Residential Lease Addenda - Mold Disclosure - Wyoming

MOLD, MOISTURE, AND WATER-INTRUSION ADDENDUM

Wyoming Residential Lease

1. DOCUMENT HEADER

Effective Date: [DATE]

Landlord: [LANDLORD LEGAL NAME]

Tenant(s): [TENANT LEGAL NAME(S)]

Premises: [STREET ADDRESS, UNIT, CITY, WYOMING ZIP]

Lease Date: [DATE]

This Addendum supplements the residential lease identified above (the “Lease”). It records known conditions and establishes practical procedures for reporting and responding to moisture, water intrusion, and suspected mold.

Wyoming law note. Wyoming's Residential Rental Property Act does not prescribe a mold-specific disclosure form, inspection method, 48-hour tenant-reporting deadline, or five-day remediation deadline. A condition falls within the Act only when the statutory health-and-safety standards and other prerequisites are met. This Addendum does not promise that every stain, odor, or surface growth is a statutory violation.

2. CONDITION DISCLOSURE AND MOVE-IN RECORD

2.1 Landlord's Current Actual Knowledge

Check one and describe all known conditions accurately:

☐ Landlord has no current actual knowledge of visible suspected mold, unresolved water intrusion, or persistent indoor dampness at the Premises, except as stated below.

☐ Landlord discloses the following current or prior condition, inspection, repair, drying, or treatment:

[DATES, LOCATIONS, OBSERVATIONS, CAUSE IF KNOWN, WORK PERFORMED, AND CURRENT STATUS]

Relevant nonprivileged reports supplied to Tenant: [LIST / NONE].

This knowledge statement is not a representation about conditions that a reasonable visual inspection would not reveal and does not waive either party's duties under law.

2.2 Tenant's Move-In Observations

Tenant may record visible staining, suspected growth, dampness, condensation, odors, plumbing leaks, roof or window leaks, or damaged materials before occupancy:

[OBSERVATIONS / NONE OBSERVED]

Photographs or a move-in condition report attached: ☐ Yes ☐ No

Signing this Addendum does not waive a later claim or establish the cause, identity, toxicity, or health effect of any observed substance.

3. REPORTING AND RESPONSE

3.1 Ordinary Maintenance Report

Tenant shall notify Landlord in writing promptly after discovering suspected mold, unusual persistent moisture, standing water, or water intrusion. The report should state:

• the location and date discovered;
• what Tenant observed and any available photographs;
• any known active leak or urgent safety concern; and
• a reasonable method and time for access.

Send an ordinary maintenance report to: [LANDLORD / MANAGER CONTACT AND DELIVERY METHODS].

The parties may choose the following practical response targets, which are contractual coordination goals and not Wyoming statutory mold deadlines:

• acknowledgment target: [____ hours / days]; and
• inspection or response target: [____ hours / days], subject to access, urgency, and contractor availability.

Failure to meet a chosen target does not by itself establish a statutory violation or create an automatic rent abatement, relocation right, or lease termination.

3.2 Formal First Notice Under Wyo. Stat. Ann. § 1-21-1203(b)

A renter seeking the Act's repair remedy must satisfy the statute's prerequisites. The current renter must have reasonable cause supported by evidence to believe the unit violates the Act's health-and-safety standards, must be current on all payments required by the rental agreement, and must serve written notice that describes the condition and specifies the requested remedial action.

The statutory notice must be sent by certified mail or served in the manner referenced in § 1-21-1003. The owner then has a reasonable time under the circumstances to commence corrective action or notify the renter in writing that the claim is disputed. This Addendum does not replace that formal notice or convert “reasonable time” into a universal fixed number of days.

3.3 Inspection, Findings, and Work

After receiving a credible report, Landlord shall make a reasonably prompt assessment appropriate to the reported condition and shall perform duties imposed by the Act and the Lease. Landlord may use a qualified contractor when the scope or nature of the work warrants one. Wyoming law does not establish a mold-remediator license or require sampling in every residential mold matter merely through §§ 1-21-1201 to -1210.

Landlord should document, as applicable:

• the reported and observed condition;
• the apparent moisture source and steps to stop it;
• drying, removal, cleaning, repair, or further assessment recommended;
• reasonable safety and access instructions; and
• the status or completion of the work.

No party shall disturb suspected hazardous material or undertake work beyond that person's training.

3.4 Access

Tenant shall not unreasonably deny access, refuse entry, or withhold consent for inspection or repairs, as provided by Wyo. Stat. Ann. § 1-21-1205(a)(iii). The parties shall coordinate reasonable timing and follow any additional entry provision in the Lease or applicable law. This Addendum does not invent a statewide 24-hour entry-notice rule.

4. PREVENTION AND RESPONSIBILITY

4.1 Landlord Responsibilities

Landlord shall perform the owner duties imposed by Wyo. Stat. Ann. §§ 1-21-1202 and 1-21-1203, including maintaining the unit in a safe and sanitary condition fit for human habitation and maintaining the systems and facilities covered by those sections.

4.2 Tenant Responsibilities

Consistent with Wyo. Stat. Ann. §§ 1-21-1204 and 1-21-1205, Tenant shall:

• keep the occupied unit clean and safe and dispose of waste safely;
• use plumbing, heating, electrical, sanitary, ventilation, and other provided facilities reasonably;
• take reasonable steps to limit avoidable indoor moisture, including using provided exhaust equipment as designed and promptly cleaning spills;
• avoid intentionally or negligently damaging the unit or concealing a reported condition; and
• cooperate with reasonable access and written work instructions.

