NYC, New York State, NJ, PA, CT, MA, and IRS federal tax brackets, commuter credits, NJ exit tax, and residency audits.
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NYC mansion tax, CEMA mortgage recording tax savings, Tri-State property tax bills, PITI amortization, and rent-vs-buy math.
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401(k) and Roth IRA compounding, NY estate tax cliff, capital gains + NIIT, and Social Security taxability.
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FOMC interest rate policy, state-tax-exempt US Treasury bills vs. CDs, SOFR, inflation, and FX reference rates.
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SBA 7(a) & 504 commercial loan amortization, NYC 4% UBT freelancer tax, LLC vs. S-Corp payroll math, and NY PTET.
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Independent economic commentary, fiscal policy analysis, and institutional perspectives across the US East Coast.
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Verified economic analysis, tax rules, and financial calculator guides covering charleston-property-tax across New York and the US East Coast.
Complete 2026 South Carolina property tax guide explaining why a 4% Legal Residence pays 65%–70% less tax than a 6% Second Home under Act 388 in Charleston, Kiawah Island, Hilton Head, and Greenville.
| East Coast Jurisdiction | Governing 2026 Statutory Rule | Primary Tax / Filing Form | Interactive Calculator |
|---|---|---|---|
| New York City & NYS | 4%–10.9% NYS + 3.078%–3.876% NYC · Convenience Rule | NYS IT-201 / IT-203 / TP-584 | NYC & NYS Paycheck Calc → |
| NY–NJ Cross-Border Corridor | Resident Credit Offset + $15,000 NJ Property Tax Deduction | NJ-1040 Schedule NJ-COJ + IT-203 | NY–NJ Commuter Credit Calc → |
| NYC & Downstate Real Estate | 1.0%–3.9% Mansion Tax · 1.80%/1.925% MRT · § 255 CEMA | NYC ACRIS RPTT / NYS TP-584 | NYC CEMA Savings Calc → |
