Residential Lease Addenda - Mold Disclosure - District of Columbia

District of Columbia Real Estate Updated October 14, 2026 Free Word and PDF

RESIDENTIAL LEASE ADDENDUM — MOLD DISCLOSURE AND RESPONSE

District of Columbia

This Addendum is made on [__/__/____] by [LANDLORD OR PROPERTY OWNER LEGAL NAME] (Landlord) and [TENANT LEGAL NAME(S)] (Tenant) for the dwelling at [PREMISES ADDRESS]. It forms part of their lease dated [__/__/____]. The property's residential owner is [OWNER NAME, IF DIFFERENT]. Any nonwaivable District law controls over a conflicting term here.

1. Mold disclosure

For the application-stage disclosure under D.C. Code § 42-3502.22(b)(1)(K), Landlord states the following information known or that should have been known about indoor mold contamination in the unit or common areas during the preceding three years, excluding mold remediated by a District-certified and licensed indoor mold remediation professional:

[DESCRIPTION, LOCATION, DATES, AND RELATED DOCUMENTS / NONE TO DISCLOSE].

Copies of corresponding assessment and remediation documents supplied to Tenant: [LIST AND DATES / NONE]. Tenant acknowledges receipt of [DOCUMENTS / NONE] on [__/__/____]. This Addendum does not replace any application-stage disclosure that was required before signing.

Current visible mold or moisture condition observed by Landlord: [DETAILS / NONE KNOWN]. Current visible condition observed by Tenant: [DETAILS / NONE OBSERVED]. These statements describe current observations and do not waive a later complaint or remedy.

2. Notice, inspection, and treatment

Tenant may send written or electronic notice of indoor mold or suspected indoor mold in the unit or a common area to [OWNER OR LANDLORD NOTICE ADDRESS / EMAIL]. Include the location, date, and available photos. Landlord shall promptly pass any such notice to the residential property owner if Landlord is acting for the owner.

Under D.C. Code § 8-241.04(a), a residential property owner who receives that notice must inspect the property within seven days and remediate the condition within 30 days after inspection, unless a court or the Mayor orders a shorter period. If professional remediation is not required under § 8-241.04(c), the owner must clean and remove the indoor mold from the contaminated surface under the applicable District guidelines. If the owner knows or has reason to know that indoor mold contamination exists, the owner must cause remediation by an indoor mold remediation professional under § 8-241.04(c). The parties shall follow any shorter lawful order.

Landlord shall give Tenant the inspection findings and the planned treatment date at [TENANT NOTICE ADDRESS / EMAIL]. The parties shall cooperate with reasonable moisture-source correction and lawful treatment access. Tenant shall promptly report water leaks and use installed ventilation reasonably. If assessment, treatment, or temporary relocation is needed, the parties shall record the arrangements in Exhibit A and preserve any right or remedy provided by law.

3. Entry

For ordinary inspection or treatment entry, Landlord shall give Tenant at least 48 hours' written notice under D.C. Code § 42-3505.51(a)(1), unless Tenant agrees in writing to a shorter period. Ordinary entry is between 9 a.m. and 5 p.m., excluding Sundays and federal holidays, unless Tenant agrees to another time. If electronic notice is not acknowledged in writing, Landlord shall provide paper notice as the section requires. Emergency entry remains governed by § 42-3505.51(b)(1).

When Tenant alleges a housing code violation, Tenant shall not unreasonably prevent assessment or abatement and shall provide access within 48 hours after the housing provider's written request, as § 42-3505.51(b)(3) provides.

4. Costs and remedies

Each party's cost responsibility and available relief follow the lease and applicable District law. This Addendum does not require Tenant to surrender a housing code claim, accept an automatic charge, or obtain Landlord's consent before using a lawful remedy. A contractual discussion about costs or access shall not extend the inspection or remediation periods in § 8-241.04. In a qualifying Property Maintenance Code or Housing Code case, the court may award relief under D.C. Code § 8-241.05(a)(2) only when its conditions are met. This Addendum imposes no mandatory arbitration or jury waiver.

Amendments to this Addendum must be written and signed by both parties. The lease and this Addendum state the parties' agreement on mold disclosure and response, subject to applicable law.

5. Signatures

LANDLORD / OWNER REPRESENTATIVE

Signature: ______________________________ Date: [__/__/____]

Printed name and capacity: [NAME AND CAPACITY]

TENANT

Signature: ______________________________ Date: [__/__/____]

Printed name: [NAME]

ADDITIONAL TENANT (if any)

Signature: ______________________________ Date: [__/__/____]

Printed name: [NAME]

Exhibit A — Inspection and treatment record (if attached)

Notice received: [DATE] Inspection completed: [DATE]

Findings, professional, moisture-source correction, treatment and follow-up dates, access arrangements, and any temporary housing agreement: [DETAILS / NO EXHIBIT].

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About this template

Last updated
October 14, 2026
Citations checked
October 14, 2026
Jurisdiction
District of Columbia
Category
Real Estate

Legal authority

  • D.C. Code § 8-241.04 (residential mold inspection and remediation deadlines)
  • D.C. Code § 42-3502.22(b)(1)(K) (prospective-tenant mold disclosure)
  • D.C. Code § 8-241.05(a)(2) (potential tenant remedies in qualifying housing code cases)
  • D.C. Code § 42-3505.51(a)(1), (a)(3), (b)(1), (b)(3) (entry notice and time)

Real estate documents transfer ownership, define who can use a property, and record agreements between buyers, sellers, landlords, and tenants. Deeds, purchase agreements, leases, and easements have to be drafted to meet state recording requirements, and mistakes show up at closing or years later in title disputes. Good real estate paperwork moves transactions forward quickly and avoids the kind of problems that only surface when it is time to sell or refinance.

Not legal advice

This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.

Checked against the law it cites

A reviewer verified this template's legal citations against the official source on October 14, 2026.

D.C. Code § 42-3505.51(a)(1) (checked October 14, 2026): ""Reasonable notice" means written notice provided to the tenant at least 48 hours before the time the housing provider wishes to enter the unit or a shorter period of time as agreed to by the tenant in writing."

D.C. Code § 42-3505.51(a)(3) (checked October 14, 2026): ""Reasonable time" means a time between the hours of 9 a.m. and 5 p.m., and not on a Sunday or federal holiday, or at another time agreed upon by the tenant."

D.C. Code § 42-3505.51(a)(1), (a)(3), (b)(1) (checked October 14, 2026): "Except in the event of an emergency for the protection or preservation of the premises, or for the protection and safety of the tenants or other persons, a housing provider may enter a rental unit during a tenancy only for a reasonable purpose, at a reasonable time, and after having provided the tenant with reasonable notice."

D.C. Code § 42-3505.51(b)(3) (checked October 14, 2026): "Upon the allegation of a housing code violation by a tenant, a tenant may not unreasonably prevent the housing provider from accessing the unit for assessment and abatement of the alleged violation and must provide access to the unit within 48 hours of the written request by the housing provider for access."

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