Section 1031 Exchange & Capital Gains Tax Calculator

Partial 1031 Exchange Boot Calculator: IRC Section 1031(a)(3) Deadlines & Boot Rules

Under IRC Section 1031(a)(3) & IRS Form 8824, the $2.5M Sale ($650k Basis, $400k Sec. 1250 Recapture, CA to TX) benchmark shifts from $706,350 Immediate Tax Outflow (28.25% Drag) under baseline treatment to $0 Current Tax via Qualified Intermediary Roll when structured within statutory compliance thresholds (+$706,350 Reinvested Equity Shield net variance). Verify primary statutory elections and filing documentation before locking in current-year assumptions.

• Baseline vs. Optimized Spread: $2.5M Sale ($650k Basis, $400k Sec. 1250 Recapture, CA to TX) moves from $706,350 Immediate Tax Outflow (28.25% Drag) to $0 Current Tax via Qualified Intermediary Roll (+$706,350 Reinvested Equity Shield) under IRC Section 1031(a)(3) & IRS Form 8824.
• Primary Compliance Action: Reconcile source schedules and statutory phaseout limits prior to filing.

Audit-Ready Partial 1031 Exchange Boot Calculator Deferral Scenarios & Form 8824 Compliance

Evaluating Partial Downsize to $2.2M Replacement ($300k Net Boot) under IRC Section 1031(b) & Section 1250 contrasts a $706,350 Unmitigated Taxable Sale baseline against $594,450 Deferred / $111,900 Boot Tax Recognized under optimized execution, producing a -$111,900 Boot Leakage (Recapture First) statutory impact. Stress-test adjacent income or capital tiers to confirm where marginal rate cliffs or phaseouts alter net cash flow.

• Threshold Sensitivity (Partial Downsize to $2.2M Replacement ($300k Net Boot)): $706,350 Unmitigated Taxable Sale baseline versus $594,450 Deferred / $111,900 Boot Tax Recognized optimized outcome (-$111,900 Boot Leakage (Recapture First) delta).
• Governing Citation: Enforced under IRC Section 1031(b) & Section 1250 and companion reconciliation schedules.

Partial 1031 Exchange Boot Calculator: Partial 1031 Exchange Cash & Mortgage Boot Calculation (IRC Section 1031(b))

Full reinvestment of $2.5M proceeds deferring $706,350 combined federal, Section 1250 recapture, NIIT, and CA state tax (with FTB Form 3840 tracking). Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Section 1031 Calculator: IRC Section 1031(a)(3) Deadlines & Boot Rules

Acquiring $2.2M replacement property triggers $300,000 taxable boot taxed first against 25% Section 1250 recapture and state clawback. Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Audit-Ready Section 1031 Calculator Deferral Scenarios & Form 8824 Compliance

Closing between Oct 19 and Dec 31 truncates the 180-day window to the April 15 tax filing deadline unless IRS Form 4868 is filed prior to filing. Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Maine 1031 Exchange: IRC Section 1031(a)(3) Deadlines & Boot Rules

Full reinvestment of $2.5M proceeds deferring $706,350 combined federal, Section 1250 recapture, NIIT, and CA state tax (with FTB Form 3840 tracking). Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Audit-Ready Maine 1031 Exchange Deferral Scenarios & Form 8824 Compliance

Full reinvestment of $2.5M proceeds deferring $706,350 combined federal, Section 1250 recapture, NIIT, and CA state tax (with FTB Form 3840 tracking). Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Maine 1031 Exchange: State Capital Gains Tax Deferral & Clawback Reporting Rules

Full reinvestment of $2.5M proceeds deferring $706,350 combined federal, Section 1250 recapture, NIIT, and CA state tax (with FTB Form 3840 tracking). Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.

Maine 1031 Exchange: Partial 1031 Exchange Cash & Mortgage Boot Calculation (IRC Section 1031(b))

Full reinvestment of $2.5M proceeds deferring $706,350 combined federal, Section 1250 recapture, NIIT, and CA state tax (with FTB Form 3840 tracking). Retaining contemporaneous workpapers, source receipts, and signed election schedules substantiates treatment across federal and state compliance reviews.

• Stress-Test Benchmark (Post-Oct 18 Relinquished Closing Without Form 4868 Extension): Exchange Window Truncated on April 15 baseline vs. Full 180 Calendar Days Preserved via Form 4868 optimized (Prevents Disqualification After Day 105-179) under IRC Section 1031(a)(3)(B)(ii) & Treas. Reg. 1.1031(k)-1.
• Audit-Ready Substantiation: Archive timestamped ledger entries, valuation schedules, and statutory election forms with the primary return.