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How to Enforce a Personal Guaranty on a Business Lease in Florida After the Tenant LLC Defaults

In Florida, a landlord can often enforce a personal guaranty after a tenant LLC defaults by proving (1) the lease default, (2) the guaranty’s scope, and (3) the guarantor’s nonpayment—then suing for rent and other contract damages. Guaranties are routinely enforced in Florida commercial leasing because they shift default risk from an undercapitalized entity to an individual. This article explains key Florida legal standards, notice and drafting issues, litigation steps, defenses, and collection tactics.

What a Florida Landlord Must Prove to Enforce a Personal Guaranty

In most Florida commercial lease disputes, enforcing a personal guaranty is a contract case. The landlord’s core burden typically tracks three straightforward elements:

1) A valid lease and a default by the tenant LLC. This is usually shown with the executed lease, rent ledger, notices of default (if required), and evidence of nonpayment or other breaches (e.g., abandonment, failure to maintain insurance, unauthorized assignment).

2) A valid guaranty that covers the obligation at issue. The guaranty should be signed by the individual guarantor and describe what is guaranteed—often rent, additional rent (CAM, taxes, insurance), late charges, interest, repair costs, indemnity obligations, and attorney’s fees.

3) The guarantor’s failure to perform after the tenant’s breach. Many guaranties are “absolute and unconditional,” meaning the landlord can proceed directly against the guarantor once the tenant defaults, subject to any notice or cure terms stated in the guaranty.

Because guaranties are interpreted according to their wording, the enforcement outcome in Florida frequently turns on the document’s exact language (including definitions and incorporated lease provisions).

Step One: Confirm the Guaranty Type—Payment vs. Collection

Florida commercial lease guaranties commonly fall into two categories:

Guaranty of payment (preferred for landlords)

A “guaranty of payment” generally allows the landlord to pursue the guarantor immediately upon default without first exhausting remedies against the tenant LLC. These are often labeled “absolute,” “unconditional,” and “continuing.”

Guaranty of collection (more tenant-friendly)

A “guaranty of collection” may require the landlord to first attempt collection against the tenant (or prove tenant insolvency) before proceeding against the guarantor. If your document includes prerequisites like “after landlord exhausts remedies,” “after execution returned unsatisfied,” or similar language, your lawsuit strategy changes.

Practical takeaway: Before sending a demand letter, read the guaranty’s trigger language, notice requirements, and whether the guarantor waived defenses (discussed below). A mismatch between your demand and the guaranty’s prerequisites can become an avoidable defense.

Step Two: Check for Notice, Cure, and Demand Requirements

Not every Florida guaranty requires pre-suit notice, but some do—and many incorporate the lease’s notice provisions. Common pitfalls include:

Notice address errors: Using the wrong address or method (e.g., email when the contract requires certified mail).
Missed cure periods: Filing too early if the guaranty provides a cure period after written notice.
Ambiguous incorporation: The guaranty may say it is “subject to” the lease’s notice provisions, or it may waive them entirely.

Florida courts generally enforce contractual notice terms as written. If notice is required, comply meticulously: match the delivery method, include the necessary content, attach relevant ledgers, and keep proof of delivery.

Step Three: Identify the Damages You Can Demand From the Guarantor

In a Florida business lease default, damages may include more than just base rent. The guarantor’s exposure depends on the guaranty scope and the lease’s remedies clause. Often recoverable categories include:

Past-due rent and additional rent (CAM, taxes, insurance, utilities if defined as rent)
Late fees and contractual interest
Repair costs for tenant-caused damage or failure to return premises in required condition
Holdover rent if applicable
Attorney’s fees and costs if the lease/guaranty provides for fee-shifting
Future rent / accelerated rent only if the lease allows and subject to Florida contract-damages principles, including mitigation

Mitigation in Florida: Commercial landlords are often expected to make reasonable efforts to mitigate damages after a tenant abandons or is evicted (for example, by re-letting). How mitigation applies can be fact-intensive and tied to the remedy elected (termination vs. keeping the lease alive). Your mitigation file—marketing efforts, broker listings, showings, comparable lease rates—can materially affect the recoverable amount against both the tenant and the guarantor.

