California Mechanics Liens: What Contractors Need to Do to Protect Their Right to Payment

On a California construction project, a general contractor can perform every task correctly, hit every milestone, and still face non-payment. When invoices stop clearing and conversations stall, the mechanics lien becomes one of the strongest payment tools available under state law.

Talking with a construction law attorney in Santa Rosa early can help contractors preserve those rights before deadlines pass.

This guide walks general contractors through what a California mechanics lien is, how to confirm your rights are preserved, when the recording clock starts, how to prepare and record correctly, why negotiation should continue after recording, and why the foreclosure deadline can quietly end an otherwise strong claim.

Key Takeaways

• A California mechanics lien is a statutory right created by Civil Code §§ 8400 et seq. that gives unpaid contractors, subcontractors, and suppliers a security interest in the improved property.
• Recording deadlines are short. A direct contractor typically has 90 days after completion or cessation of work, or 60 days after a recorded notice of completion or cessation.
• The lien is not self-enforcing. A foreclosure lawsuit must be filed within 90 days of recording under Civil Code § 8460, or the lien expires.
• Preliminary notice status, project records, and accurate lien content are the difference between a valid lien and one that gets stripped in court.
• An experienced construction lawyer can review the paperwork, calendar the deadlines, and pursue foreclosure or settlement when payment does not follow.

What Is a California Mechanics Lien?

A mechanics lien is a recorded legal claim against real property that secures payment for labor, services, equipment, or materials furnished to improve the property. It is created and governed by California Civil Code §§ 8400 through 8494.

Once recorded in the county where the property is located, the lien clouds title. Owners generally cannot sell, refinance, or clear title without addressing it. That pressure often moves stalled payment discussions forward.

The lien is available to a range of project participants, including:

• Direct contractors
• Subcontractors
• Material suppliers
• Equipment lessors
• Design professionals in limited circumstances

A general contractor with a direct written contract with the owner has the clearest path to lien rights, but must still follow the statutory steps to preserve and enforce them.

Step 1: Confirm You Preserved Your Lien Rights

Before recording, verify that the work qualifies and that any required preliminary steps were completed.

Preliminary Notice Requirements by Role

A direct contractor with a written contract with the owner is generally not required to serve a preliminary 20-day notice on the owner. When a construction lender is involved, a preliminary notice on the lender is still required under Civil Code § 8200. Missing that notice can eliminate lien rights against the lender’s interest.

Subcontractors, suppliers, and lower-tier claimants must serve a preliminary notice on the owner, direct contractor, and lender within 20 days of first furnishing labor or materials.

A late notice may only cover work performed in the 20 days before service and afterward.

Also confirm the following:

• The work furnished is the kind of work covered by the statute
• The project is private property (public works use stop payment notices and bond claims, not mechanics liens)
• The amount claimed reflects the reasonable value of labor and materials actually furnished and unpaid
• Any change order work is documented and traceable to written approval

Step 2: Determine When the Deadline to Record Begins

The recording clock starts based on completion or cessation of the work of improvement. The date of the last invoice or the date payment was refused does not control.

Recording deadlines at a glance:

• Direct contractor, no notice of completion recorded: 90 days after completion (Civil Code § 8412)
• Direct contractor, notice of completion or cessation recorded: 60 days after that recording (Civil Code § 8412)
• Subcontractor or supplier, no notice of completion recorded: 90 days after completion (Civil Code § 8414)
• Subcontractor or supplier, notice of completion or cessation recorded: 30 days after that recording (Civil Code § 8414)

Under Civil Code § 8180, “completion” can mean actual completion, occupation combined with cessation of work, or a continuous 60-day cessation of labor. Owners sometimes record a notice of completion the contractor is unaware of, quietly shrinking the recording window. Checking the county recorder every few weeks late in the job is a practical safeguard.

