LienBond publishes deterministic mathematical calculators and statutory reference schedules designed for licensed general contractors, trade subcontractors, construction CFOs, and commercial project owners evaluating surety bond underwriting tiers, NCCI workers compensation class code rates, Experience Modification Rate (EMR) surcharges, 50-state mechanics lien recording deadlines, and federal Davis-Bacon Certified Payroll (Form WH-347) fringe obligations.
| Compliance Domain | Primary Statutory Citation | Verification Standard |
|---|---|---|
| Federal & State Surety Bonds | 40 U.S.C. Section 3131 & Treasury Circular 570 | SFAA Tiered Indemnity Schedules |
| Workers Compensation & EMR | NCCI Experience Rating Plan Manual | BLS Occupational Injury & Illness Series |
| 50-State Mechanics Liens | State Civil & Property Codes (CA, TX, FL, NY) | County Recorder Statutory Notice Windows |
| Federal Prevailing Wage Payroll | 40 U.S.C. Section 3141 & 29 CFR Part 5 | DOL WHD Form WH-347 Fringe Rules |
No calculation, workpaper, preliminary notice template, conditional or unconditional waiver matrix, or AIA Document A312 bond schedule generated on LienBond constitutes legal counsel, attorney-client privilege, or a recorded county encumbrance. Users must verify parcel legal descriptions, general contractor statutory agent addresses, and municipal holidays prior to serving preliminary notices or recording mechanics liens.
| Calculator Model | Governing Statutory Authority | Deterministic Formula | Baseline Output |
|---|---|---|---|
| NCCI Workers Compensation Class Code Rate Calculator by State | IRC Section 3111 Payroll Burden, 29 CFR Part 1904 OSHA Recordkeeping, and NCCI Basic Manual Class Codes | round((field_trade_payroll / 100.0) * class_code_rate_per_100 * emr_modification_factor, 2) |
44,200.00 |
| Contractor License Bond Cost Calculator by Credit Score | 31 CFR Part 223 U.S. Treasury Circular 570, 40 U.S.C. Section 3131, and California BPC Section 7071.6 | round(bond_penalty_amount * (underwriting_rate_pct / 100.0) * multi_year_discount_factor, 2) |
375.00 |
| Miller Act Performance and Payment Bond Premium Calculator | 40 U.S.C. Section 3131 Federal Miller Act, 48 CFR Part 28 (FAR 28.102-2), and State Little Miller Acts | round(min(contract_price, 100000.0) * 0.025 + max(0.0, min(contract_price - 100000.0, 400000.0)) * 0.015 + max(0.0, contract_price - 500000.0) * (sliding_tier_rate_pct / 100.0), 2) |
15,500.00 |
| 50-State Contractor Mechanics Lien Release Statutory Matrix | 40 U.S.C. Section 3133(b) Miller Act 90-Day Notice Rule, California Civil Code Section 8132, and Texas Property Code Chapter 53 | round(unpaid_contract_draw + change_order_balance - min(unpaid_contract_draw + change_order_balance, unserved_late_days * daily_forfeiture_rate), 2) |
97,500.00 |
| Commercial Construction Retainage Interest Penalty Calculator by State | 31 U.S.C. Section 3903 Federal Prompt Payment Act, 48 CFR 52.232-5 Progress Payments, and State Retainage Caps | round(gross_contract_billed * (retainage_holdback_pct / 100.0) * (1.0 + (credit_line_apr_pct / 100.0) * (retainage_hold_days / 365.0)), 2) |
93,772.60 |
| Davis-Bacon Prevailing Wage and WH-347 Fringe Benefit Rate Calculator | 40 U.S.C. Section 3141 Davis-Bacon Act, 29 CFR Section 5.5 Certified Payroll WH-347, and IRC Section 3111 | round(annual_prevailing_hours * (base_hourly_wage + (required_fringe_hourly - bona_fide_plan_credit_hourly) * (1.0 + payroll_tax_burden_pct / 100.0) + bona_fide_plan_credit_hourly), 2) |
146,380.00 |
| ERISA Section 412 Fidelity Bond Coverage Amount Calculator | 29 U.S.C. Section 1112 (ERISA Section 412), 29 CFR 2580.412-1, and U.S. Treasury Circular 570 | round(min(max(qualifying_plan_assets * 0.10, 1000.0), 500000.0), 2) |
240,000.00 |
| Contractor Overhead and Profit Markup vs Margin Calculator | 48 CFR Part 31 (FAR Contract Cost Principles), IRC Section 460 Percentage-of-Completion, and AIA A102 | round(direct_job_cost / (1.0 - (overhead_pct + target_net_profit_pct) / 100.0), 2) |
425,000.00 |
| Experience Modification Rate (EMR) Workers Comp Penalty Calculator | 29 CFR Part 1904 Occupational Injury Reporting, IRC Section 162 Insurance Deduction, and NCCI Experience Rating Plan Rule 2-E | round(manual_workers_comp_premium * emr_factor * (1.0 - safety_credit_pct / 100.0), 2) |
56,810.00 |
| California, Texas and Florida Preliminary Notice Deadline Calculator | 40 U.S.C. Section 3133(b) Miller Act, California Civil Code Section 8204, Texas Property Code Section 53.056, and Florida Statutes Section 713.06 | round(unpaid_progress_billing * max(0.0, min(1.0, (statutory_lookback_window_days - max(0.0, days_elapsed_since_first_furnishing - statutory_lookback_window_days)) / statutory_lookback_window_days)), 2) |
120,000.00 |