How to Invoice as a General Contractor in New Haven, CT

Invoicing guide for general contractors in New Haven: 6.35% CT sales tax, 1.5%/mo late-fee cap, plus CT licensing and contractor rules.

Combined sales tax
6.35%
Late fee cap
1.5%/mo
Net terms
30 days
Deposit
25%
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1. New Haven-specific tax handling

  • State sales tax: 6.35%. Local jurisdictions in New Haven may add their own rate — verify with your local tax assessor.
  • Late fees: CT statute Conn. Gen. Stat. §37-3a caps interest on unpaid invoices at 1.5% per month.

2. Standard general contractor line items

  • Mobilization — billed by flat.
  • Labor — billed by hour (~$85 default).
  • Materials — billed by itemized.
  • Subcontractor markup — billed by percent.

3. Payment terms that work in New Haven

Net 30 is standard for general contractors. Most general contractors in competitive markets like New Haven require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — New Haven customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

Most states require a general contractor license over a job-value threshold (varies $500-$50K). Bonding and insurance commonly required.

Metro
New Haven
State
CT
Net terms
30 days
Deposit
25%

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