Step 3: Prepare and Record the Mechanics Lien Correctly

A mechanics lien with the wrong content or a missing signature can be attacked, stripped, or held invalid. Civil Code § 8416 sets out the required content, which includes:

• The amount of the demand after deducting all just credits and offsets
• The name of the owner or reputed owner
• A general statement of the kind of labor, services, equipment, or materials furnished
• The name of the person by whom the claimant was employed or to whom the materials were furnished
• A legal description of the property sufficient for identification
• The claimant’s name, address, and verified signature
• A proof of service affidavit showing service on the owner

Record the lien with the county recorder in the county where the property is located, then serve a copy of the lien and proof of service on the owner. Under Civil Code § 8416(a)(7), a lien not served on the owner in time is unenforceable.

Warning: A lien recorded for an inflated amount, or one that includes non-lienable items like pure interest, attorney fees, or out-of-scope work, can expose the claimant to statutory damages and defense costs.

A short pre-recording review by an attorney can catch these errors before they sink the claim.

Step 4: Keep Negotiating After Recording

Recording a lien starts the enforcement phase. Once the lien hits title, the owner, lender, or higher-tier contractor often has renewed motivation to resolve the payment issue, especially when a sale, refinance, or draw is pending.

Use the period between recording and the foreclosure deadline to:

• Confirm the lien was properly recorded and served
• Send a demand letter documenting the amount and the basis for the claim
• Offer a defined path to release, such as a lien release in exchange for payment or a bonded release under Civil Code § 8424
• Preserve project records, daily logs, submittals, RFIs, pay applications, and correspondence

Many payment disputes settle in this window. Keeping communication professional and specific tends to move settlement forward. Inflammatory letters tend to slow it.

Step 5: Do Not Forget the 90-Day Foreclosure Deadline

A recorded mechanics lien is not self-enforcing. Under Civil Code § 8460, the claimant must file a foreclosure lawsuit within 90 days after the lien is recorded. If that deadline passes, the lien becomes unenforceable and cannot be foreclosed.

The statute allows a written extension in limited circumstances. The claimant and owner may agree to extend the deadline by recording a notice of credit under Civil Code § 8460(b), but the total period cannot exceed one year from completion of the work of improvement.

Missing this deadline is one of the most common ways general contractors lose an otherwise valid lien. The lien sits on title, the enforcement right is gone, and the owner then often demands a release without paying anything.

Calendar the deadline the day you record:

1. Enter the 90-day foreclosure deadline on the calendar the same day the lien is recorded
2. Set a second reminder at day 60
3. Retain counsel by day 60 at the latest so a complaint can be prepared without a last-minute scramble

Common Mechanics Lien Mistakes Contractors Should Avoid

Most invalid liens come from a handful of repeat mistakes:

• Missing the 20-day preliminary notice when a construction lender is involved
• Waiting too long to record after completion or cessation
• Overlooking a recorded notice of completion that shortened the deadline
• Recording in the wrong county or against the wrong parcel
• Including non-lienable amounts, such as attorney fees or speculative damages
• Failing to serve the lien on the owner with a proof of service affidavit
• Missing the 90-day foreclosure deadline under Civil Code § 8460
• Treating the recording as the end of the process instead of the start of enforcement

Any one of these can be fatal to the claim.

When a Construction Law Attorney in Santa Rosa Can Help

A construction law attorney in Santa Rosa can help general contractors at several points in the process:

• Reviewing preliminary notice status early in a project
• Verifying deadlines when payment stalls
• Preparing and recording a valid lien
• Negotiating a payment or release
• Filing suit to foreclose when settlement does not come together

Legal review is especially useful when the amount at stake is significant, when the ownership structure is complicated, when a lender is involved, or when the owner disputes the underlying work.

Protect Your Payment Rights with Smith Dollar

Smith Dollar Attorneys at Law is a full-service law firm in downtown Santa Rosa with over 150 years of combined legal experience across the team, including deep construction law experience across the North Bay.

Contact us online or call Smith Dollar at (707) 522-1100 to talk with a construction attorney about a mechanics lien or a payment dispute.

This article provides general information and is not intended as legal advice. Reading this does not create an attorney-client relationship. For personalized legal guidance, please consult an attorney.