Compliance · Contractors · Updated 8 May 2026
Compliance for contractors: mechanics liens, TCPA, and the collection call
A contractor following up on an unpaid invoice operates in two legal lanes at once: the mechanics-lien framework that secures the debt against the improved property, and the TCPA framework that governs how the call itself can be made. They do not conflict, but they do compound — a missed preliminary notice deadline forfeits lien rights, and an out-of-window or non-compliant call invites TCPA exposure. This page is the working reference for how Syntharra threads both.
Plain-language summary, not legal advice. Statute citations let you verify each claim against the source text directly.
Mechanics liens and collection calls live in different lanes
A mechanics lien is a statutory security interest in the property the contractor improved. It does not require the property owner’s consent; it secures the debt by the real estate. A collection call is a request for payment from whoever signed the contract, governed by the TCPA, FDCPA (for third parties), and state consumer-protection law.
The two do not conflict. A contractor can file a mechanics lien on day 60 to preserve the deadline and continue calling the owner about the underlying invoice in parallel. The lien creates leverage that outlasts any single phone call — the property cannot be sold, refinanced, or transferred clean while the lien is on record.
The order that usually works
Day 3 past due: friendly call. Day 7-10: second call. Day 15-20: written demand letter and, if the state requires it, preliminary notice. Day 30-60: file the mechanics lien if the deadline is approaching. Day 60-90: continue calls and consider escalation. The lien is filed early to preserve rights, not because the contractor expects to enforce it — most are released once payment lands.
Mechanics lien deadlines — the states that matter most
Lien deadlines are jurisdictional and unforgiving. Miss the preliminary notice and a sub-contractor often loses the right to lien at all; miss the lien-recording window and the secured claim becomes an unsecured one. Below is a working table for the most-frequently-asked-about states. For others, defer to counsel rather than guess.
| State | Preliminary notice | Lien recording | Enforcement | Citation |
|---|---|---|---|---|
| California | 20 days from first furnishing | 90 days from project completion (60 if Notice of Completion filed) | 90 days from recording | Cal. Civ. Code §§ 8200, 8412, 8460 |
| Texas | 15 days residential / 30 days commercial | 15th day of 4th month after last work | 1 year (residential) or 2 years (commercial) from filing | Tex. Prop. Code §§ 53.052-53.055 |
| Florida | 45 days from first furnishing | 90 days from last furnishing | 1 year from recording | Fla. Stat. §§ 713.06, 713.08, 713.22 |
| New York | Not required | 8 months for commercial / 4 months for residential after last work | 1 year from filing | N.Y. Lien Law §§ 10, 17 |
| Illinois | Not required (subs file 90-day notice if needed) | 4 months from last work (sub-contractors); 2 years (general) | 2 years from filing | 770 ILCS 60/7, 60/9 |
| Arizona | 20 days from first furnishing | 120 days from completion (60 if Notice of Completion recorded) | 6 months from recording | A.R.S. §§ 33-992.01, 33-993, 33-998 |
Lien rules change. Verify the current deadline against the statute citation before relying on a value here. Sub-tier lien claimants (subcontractors, material suppliers, equipment lessors) often face shorter windows than general contractors in privity with the owner.
TCPA still applies to a contractor calling about an invoice
The TCPA does not have a contractor carve-out. Any AI-voice or autodialed call to a cell phone is subject to the TCPA’s prior-express-consent and call-window rules, even when the call is about a residential remodel a property owner already commissioned. Most contractors collect cell numbers at intake; that consent should be documented in the contract itself, not assumed from the engagement.
For Syntharra calls placed on a contractor’s behalf, the compliance posture matches the rest of the platform: 9am-8pm in the debtor’s local timezone, never on weekends, AI identification and recording notice on every call, and three-attempt cap per invoice with three-day minimum spacing. The compliance layer is deterministic and cannot be overridden by the LLM.
Pay-when-paid and pay-if-paid for sub-tier claimants
Sub-contracts often include a payment-timing clause that conditions the sub’s payment on the general contractor’s receipt of payment from the owner. Two flavors exist and the difference matters. Pay-when-paid treats the GC’s receipt as a timing condition only — the GC owes the sub eventually, just not on the calendar date in the contract. Pay-if-paid attempts to shift the credit risk entirely to the sub — if the GC never gets paid, neither does the sub.
California and New York courts read pay-if-paid clauses restrictively; many such clauses are interpreted as pay-when-paid timing clauses or struck down as unconscionable. Texas, Florida, and several other states enforce pay-if-paid more readily when the contract language is explicit. The lien right to the property usually survives either way — the contractor or sub can lien the property even if the contractual obligation to pay has been suspended pending the GC’s receipt.
