What is the implied warranty of habitability?

Almost every state recognizes (by statute or common law) that a residential lease includes an implied promise that the unit will remain fit for human habitation throughout the tenancy. This includes heat, water, electricity, weatherproof structure, working plumbing, no major pest infestation, and compliance with local housing codes. A landlord's breach of this warranty is the legal basis for repair, rent abatement, repair-and-deduct, and constructive eviction.

How long does the landlord have to repair?

In most jurisdictions, "reasonable time" is 14–30 days for habitability defects. For life-safety conditions (no heat in winter, no water, broken locks, exposed wiring), the courts apply a much shorter window — 24–72 hours. Some states (California, Massachusetts, etc.) codify exact timelines in statute. The letter demands a 7-day written response with the contractor and date.

Can I just stop paying rent until they repair?

No — almost universally a bad idea. Withholding rent without going through the proper procedure (notice, escrow, court approval depending on the state) gives the landlord grounds to file an unlawful-detainer eviction. The right move is to send written notice (this letter), document everything, and then invoke a state-specific remedy: rent escrow, repair-and-deduct (with a rent cap), or filing a habitability complaint with local code enforcement.

Should I send it certified mail?

Yes — USPS Certified Mail with Return Receipt Requested. Many state landlord-tenant statutes require written notice before invoking the heavy remedies. The certified-mail green card is your enforcement evidence. Without it, the landlord can deny receipt and any subsequent escrow or repair-and-deduct may be invalidated.

Landlord-tenant overview

Landlord repair demand

Make the landlord fix it.

Every state recognizes an implied warranty of habitability. Once you put it in writing, the landlord has a reasonable time (typically 14–30 days; 24–72 hours for life-safety) to cure or face rent-abatement, repair-and-deduct, or constructive-eviction remedies. The wizard builds the letter for you — free.

1You + unit
2Landlord
3Conditions
4Demands
5Review

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