Skip to main content
Skip to main content

Construction Bonding Guide

Document Type: Reference Guide
Version: 1.0
Last Updated: February 2026
Distribute To: Estimating, Project Managers, Executives

Purpose​

Provide guidance on construction bonds, requirements, and how to obtain and manage bonding capacity.

Types of Construction Bonds​

1. Bid Bond​

Purpose: Guarantees contractor will enter contract if awarded

When Required:

  • Most public projects
  • Some private projects
  • Bid documents will specify

Typical Amount: 5-10% of bid

If Contractor Refuses Award:

  • Surety may pay difference to next bidder
  • Up to bond amount
  • Affects bonding capacity

2. Performance Bond​

Purpose: Guarantees contractor will complete work per contract

When Required:

  • Public projects (usually mandatory)
  • Private projects (owner discretion)
  • Lender requirements

Typical Amount: 100% of contract value

If Contractor Defaults:

  • Surety may complete work
  • Or pay owner to hire replacement
  • Up to bond amount

3. Payment Bond​

Purpose: Guarantees contractor will pay subs and suppliers

When Required:

  • Public projects (protects claimants, no lien rights)
  • Private projects (often with performance bond)

Typical Amount: 100% of contract value

Claimants Protected:

  • Subcontractors
  • Suppliers
  • Laborers
  • (Usually first and second tier)

4. Maintenance/Warranty Bond​

Purpose: Guarantees correction of defects during warranty

When Required:

  • Some projects
  • Typically 1-2 years

Typical Amount: 10-25% of contract value

5. Subdivision/Site Improvement Bond​

Purpose: Guarantees completion of public improvements

When Required:

  • Land development
  • Municipal requirements

How Bonds Work​

          OWNER
            │
            │ Contract
            │
       CONTRACTOR ←──── BOND ←──── SURETY
        (Principal)              (Guarantor)
            │
      If default...
            │
            ▼
    SURETY STEPS IN
    - Completes work, OR
    - Pays for completion, OR
    - Pays damages up to bond amount

Key Relationships:​

  • Principal: Contractor (you)
  • Obligee: Owner (protected party)
  • Surety: Bond company (guarantor)

Bond Costs​

Typical Rates:​

Contractor ClassRate per $1,000
Excellent$5-$15
Good$15-$25
Average$25-$35
Marginal$35-$50+

Example:​

$5,000,000 contract × $15/$1,000 = $75,000 bond cost

Factors Affecting Rate:​

  • Company financials
  • Experience
  • Work in progress
  • Project type
  • Bond amount
  • Surety relationship

Obtaining Bonding​

What Sureties Evaluate:​

The 3 C's:

  1. Character

    • Management experience
    • Reputation
    • Track record
    • References

  2. Capacity

    • Technical ability
    • Equipment
    • Personnel
    • Experience with project type

  3. Capital

    • Financial strength
    • Working capital
    • Net worth
    • Profitability

Financial Requirements:​

MetricTypical Expectation
Working Capital10-15% of backlog
Net WorthSupport bonding limit
Debt/EquityBelow 3:1
ProfitabilityConsistent profits

Documentation Required:​

  • Audited financial statements (CPA)
  • Work in progress schedule
  • Organizational documents
  • Bank references
  • Trade references
  • Personal financial statements (principals)
  • Resume/experience of key personnel

Bonding Capacity​

Single Job Limit:​

Maximum bond for one project

Aggregate Limit:​

Maximum total bonds outstanding

Example:​

  • Single: $10,000,000
  • Aggregate: $30,000,000

Factors:​

  • Net worth
  • Working capital
  • Experience
  • Current backlog
  • Surety appetite

Increasing Bonding Capacity​

Strategies:​

  1. Strengthen Financials

    • Retain earnings
    • Increase working capital
    • Reduce debt
    • Get audited statements

  2. Build Relationship

    • Work with established broker
    • Consistent surety relationship
    • Timely reporting
    • No claims

  3. Demonstrate Performance

    • Complete projects successfully
    • Maintain profitability
    • Build experience
    • Get good references

  4. Provide Collateral

    • Personal guarantees
    • Bank letters of credit
    • Cash collateral

Bond Claims​

Payment Bond Claim Process:​

For Claimants:

  1. Determine if bond exists
  2. Verify you're protected class
  3. Meet notice requirements
  4. File claim within deadline

For Contractor (Principal):

  1. Notify surety of claim
  2. Investigate validity
  3. Resolve if legitimate
  4. Dispute if not

California Payment Bond Deadlines:​

ClaimantNoticeSuit
Direct sub/supplierNone6 months
Sub-sub/supplier30 days prelim notice6 months

Bond Indemnity​

General Indemnity Agreement (GIA):​

What You're Signing:

  • Personal guarantee of principals
  • Pledge of company assets
  • Right of surety to take over
  • Obligation to hold surety harmless

Key Terms:

  • Indemnification
  • Collateral security
  • Assignment of contract
  • Books and records access

Working with Your Surety​

Best Practices:​

  • Communicate regularly
  • Provide timely financials
  • Notify of issues early
  • No surprises
  • Build relationship

What to Share:​

  • WIP reports (quarterly)
  • Annual financials
  • Large project opportunities
  • Problems (before they escalate)
  • Prequalification Procedure
  • Contract Review
  • Financial Reporting
  • Project Setup

Template provided by support.construction. Work with a qualified surety broker.