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Last updated: General Connecticut contractor bond information — confirm current requirements with the licensing authority.

Connecticut Contractor Bond— Which Type Do You Actually Need?

Connecticut does not issue a single "general contractor license." The state regulates contractors through three separate DCP registration programs -- each with different bonding requirements. Home improvement contractors need a $15,000 surety bond. New home builders pay into a guaranty fund instead. Major contractors have no state bond requirement at all. Out-of-state contractors face a separate DRS tax bond.

Most websites get this wrong by conflating these programs. Below is the accurate breakdown, verified against current Connecticut General Statutes and DCP regulations. For a general overview of contractor license bond requirements by state, see our comprehensive guide.

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Quick answer
Connecticut home improvement contractors post a $15,000 bond with the Department of Consumer Protection. Where a bond is required, you pay a premium that is a small percentage of the bond amount, not the full amount (any cost here is an estimate; the surety sets the final price).
  • Who requires it: Connecticut Department of Consumer Protection (DCP), CGS 20-426a.
  • Amount: $15,000 home improvement contractor (HIC) bond. The page also covers the DRS AU-960 sales tax bond.
  • Typical cost (estimate): most contractors pay about $150–$450 per year; poor credit can reach $900. The surety sets the final price.
  • Timing: We submit complete applications to the carrier promptly; most quotes within one business day.
Get a Connecticut contractor bond quote
$15,000
HIC Bond Amount
$150+
Starting Annual Cost
3 Types
DCP Registrations
Quick
Review

Official Connecticut Requirements

"No home improvement contractor shall engage in the business of home improvement unless such contractor has been registered with the Commissioner of Consumer Protection and has filed a surety bond in the penal sum of fifteen thousand dollars."
Connecticut Department of Consumer Protection (DCP) • Connecticut General Statutes Section 20-420 and 20-426a (Chapter 400)

The Four-Registration System Most Contractors Get Wrong

A common mistake is treating Connecticut as a one-bond state. The DCP administers three distinct registration programs, and a fourth bond type applies to out-of-state contractors through DRS.

Home Improvement Contractor (HIC) Bond: $15,000

The only DCP registration that requires a surety bond

HIC Registration Requirements
Under CGS Section 20-420 (Chapter 400)
$15,000 surety bond filed with DCP (CGS 20-426a)
$20,000 minimum general liability insurance
$220 annual registration fee (expires March 31)
Covers work on existing 1-4 family residential structures
Legal entities must provide Certificate of Good Standing from CT Secretary of State
Bond runs to the State of Connecticut for use of state and damaged persons
Surety must notify DCP within 30 days of bond expiration or termination

The bond amount was raised from $10,000 to $15,000 by Public Act 02-82. Contact the DCP License Services Division at (860) 713-6000 for registration questions.

HIC Registration Costs
Annual costs for home improvement contractors
DCP Registration Fee$220/year
Surety Bond ($15,000)$150-$900/year
General Liability InsuranceVaries ($20K min)
Total Annual Minimum$370+

Need help estimating your bond premium? Try our contractor bond cost calculator or read our detailed surety bond cost guide.

For a quick estimate, use our contractor bond calculator. For a broader look at pricing, read our surety bond cost guide. Not sure how bonds compare to insurance? See our bond vs. insurance comparison.

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New Home Construction Contractors: No Bond Required

This is where most sources get it wrong. If you build new residential dwellings in Connecticut, you register under Chapter 399a (CGS Section 20-417b), not Chapter 400. New home construction (NHC) contractors do not file a $15,000 surety bond. Instead, they pay into the New Home Construction Guaranty Fund, which reimburses consumers up to $30,000 for defective work or contract breaches.

Registration Fee
$360
$240 registration + $120 guaranty fund
Biennial Fund Fee
$480
Paid every two years
Consumer Reimbursement
Up to $30,000
Per claim from the fund
Common Misinformation

Some websites and online directories incorrectly state that NHC contractors must file a $15,000 surety bond. This is factually wrong. The $15,000 bond applies only to home improvement contractors under Chapter 400. NHC contractors under Chapter 399a pay into the guaranty fund. Verify this directly with Connecticut DCP's NHC registration page.

Major Contractors: No State Bond

Connecticut's major contractor registration covers commercial and industrial construction work. Unlike HIC registration, major contractors have no surety bond requirement at the state level. The registration process focuses on financial capability and track record instead.

$500 nonrefundable registration fee
Reference letters from previous clients
General liability insurance documentation
List of completed projects
Notarized application to DCP

While major contractors skip the state-level bond, they may still need bonds for specific public works projects under Connecticut's Little Miller Act (CGS Section 49-41), which requires payment and performance bonds on state-funded construction. Vehicle dealers operating in Connecticut also need a separate Connecticut auto dealer bond through the DMV. Contractors licensed in neighboring Massachusetts face different registration requirements through the OCABR. Learn more about contractor license bonds by state to compare how other states handle commercial contractors.

