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How to Enforce a Personal Guarantee on a Texas Commercial Lease After the Tenant LLC Defaults

A personal guarantee in a Texas commercial lease is usually enforceable once the tenant LLC defaults—if the guarantee is properly signed and the landlord can prove damages. Texas landlords commonly pursue the guarantor for unpaid rent, accelerated rent (if allowed), operating expenses, and certain enforcement costs. This article explains the steps, evidence, notices, defenses, and litigation strategy to enforce a lease guaranty in Texas after an LLC tenant defaults.

What a “Personal Guarantee” Means in a Texas Commercial Lease

In Texas commercial leasing, the tenant is often a limited liability company (LLC) with few assets beyond its business operations. A landlord may require an owner, principal, or affiliate to sign a personal guarantee (also called a “guaranty”) so that if the LLC fails to pay rent or otherwise defaults, an individual (or another entity) becomes financially responsible.

Most lease guaranties are drafted as absolute and unconditional, meaning the guarantor promises to pay when the tenant does not—without the landlord first exhausting remedies against the LLC. Whether you can collect quickly depends on the actual guaranty language, the lease’s default provisions, and how well you document the default and damages.

Confirm the Key Documents Before You Take Action

Successful enforcement starts with a paper audit. Gather and review:

1) The lease (all exhibits and amendments). You need the full rent schedule, operating expense provisions, default/notice clauses, remedies (including acceleration), attorney’s fees, late fees, and interest.

2) The guaranty (as signed). Confirm the guarantor’s name, capacity, address for notice, and whether it’s limited or unlimited.

3) Any side letters or concessions. These can affect rent amounts, free rent, tenant improvement obligations, and offsets.

4) Payment history and ledger. A clear rent and CAM ledger is often the backbone exhibit in a demand and later in a lawsuit.

5) Default correspondence. Keep emails, notices, and returned mail; document phone calls in writing.

Is the Guaranty “Limited” or “Continuing”?

Many Texas commercial guaranties are either:

Limited guaranties (e.g., capped at 6 months of rent, a fixed dollar amount, or only through a certain date), or

Continuing guaranties (covering all obligations now or later arising under the lease, sometimes including extensions, renewals, or holdover).

This distinction drives your damages analysis and can determine whether you pursue early settlement (if the cap is small) or litigate aggressively (if exposure is significant).

Establish the Tenant LLC’s Default Under the Lease

To enforce the guaranty, you must prove the tenant defaulted as defined by the lease. Common defaults include:

Nonpayment of rent (base rent, additional rent, CAM/NNN, taxes, insurance, utilities),

Failure to maintain insurance or provide certificates,

Failure to operate (if a continuous operations clause exists),

Unauthorized assignment/sublease,

Abandonment or insolvency-related defaults.

Texas commercial leases frequently require a written notice of default and a cure period (for monetary and/or non-monetary defaults). Follow the lease’s notice method precisely (mail type, email allowance, delivery address, and timing). If the lease says notice is effective only upon receipt or only after a certain number of days, track it carefully.

Send a Guarantor Demand Letter (Even if Not Strictly Required)

Some guaranties waive notice requirements; others require notice and an opportunity to cure. Even when notice is waived, a well-crafted demand letter can speed resolution and strengthen your litigation posture.

A strong Texas guarantor demand typically includes:

Identification of the lease and guaranty (dates, parties, premises),

Statement of defaults with dates and relevant lease sections,

A payoff/amount due supported by a ledger,

Deadline to pay (often 5–10 business days),

Reservation of rights (including acceleration, lockout/eviction, suit, attorney’s fees),

Instructions for payment and a point of contact.

Example: If the LLC stopped paying in March and owes March–June base rent plus NNN charges, your demand can itemize each month, add late fees and interest if the lease allows, and advise the guarantor that suit will be filed if unpaid by the stated deadline.

Calculate Damages You Can Seek From the Guarantor

Damages in a guaranty claim generally track what the tenant owes under the lease, but the guaranty may expand, limit, or condition recovery. Common categories include:

Unpaid Rent and Additional Rent

This includes base rent and pass-throughs such as common area maintenance, property taxes, insurance, utilities, and other “additional rent” defined in the lease.

