Los Angeles B-Permit Improvement Security Bond
What it is & who requires it
Contractors performing public-improvement (street, curb, gutter, sewer) construction under a City of Los Angeles B or BC permit.
Obligee: City of Los Angeles, Los Angeles County, California. Citation: City of Los Angeles Bureau of Engineering B-Permit requirements (LAMC public-works permit provisions).
Bond amount
The City Engineer’s estimate of construction cost, plus a 15% contingency factor and a 50% cost-increase factor (subdivisions add 50% of the improvement security for labor and materials).
How to get it
This bond is individually underwritten, so it is not issued instantly. Request a quote and a licensed producer follows up to walk you through it.
Request a bond quote
Tell us about the bond and the project. A licensed producer follows up — these bonds are individually underwritten, so they are not issued instantly.
Term & renewal
Term: Until completion/acceptance
Renewal: N/A (project-bound)
Filing
Required for public-improvement work under a City of Los Angeles Bureau of Engineering B or BC permit. The surety must be listed in the Federal Register and California-admitted; a cash bond or certificate of deposit is accepted in lieu. The amount is the City Engineer’s construction-cost estimate plus contingency and cost-increase factors, and liability insurance is also required.
Source
Verified against the obligee source (last checked 2026-06-07).
Related California bonds
Frequently asked questions
- Who requires the Los Angeles B-Permit Improvement Security Bond?
- It’s required by City of Los Angeles, Los Angeles County, California (City of Los Angeles Bureau of Engineering B-Permit requirements (LAMC public-works permit provisions)). Contractors performing public-improvement (street, curb, gutter, sewer) construction under a City of Los Angeles B or BC permit.
- How much is the Los Angeles B-Permit Improvement Security Bond?
- The City Engineer’s estimate of construction cost, plus a 15% contingency factor and a 50% cost-increase factor (subdivisions add 50% of the improvement security for labor and materials).
- How do I get the Los Angeles B-Permit Improvement Security Bond?
- This bond is individually underwritten, so it is not issued instantly. Request a quote and a licensed producer follows up to walk you through it.
- What is the term?
- Until completion/acceptance Renewal: N/A (project-bound)
- Is this bond insurance for me?
- No. It protects the obligee and the public — not you. If a valid claim is paid, you repay the surety.
- How is this requirement verified?
- We verify it against the obligee’s primary source (last checked 2026-06-07); the source link is on this page.
