Certified Letter Templates: 24 Samples for Every Need

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Certified letters provide proof of mailing and receipt, making them essential for formal communications, legal matters, and important business transactions. Using a well-crafted template saves time and ensures your letter includes all necessary information. We’ve compiled 24 diverse certified letter samples covering a wide range of situations, from formal notices to customer correspondence.

These templates are designed to be adaptable to your specific needs. Remember to customize each letter with your specific details, recipient information, and the precise message you intend to convey. Each sample is provided as a reference, and you should always consult with a legal professional if you have any doubts regarding the legal implications of your communication.

24 Certified Letter Samples

Sample 1: Notice of Lease Termination

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Notice of Lease Termination

Dear [Recipient Name],

Please be advised that this letter serves as formal notification of our intention to terminate the lease agreement for the property located at [Property Address], effective [Termination Date].

Sincerely,
[Your Name/Signature]

Sample 2: Demand for Payment

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Demand for Payment

Dear [Recipient Name],

This letter serves as a formal demand for payment of [Amount] for [Description of Debt], which is currently overdue. Payment is expected within [Number] days of the date of this letter.

Sincerely,
[Your Name/Signature]

Sample 3: Letter of Complaint

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Complaint

Dear [Recipient Name],

I am writing to express my dissatisfaction with [Service/Product] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 4: Notice of Contract Breach

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Notice of Contract Breach

Dear [Recipient Name],

This letter serves as formal notification that you are in breach of the contract dated [Date of Contract], specifically section [Section Number], due to [Reason for Breach].

Sincerely,
[Your Name/Signature]

Sample 5: Notice of Collection

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Notice of Collection

Dear [Recipient Name],

This letter serves as notification that your account is delinquent. Failure to payment will result in [action to take].

Sincerely,
[Your Name/Signature]

Sample 6: Notice of Eviction

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Notice of Eviction

Dear [Recipient Name],

This letter serves as notification that you will be evicted on [date]. Failure to payment will result in [action to take].

Sincerely,
[Your Name/Signature]

Sample 7: Proof of Address

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Proof of Address

Dear [Recipient Name],

This letter serves as notification that your address is [action to take].

Sincerely,
[Your Name/Signature]

Sample 8: Cease and Desist Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Cease and Desist Letter

Dear [Recipient Name],

This letter serves as notification that you must stop [action to take].

Sincerely,
[Your Name/Signature]

Sample 9: Complaint to Landlord

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Complaint to Landlord

Dear [Recipient Name],

I am writing to express my dissatisfaction with [Complaint] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 10: Letter of Intent

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Intent

Dear [Recipient Name],

I am writing to express my interest with [Intent] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 11: Business Contract

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Business Contract

Dear [Recipient Name],

I am writing to express my interest with [Contract] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 12: Employment Offer

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Employment Offer

Dear [Recipient Name],

I am writing to express my interest with [Contract] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 13: Letter of Recommendation

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Recommendation

Dear [Recipient Name],

I am writing to express my interest with [recommendation] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 14: Personal Reference Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Personal Reference Letter

Dear [Recipient Name],

I am writing to express my interest with [Reference] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 15: Letter of Apology

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Apology

Dear [Recipient Name],

I am writing to express my interest with [Apology] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 16: Resignation Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Resignation Letter

Dear [Recipient Name],

I am writing to express my interest with [Resignation] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 17: Letter Request for Information

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter Request for Information

Dear [Recipient Name],

I am writing to express my interest with [Request for Information] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 18: Letter of Authorization

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Authorization

Dear [Recipient Name],

I am writing to express my interest with [authorization] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 19: Response to Complaint

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Response to Complaint

Dear [Recipient Name],

I am writing to express my interest with [Response] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 20: Warranty Claim Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Warranty Claim Letter

Dear [Recipient Name],

I am writing to express my interest with [Claim] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 21: Dispute Billing Error Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Dispute Billing Error Letter

Dear [Recipient Name],

I am writing to express my interest with [Dispute] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 22: Proof of Income Letter

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Proof of Income Letter

Dear [Recipient Name],

I am writing to express my interest with [Income] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 23: Letter of Thanks

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Thanks

Dear [Recipient Name],

I am writing to express my interest with [Thanks] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]

Sample 24: Letter of Explanation

[Your Name/Company Name]
[Your Address]
[Date]

[Recipient Name]
[Recipient Address]

Subject: Letter of Explanation

Dear [Recipient Name],

I am writing to express my interest with [Explanation] received on [Date]. Specifically, [Describe the Issue].

Sincerely,
[Your Name/Signature]


Using these certified letter templates provides a solid foundation for your important correspondence. Remember to always adapt the templates to the specifics of your situation and consult with legal counsel when necessary to ensure full compliance and protect your interests. Utilizing certified mail adds an extra layer of security and proof of delivery, making these templates even more valuable for various official and personal communications.

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Hello, I’m Richard Patricia, a Professional Letter Writer with years of experience crafting the perfect words to communicate your message effectively. Whether it’s a business proposal, a heartfelt apology, or a formal request, I understand how important it is to get the tone, language, and style just right. My approach is simple: each letter is tailored to the unique needs of my clients, ensuring it reflects professionalism, sincerity, and warmth. I pride myself on delivering letters that not only convey the message clearly but also resonate with the reader.

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