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    Facing CDTFA Audit, Notice, or Sales/Use Tax Issue?

    Expert Guidance for General Contractors, Subcontractors, Specialty Trades
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    Why Construction Contractors Are a Major CDTFA Audit Target

    Construction remains a cornerstone of California’s economy, with over 895,000 employed in the sector in 2025 and overall activity forecasted up 6.5%—including major growth in civil and infrastructure projects. But California’s complex sales and use tax rules for contractors, subcontractors, and specialty trades mean simple mistakes can trigger audits, penalties, and unexpected tax liability.

    Contractors face unique sales tax obligations that can change based on contract type, whether you act as a consumer or retailer, and the nature of installed materials, fixtures, and equipment.

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    We’ll analyze your compliance, expose CDTFA audit tactics, and design a defense strategy. No cost and fully confidential.

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    Don’t Let CDTFA Drain Your Profits

    If you received a notice, letter, or audit request from CDTFA – or even if you just want to protect yourself – time is critical.
    • Contact Us For A Consultation
    • Immediate Protection From Accruing Penalties: Let Our Experts Defend You
    • Attain Status of Compliance
    • Reduce Liability
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    California Sales and Use Tax Rules for Construction Contractors

    • Materials vs. Fixtures:
      • Contractors are considered consumers of materials they permanently install in real property. Sales tax generally applies when you buy these from suppliers.
      • When installing fixtures, equipment, or machinery, the contractor is a retailer and must collect and remit sales tax from the client.
    • Contract Type Matters:
      • Lump-sum contracts—contractor is typically a consumer, pays sales tax at purchase, doesn’t collect from the client.
      • Time-and-materials contracts—contractor may need a seller’s permit and is taxed as a retailer on certain items and labor.
    • Subcontractors:
      • Must determine role for each job—retailer or consumer—to avoid audits and misapplied taxes.
    • Out-of-State Purchases:
      • Use tax is required when buying taxable items from out-of-state vendors without paying California sales tax.
    • Special Exclusions/Programs:
      • Designated projects, like CAEATFA alternative energy installations, may qualify for sales and use tax exclusions—but require correct forms and documentation.
    • Seller’s Permit:
      • Contractors installing or selling fixtures/equipment must register and maintain proper seller’s permits.

    How CDTFA Audits Construction Contractors?

    CDTFA audit teams review:

    • Purchases of materials, fixtures, and equipment—checking documentation, resale certificates, and supplier sales.
    • Contract types and itemization—verifying if sales tax was collected or paid correctly.
    • Subcontractor relationships—scrutinizing cross-invoicing and permit usage.
    • Out-of-state purchases and consumer use tax filings.
    • Revenue and cost allocations in lump-sum vs. time-and-materials contracts.

    Errors—whether in misclassifying materials, mixing contract types, or lacking records—can lead to significant back taxes, penalties, and multi-year lookbacks.

    Latest Industry and Tax Trends (2025)

    • Civil construction activity is expected to grow 22.6% this year, driven by IIJA funding and state bond measures.
    • CDTFA audits increasingly target contractors due to the growth in infrastructure, energy, and school project spending.
    • Use of advanced accounting systems and compliance training is now recommended to stay ahead of changing rules.

    Why Leading Tax Group is the Right Choice

    ✅ Proven expertise in CDTFA audit defense for contractors in general, specialty, and government-funded projects.
    ✅ Guidance on contract structuring, recordkeeping, permit management, and tax minimization.
    ✅ Aggressive representation for disputes, large assessments, and retroactive audits.
    ✅ Industry-specific strategies for civil, education, energy, and residential contractors.
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    Frequently Asked Questions

    Why do I need a seller’s permit for some jobs but not others?

    Contractors installing or selling fixtures/equipment are retailers and need seller’s permits; those exclusively handling lump-sum installations, as consumers don’t.

    What’s the biggest CDTFA audit risk for contractors?

    Failing to distinguish materials vs. fixtures, mixing contract types, and inadequate documentation are leading causes of multi-year back-tax assessments.

    How can I avoid CDTFA sales and use tax problems?

    Maintain clear contracts and records, understand when to pay or collect tax, use permits properly, and seek expert guidance for out-of-state purchases and specialized work.

    Can government projects trigger CDTFA audits?

    Yes. Separate compliance requirements and exclusions apply—documentation is critical. Ask Leading Tax Group before starting any major public or alternative energy contract.

    LOCAL LOCATIONS FOR YOUR CONVENIENCE

    Headquartered in Encino, California with multiple local branch offices in your backyard to serve you at your convenience. Leading Tax Group can schedule a face to face consultation to represent your case with the IRS, FTB, EDD, as well as CDTFA Audits.

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