Late Charges and Interest

Many leases set late fees (e.g., a percentage or flat fee) and default interest. Texas courts generally enforce these if they are properly drafted and not an unenforceable penalty. Your ledger should show how they were calculated under the lease terms.

Accelerated Rent (If the Lease Allows It)

Acceleration clauses can allow the landlord to declare future rent immediately due upon default. Whether acceleration is recoverable depends on the contract language and how Texas law treats the remedy in context—particularly where the landlord regains possession and re-lets the space.

Practically, even when acceleration is available, landlords often plead it as an alternative measure of damages while also documenting efforts to re-let and crediting amounts received, to avoid an argument of double recovery.

Repair Costs, Removal, and Re-Let Expenses

If the tenant leaves damage, abandons property, or fails to restore the premises, the lease may permit recovery for repairs, cleaning, or removal. Re-letting costs often include commissions, tenant improvement allowances, and marketing—if the lease defines them as recoverable.

Attorney’s Fees and Costs

Commercial leases and guaranties commonly provide for attorney’s fees. Preserve invoices and be prepared to prove reasonableness and necessity. Even if the contract is silent, Texas fee recovery rules can be complex; counsel will evaluate available avenues.

Mitigation: What Texas Landlords Must (and Should) Do

Texas law can impose a duty to mitigate damages in commercial lease contexts. In real-world terms, the landlord should act reasonably to reduce losses—often by marketing the space, engaging brokers, and considering replacement tenants.

Mitigation is also strategic: thorough documentation undercuts a common defense that the landlord “sat on the property” to inflate damages.

Best practices: keep a marketing log, broker agreement, listing screenshots, showing records, applicant communications, and notes explaining why a prospective tenant was rejected (credit issues, use restrictions, or proposed terms inconsistent with the property’s needs).

Common Defenses Guarantors Raise in Texas—and How to Prepare

Guarantors frequently try to avoid liability by attacking formation, scope, notice, or damages. Anticipate these arguments early.

“I Didn’t Sign It” / Signature or Authority Challenges

Confirm the guaranty is signed and the signature is attributable to the guarantor. If the guarantor signed in an unclear capacity, you may need additional evidence (emails, negotiations, or admissions) to show personal intent. Keep the fully executed PDF and any signature platform audit trails.

Material Modification Without Consent

A guarantor may claim the lease was amended (rent changes, term extensions, or concessions) without guarantor consent, releasing the guaranty. Many guaranties pre-authorize amendments or expressly remain binding for renewals and modifications. Check whether the guaranty has consent/waiver language and whether later amendments were signed by or noticed to the guarantor.

Notice and Cure Defects

If the lease requires notice to the tenant and/or guarantor, the defense will scrutinize compliance. Follow the contract’s notice section exactly (addresses, permitted methods, and timing). Save delivery confirmations and copies of everything sent.

Improper Acceleration or Double Recovery

Guarantors may argue the landlord accelerated rent and also re-let without crediting replacement rent. Your damages model should clearly apply credits, account for downtime, and show how re-let proceeds reduce the claim where required.

Fraud, Misrepresentation, or Economic Duress

These defenses appear in higher-stakes disputes. Preserve negotiation communications. If the guarantor is a sophisticated party and the guaranty contains “no reliance” and “unconditional” language, those provisions can be important in defeating such claims.

Enforcement Options: Demand, Suit, and Prejudgment Remedies

After default and demand, landlords usually choose between negotiated resolution and litigation.

1) Negotiated Settlement or Payment Plan

If the guarantor has assets and wants to avoid a judgment, a structured resolution can be faster and cheaper. Consider requiring:

an agreed judgment held in escrow, a confession of judgment alternative where enforceable, additional collateral, or updated financial disclosures.

2) Lawsuit for Breach of Guaranty (Often Alongside Breach of Lease)

The landlord typically sues the tenant LLC for breach of the lease and sues the guarantor for breach of the guaranty in the same action (when jurisdiction and venue allow). Key litigation building blocks include:

Exhibits: lease, guaranty, amendments, notices, ledger, mitigation evidence.

Witnesses: property manager or asset manager to authenticate records and explain damages.