Out-of-State
Nonresident Contractor Tax Bond
Filed with Department of Revenue Services, not DCP
Bond Amount5% of contract value
ThresholdContracts $250,000+
Filed WithCT DRS (Form AU-960)
StatuteCGS 12-430(7)
Verified Contractor OptionForm AU-961

Contractors registered with CT DRS for 3+ years may file Form AU-961 instead of the standard AU-960, qualifying for a reduced bonding requirement. See CT DRS Special Notice SN 2005-12 for details.

If you operate in multiple states, compare requirements on our New York contractor bond and New Jersey contractor bond pages.

Who Is Exempt from the HIC Bond?

Several categories of workers are exempt from home improvement contractor registration and bonding

Licensed Tradespeople

State-licensed electricians, plumbers, and other specialty professionals working exclusively within the scope of their trade license are exempt from HIC registration and the $15,000 bond requirement.

Government Employees

Employees of federal, state, or local government agencies performing home improvement work in their official capacity are not required to register as HICs or file a bond.

Vocational Instructors

Instructors at accredited vocational schools performing work as part of an educational program are exempt from HIC registration requirements.

If you are unsure whether you qualify for an exemption, contact Connecticut DCP at (860) 713-6000.

Disciplinary Bond Provisions

Under CGS Section 20-422, the DCP Commissioner has authority to require a surety bond as a condition for registration renewal or reinstatement for contractors who have faced disciplinary action. This disciplinary bond is separate from and in addition to the standard $15,000 HIC bond. The amount is set at the Commissioner's discretion based on the nature and severity of the violation.

If you need a disciplinary bond to reinstate your Connecticut contractor registration, we can help. These bonds require specialized underwriting. Contact us for a custom quote.

Municipal Contractor Bonds in Connecticut

Beyond state requirements, many Connecticut municipalities impose their own bonding requirements for local contractor permits

Verified Municipal Bond Amounts
Bristol$10,000
New Haven (excavation/sidewalk)$10,000
Other Municipalities with Bond Requirements
Contact local building departments for current amounts
CromwellEast HartfordEast WindsorFairfieldFarmingtonNew BritainPlymouthRocky HillSeymourTrumbull

Municipal bond amounts and requirements vary. Always confirm with the local building department before beginning work in a new jurisdiction.

Five Steps to an Active HIC Registration

Follow this process to register as a home improvement contractor with DCP. For a general overview, see our how to get a surety bond guide.

1

Determine Your Registration Type

Confirm you need HIC registration (work on existing 1-4 family homes). If you build new homes, you need NHC registration instead (no bond). If you do commercial/industrial work, you need major contractor registration (no bond).

2

Purchase Your $15,000 Surety Bond

Apply for your HIC bond through a licensed surety provider. Most contractors with reasonable credit are quoted within one business day. The bond must name the State of Connecticut as obligee.

3

Obtain General Liability Insurance

Secure at least $20,000 in general liability insurance from an admitted carrier. DCP requires proof of both the bond and insurance before approving registration.

4

Submit DCP Application

File your registration application with the DCP License Services Division along with your bond, insurance certificate, and $220 fee. Legal entities must also include a Certificate of Good Standing from the CT Secretary of State.

5

Maintain Your Registration

HIC registration expires March 31 each year. Keep your bond and insurance current continuously -- if either lapses, DCP will suspend your registration. Your surety must notify DCP within 30 days of bond expiration or cancellation.

Bond Release After Ceasing Registration

Under CGS Section 20-426a, a surety on a home improvement contractor bond may petition for release 12 months after the contractor ceases registration with DCP. However, the bond cannot be released if any claims are pending. This 12-month hold period protects homeowners who may discover defects after the contractor has left the industry.

If you are winding down your contracting business in Connecticut, plan for at least one additional year of bond premium beyond your last active registration period. For more information on how surety bond pricing works during wind-down periods, see our cost guide.

Video Guide

Watch: Connecticut Contractor License Bond — $5,000 HIC + Guaranty Fund

Connecticut requires a $5,000 bond for home improvement contractors — and uniquely, municipalities can be held liable if they fail to require bonds on public projects. The state also maintains a Guaranty Fund as a second layer of protection.

Key moments in this video
  • 0:00Does Connecticut require a contractor license bond?
  • 0:45Bond amount & how it's determined
  • 1:30What you actually pay (cost by credit tier)
  • 3:00Bond vs. insurance — why you need both
Watch on YouTube

Licensed? The bonds you'll need to win jobs in Connecticut

Your license bond gets you licensed. Bigger jobs, public work and most commercial contracts add contract bonds. We place license and contract bonds, so you can keep one agency as your work grows.

Bid bonds →

Most public bids, and many private ones, require a bid bond (often 5% to 10% of the bid) with your proposal.

