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 NJ taxes capital gains as ordinary gross income, federal/NJ basis differences, and what that means 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 a new business in New Jersey.
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.
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