4.3 Tenant-Caused Conditions

Under § 1-21-1203(c), an owner is not required by that article to remedy a condition caused by the inappropriate use or misuse of the property by Tenant, Tenant's family, or Tenant's guests or invitees. Any cost claim must still be supported by the facts, the Lease, and applicable law. This Addendum creates no automatic presumption that mold or moisture was tenant-caused.

4.4 No Health Diagnosis

The parties do not use this Addendum to diagnose an illness or determine mold species or toxicity. A person with health concerns should consult an appropriate health professional. An urgent threat to life or safety should be addressed through appropriate emergency services.

5. STATUTORY NOTICE AND REMEDY PATH

5.1 Second Notice After Reasonable Time

If a reasonable time has elapsed after proper first notice under § 1-21-1203(b), and the owner has failed to respond or correct the described condition, a qualifying renter may serve the second “notice to repair or correct condition” described in § 1-21-1206(b). That notice must:

1. recite the prior § 1-21-1203(b) notice;
2. state how many days have elapsed and why that period is reasonable under the circumstances;
3. identify the previously reported conditions that remain uncorrected;
4. demand correction; and
5. state that the renter will seek court relief if the owner fails to commence reasonable corrective action within three days.

The second notice must be sent by certified mail or served in the manner referenced in § 1-21-1003. Parties should retain the notice, evidence, and proof of service.

5.2 Circuit-Court Action

If the owner disputes the claim, or does not correct or use due diligence to correct the condition after the statutory notices, a qualifying renter may commence a civil action in Wyoming circuit court under § 1-21-1206(c). The court determines whether the refusal was unreasonable or due diligence was lacking and may award costs, damages (which may include improperly retained or collected rent), and affirmative relief. Affirmative relief may include a declaration terminating the rental agreement or an order directing reasonable repairs.

These remedies are not automatic. Section 1-21-1206(a) conditions them on the renter's compliance with §§ 1-21-1204 and -1205 and on the rental agreement not having been lawfully terminated under § 1-21-1203(d).

5.3 Excessive Repair Cost

Section 1-21-1203(d) permits an owner to refuse correction and terminate when repair cost is excessive under the statute's fact-specific standard. The owner must give written notice within a reasonable time and allow no less than 10 and no more than 20 days to find substitute housing. If that route is used, rent is prorated through move-out and the balance and any deposit due are handled as the statute provides.

5.4 No Added Remedies or Waivers

This Addendum creates no automatic right to rent withholding, rent abatement, self-help repair deduction, hotel reimbursement, attorney fees, injunctive relief, or termination. It does not release a party from liability, cap damages otherwise available, require indemnification, or waive any right or remedy supplied by applicable law. Section 1-21-1203(e) separately provides that an owner is not liable under that article for claims for mental suffering or anguish.

6. GENERAL PROVISIONS

6.1 Relationship to Lease and Law

This Addendum is incorporated into the Lease. A conflict is resolved in favor of applicable law and then the Lease, except where this signed Addendum expressly and lawfully modifies a duty as permitted by Wyo. Stat. Ann. § 1-21-1202(d).

6.2 No Mold-Specific Government Approval

This is a private lease addendum. It is not a Wyoming government form, environmental clearance, warranty that the Premises is mold-free, or substitute for a fact-specific inspection.

6.3 Written Changes; Severability

Any change must be in a writing signed by Landlord and Tenant. If a provision is unenforceable, the remaining provisions continue only to the extent they can operate consistently with law.

6.4 Copies

Each party acknowledges receipt of a completed copy of this signed Addendum and any listed attachments.

7. EXECUTION BLOCK

Additional Tenant: ______________________________ Date: ____________

OFFICIAL SOURCES AND VERIFICATION QUOTES

Current Wyoming Legislature, Title 1, Code of Civil Procedure, https://wyoleg.gov/statutes/compress/title01.pdf (fetched and checked August 16, 2026):

• § 1-21-1202(a), (c)-(d): owner must maintain the unit “in a safe and sanitary condition fit for human habitation”; the article excludes conditions that do not “materially affect the physical health or safety of the ordinary renter”; duties may be assigned or modified by “explicit written agreement signed by the parties.”
• § 1-21-1203(b): a qualifying renter gives written notice specifying requested remedial action; “[w]ithin a reasonable time” the owner must commence correction or dispute the claim in writing; service is by certified mail or the method referenced in § 1-21-1003.
• § 1-21-1203(c)-(e): the article excludes renter/family/guest misuse; an excessive-cost refusal may lead to written termination with “no less than ten (10) days nor more than twenty (20) days” for substitute housing; the article excludes owner liability for “mental suffering or anguish.”
• §§ 1-21-1204 to -1205: renter duties include cleanliness, safe waste disposal, reasonable use of facilities, avoiding intentional or negligent damage, and not unreasonably withholding repair or inspection access.
• § 1-21-1206(b): after the first notice and a reasonable time, the second notice warns that court relief will be sought unless the owner “commence[s] reasonable corrective action within three (3) days.”
• § 1-21-1206(c): the authorized civil action is in “circuit court”; possible relief includes costs, damages, improperly retained rent, a termination declaration, or an order for reasonable repairs.

END OF DOCUMENT