Performance bonds →

Once you win, the owner usually requires a performance bond guaranteeing the job gets finished in Connecticut.

Payment bonds →

Guarantees your subcontractors and suppliers get paid. Usually required alongside the performance bond on public work.

Performance & payment bonds →

Most public contracts ask for both bonds together, each commonly at 100% of the contract price.

Connecticut Contractor Bond FAQs

Connecticut contractor bond questions answered

Does Connecticut require a contractor license bond?
It depends on the type of contractor work. Connecticut does not issue a single "general contractor license." Instead, the Department of Consumer Protection (DCP) regulates three separate registration programs. Home improvement contractors (HIC) must file a $15,000 surety bond under CGS Section 20-426a. New home construction contractors pay into a guaranty fund instead of posting a bond. Major contractors (commercial/industrial) have no state-level bond requirement. Out-of-state contractors on projects over $250,000 must file a separate tax bond with the Department of Revenue Services.
How much does a Connecticut home improvement contractor bond cost?
The $15,000 HIC bond typically costs between $150 and $900 per year depending on your credit score. Contractors with excellent credit (750+) can expect to pay $150 to $225 annually (1-1.5% of the bond amount). Good credit (680-749) ranges from $225 to $450. Fair credit (620-679) costs $450 to $750. Even contractors with poor credit can usually secure coverage, though premiums may reach 6% ($900). Use our bond cost calculator for a quick estimate.
What is the difference between HIC registration and new home construction registration in Connecticut?
Home improvement contractors (HIC) work on existing 1-4 family residential structures and must file a $15,000 surety bond plus carry $20,000 in general liability insurance. New home construction (NHC) contractors build new residential dwellings and pay into the New Home Construction Guaranty Fund ($120 initial contribution, $480 biennial) instead of posting a bond. Many websites incorrectly state NHC contractors need a $15,000 bond -- they do not. The two programs are governed by different statutes: Chapter 400 for HIC and Chapter 399a for NHC.
What is the Connecticut contractor sales tax bond (nonresident contractor bond)?
Out-of-state contractors performing work in Connecticut on contracts of $250,000 or more must file a surety bond equal to 5% of the total contract price with the Department of Revenue Services (DRS). This bond is filed using DRS Form AU-960 and guarantees payment of Connecticut income and sales taxes. Contractors who have been registered with DRS for three or more years may instead file Form AU-961 for a reduced requirement. This bond is separate from the DCP home improvement contractor bond.
How do I release my Connecticut HIC bond after I stop contracting?
Under CGS Section 20-426a, the surety on a home improvement contractor bond may be released 12 months after the contractor ceases registration, provided no claims are pending against the bond. Your surety company must notify the DCP within 30 days of any bond expiration or termination. You cannot simply cancel the bond while your registration is active -- doing so will result in DCP suspending your registration.
Do Connecticut municipalities require separate contractor bonds?
Yes, some Connecticut municipalities require their own local contractor bonds in addition to state-level requirements. For example, Bristol requires a $10,000 contractor bond for local permits, and New Haven requires a $10,000 bond for excavation and sidewalk work. Other municipalities with local bonding requirements include Cromwell, East Hartford, Fairfield, Farmington, New Britain, and Trumbull. Always check with your local building department before starting work in a new municipality.
Who needs a Connecticut contractor bond?
Connecticut home improvement contractors. It is required by the Connecticut Department of Consumer Protection (DCP), CGS 20-426a. The bond amount is $15,000 for the home improvement contractor (HIC) bond.
How do I get a Connecticut contractor bond?
Request a quote with the form on this page. A licensed agent submits your application to a Treasury-listed surety carrier; once the carrier issues your bond, file it as the requiring agency directs.
What happens after I apply?
We submit complete applications to the carrier promptly; most quotes come back within one business day. The carrier decides approval and the final premium, and you pay only when your bond is issued.

Neighboring State Contractor Bonds

How Connecticut compares to nearby states

Contractors working across the tri-state area and New England often need bonds in multiple jurisdictions. Each state has its own bonding structure and requirements. Compare Connecticut's multi-registration system with neighboring states:

New York Contractor BondNew Jersey Contractor BondPennsylvania Contractor BondAll States: Contractor Bond Hub

Explore More Connecticut Bond Resources

Neighboring States

New York contractor bondNew Jersey contractor bondMassachusetts contractor bond

Other Connecticut Bonds

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Tools & Guides

Contractor bond calculatorSurety bond cost guide50-state requirements guideGeneral contractor bond guideGet your free quote

For a nationwide overview of contractor licensing and bonding, visit our contractor industry resource center. You can also explore our complete guide to contractor bond requirements for state-by-state comparisons and application tips.

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Eric Drummond, Licensed Surety Producer
Reviewed by
Eric Drummond, Licensed Surety Producer
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All content is researched from official state and federal sources (.gov). BuySuretyBonds.com works with Treasury-listed surety carriers.

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