Public projects: bond claims, not liens
Public property cannot be liened. Federal projects fall under the Miller Act (40 U.S.C. § 3131), which requires prime contractors to post payment and performance bonds; sub-tier claimants assert claims against the bond instead of against the property. Most states have a Little Miller Act covering state and local public projects.
Bond-claim deadlines are short. Federal Miller Act: notice within 90 days of last labor or material; suit within 1 year of final acceptance. State analogs vary but the windows are comparable. Calls about public-project receivables follow the same TCPA rules as private projects; the underlying security mechanism just shifts from the lien to the bond.
What this looks like in practice
For a general contractor, sub-contractor, or specialty trade running Syntharra:
- The contractor’s accounting system (QuickBooks, Xero, FreshBooks, Jobber) feeds the call queue. Invoices that hit day 3 past due trigger a friendly first call.
- Syntharra makes the call in the contractor’s name. The compliance layer enforces the call window, the AI disclosure, and the three-attempt cap.
- If the invoice ages past the contractor’s lien-decision threshold (typically 30-45 days, well before any state’s recording deadline), the system surfaces the file to the contractor with the relevant deadline. Lien filing stays a contractor decision, made with counsel where warranted.
- Once a lien is filed, the call cadence may shift. Some contractors prefer to pause calls and let the lien do the work; others continue calls referencing the secured position. Syntharra’s compliance posture remains the same either way — first-party framing, no threats of unfiled litigation, no statements of legal status the contractor has not authorized.
Contractor compliance FAQ
Can I file a mechanics lien and still call about the unpaid invoice?
Yes. A mechanics lien is a security interest in the improved property; a collection call is a request for payment. They live in different legal lanes and they do not interfere with each other. Many contractors file the lien first to preserve the deadline, then continue normal collection follow-up while the lien sits as leverage. Calling about the lien itself, however, requires care — accusing the property owner of fraud or threatening lawsuits the contractor cannot bring crosses into deceptive-practice territory.
Does the TCPA apply when calling a residential property owner about a contractor invoice?
Yes. The TCPA (47 U.S.C. § 227) applies to any AI-voice or autodialed call to a cell phone, regardless of whether the caller is a contractor calling about a building project. Live, manually-dialed calls to a landline using a regular phone are generally outside TCPA, but most homeowners list a cell number on the project paperwork, which puts the call back inside TCPA scope.
If I miss the preliminary notice deadline, can I still lien?
It depends on the state and your role on the project. In California, a general contractor in direct privity with the owner does not need to send a 20-day preliminary notice; subcontractors and material suppliers do. In Texas, missing the residential 15-day notice forfeits sub-tier lien rights. The pattern is consistent: gen-contracts in privity have more latitude; subs and suppliers must hit the notice deadline or lose the lien.
Are pay-when-paid clauses enforceable for sub-contractor collections?
Pay-when-paid is enforceable in most states as a timing clause; pay-if-paid is enforceable in some states and unenforceable in others. California and New York courts treat pay-if-paid restrictively; Texas and Florida enforce it more readily. The distinction matters when a sub is following up on a sub-contract that depends on the GC's payment from the owner — the clause may delay (or condition) the sub's right to collect, but it does not extinguish the right to lien the property.
What about bond claims on public projects?
Federal projects fall under the Miller Act (40 U.S.C. § 3131). Most states have a 'Little Miller Act' covering state and local projects. Bonds replace mechanics liens on public projects because public property cannot be liened. Notice and claim deadlines are short — 90 days from last work to send notice, 1 year from final acceptance to sue, on the federal side — and they are independent of TCPA-style call rules.
Can Syntharra make collection calls for contractor invoices?
Yes. Syntharra calls in the contractor's name (first-party), enforces the same compliance layer used for any other industry — 9am to 8pm in the debtor's local timezone, no weekends, three-attempt cap per invoice, AI disclosure and recording notice on every call, instant DNC on opt-out. The system does not generate lien-related legal language; lien filings, preliminary notices, and litigation decisions stay with the contractor and counsel.
Related
- Compliance overview — TCPA, FDCPA, state call windows, recording consent.
- Construction invoice collection — how Syntharra fits a contractor’s AR workflow.
- Electrical invoice collection — the same workflow, electrical-specific.
- Flooring contractor invoice collection — flooring-specific framing.
- Contractor mechanics lien vs collection call — the decision tree, deeper.
- Mechanics lien — glossary — one-sentence definition.
- Pay-when-paid — glossary — the timing-vs-condition distinction.
Lien or compliance questions? compliance@syntharra.com