calendar
Federal and NJ filing and payment dates, quarterly estimated schedules, and payroll and sales-tax cadences for the season.
NJ 1099 Filing Requirements
NJ's $1,000 payer state-copy threshold, federal thresholds, and reconciling 1099-NEC, 1099-MISC, and 1099-K reporting.
NJ Business Property Tax
Deduction treatment through the business return, assessment mechanics, and appeal timelines for NJ business property.
IRS & Government
IRS - Where's My Refund? (opens in a new tab)
Check the status of your federal tax refund.
IRS Free File (opens in a new tab)
Free filing options for eligible taxpayers.
NJ Division of Taxation (opens in a new tab)
New Jersey state tax information and filings.
NJ Business Registration (opens in a new tab)
Register an existing or newly formed business for NJ tax and employer obligations (NJ-REG). Use NJ's separate Online Business Formation service to form an LLC, corporation, or LP.
IRS Tax Calendar (opens in a new tab)
Important federal tax deadlines.
Tax Forms & Documents
Small Business Tools
External links are provided for convenience only. Monaco CPA does not endorse or guarantee the accuracy of third-party websites. Use of this website does not create a CPA-client relationship.
Personal Guidance
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