Pre-Suit Strategy: Demand Letter, Lock Down Evidence, and Preserve Leverage

Before filing suit, a focused pre-suit package can speed resolution and improve settlement leverage.

Send a Florida-specific demand letter

A strong demand typically includes: (1) citation to the lease and guaranty sections, (2) an itemized ledger, (3) a cure deadline, (4) a demand for turnover of keys/access and insurance documents if relevant, and (5) notice that the landlord will seek attorney’s fees and costs.

Secure your documentation

Common exhibits that matter early in litigation include:

Fully executed lease, all amendments, and the guaranty
Tenant application, financials provided, and guarantor ID/signature records
Rent ledger, invoices for CAM/taxes/insurance, and reconciliation statements
Default notices and delivery proofs
Photos, repair estimates, and vendor invoices
Re-letting/mitigation file (broker agreement, marketing logs, LOIs)

Commercial lease cases often turn into accounting disputes. A clean paper trail reduces the tenant/guarantor’s ability to muddy the damages.

Filing Suit in Florida: Common Causes of Action and Venue Choices

When the tenant LLC defaults and the guarantor does not pay, Florida landlords typically sue for:

Breach of lease (against the LLC tenant)
Breach of guaranty (against the individual guarantor)
Account stated (sometimes, where a statement of account was rendered and not timely disputed)

Venue and jurisdiction: Many commercial leases include a venue clause selecting the county where the premises are located (or another Florida county). Confirm whether your damages place the case in county court or circuit court. Filing in the correct court affects timelines, discovery, and motion practice.

Key Contract Clauses That Make or Break Florida Guaranty Enforcement

If you are enforcing (or drafting) a guaranty, these provisions are repeatedly litigated:

1) “Joint and several” liability

This helps ensure the landlord can pursue the guarantor and tenant in the same case, and collect the full amount from either (subject to no double recovery).

2) “Absolute and unconditional” language

This supports direct enforcement without first suing the tenant, depending on the guaranty’s structure.

3) Waiver of defenses

Well-drafted Florida guaranties often include waivers such as:

Waiver of notice of default, presentment, demand, and protest
Waiver of requirement to proceed first against tenant or collateral
Consent to extensions, modifications, or accommodations given to tenant

Florida courts frequently enforce clear waivers, but ambiguous or overbroad provisions can invite disputes—especially if the landlord materially changes the lease terms without the guarantor’s consent.

4) Attorney’s fees and prevailing party clause

Fee-shifting is a major leverage point. Florida generally enforces contractual attorney-fee provisions, but you must plead fees properly and prove reasonableness.

5) Continuing guaranty / renewal language

Many disputes arise when a lease renews or is amended. If the guaranty does not clearly cover extensions, renewals, expansions, or rent increases, the guarantor may argue the guaranty ended or does not apply to modified obligations.

Common Defenses Guarantors Raise in Florida—and How Landlords Counter Them

Guarantors commonly attempt to avoid liability using one or more of the following arguments:

“I didn’t sign it” / signature authenticity

Counter with the executed original, e-sign audit trails, notary records, or testimony from the broker/property manager. If the guaranty was part of a leasing package, keep the entire transaction record.

“The landlord changed the lease, so I’m discharged”

A material modification without guarantor consent can be a real issue in some contexts. Landlords counter by pointing to consent language in the guaranty (e.g., guarantor agrees to amendments and extensions) or showing changes were not material.

“You didn’t give required notice”

Counter with strict proof of compliance—dates, delivery method, addresses, and contract sections. This is where landlords win or lose on procedure rather than merits.

“The landlord failed to mitigate”

Counter with a robust mitigation record: listings, broker engagement, market-rate offers, reasons for rejecting unqualified replacement tenants, and timelines.