Boise, Idaho · Idaho Code § 6-321

The Boise security deposit demand letter that gets deposits back.

Idaho law gave your Boise landlord 21 days to return it or itemize. If that clock has run, a Boise security deposit demand letter puts Idaho Code § 6-321 to work on your side.

Demand my money back
Writing it costs nothing. $20 covers printing, certified postage and the return receipt.
21
days to return or itemize
Penalties
for non-compliance
$20
letter + certified mail, one-time

Last updated September 2026 · local figures: U.S. Census ACS 2024 5-year

Boise deposit math
Median rent in Boise$1,446/mo
Typical deposit ≈ one month≈$1,400
Statutory deadline21 days

Median gross rent: U.S. Census Bureau, ACS 2024 5-year (table B25064). Deposit example rounded to one month's rent; statutory figures are ceilings, and courts decide actual awards.

What Boise renters should know

Boise deposit law at a glance

The law that protects your deposit

Deposits in Boise are governed by Idaho state law: Idaho Code § 6-321. Wrongful retention exposes the landlord to damages; the deposit must be refunded with an itemized statement within the statutory window. Full Idaho deadline & penalty guide →

The court that would hear it

Deposit claims from Boise are filed in the Small Claims Department of the Magistrate Division serving Ada County, a court designed for people without lawyers, hearing claims up to $5,000. A typical Boise deposit of about $1,400 sits well inside that limit, which is exactly why a statute-citing certified letter usually settles it first.

Extra protection in Boise

Boise adds a rule of its own, and it is a useful one if your building is being torn down. Under Boise City Code section 5-17-8, in force since January 2024, where a landlord ends or refuses to renew your lease because the unit is to be demolished or substantially remodeled, there is a rebuttable presumption that the only thing they may keep from your deposit is the cost of damage to appliances, fixtures and materials they will actually salvage or reuse. If the wall is coming down anyway, they should not be billing you for the wall. Complaints go to Boise code compliance within six months.

Where the Boise letter ends up

You read the whole letter before paying anything. You sign it, we print it, and it goes out by USPS Certified Mail with return receipt requested. You get the tracking number, the delivery record and a signed PDF carrying a fingerprint of its exact wording.

How it works covers every step, and what it costs to do the same thing alone.

Have it mailed, not downloaded.$20 covers the letter, the printing, the certified postage, and the return receipt — and you read every word before you pay.
Read my Boise letter
On the last page of your letter

The bit that stops them arguing

Not a logo that says “verified.” A short record of how and when you signed, printed on the letter your Boise landlord is holding, plus a code made from the letter's own words.

  • The demand paragraph
  • The signature record
  • The SHA-256 hash
  • Certified Mail with Return Receipt
Pin 1 · The demand paragraphThe paragraph names your state's statute, the amount your landlord kept, the deadline they missed, and gives them a firm deadline to send the money before the letter says what happens next. Every part of it comes from the answers you gave, printed in the order the law expects.
Pin 2 · The signature recordMethod (drawn or typed), date, time zone, IP, browser, and consent to sign electronically. Printed on the letter itself, so the person receiving it can see how it was signed. Nothing goes out until a real person signs.
Pin 3 · The SHA-256 hashA 64-character code built from every word in your letter, recorded with the date and time you signed. It is your signing record: paste it into the checker at /verify/ and it confirms the wording you hold is the wording you signed, unchanged. It is not proof of delivery; the certified mail record below is.
Pin 4 · Certified Mail with Return ReceiptSomeone at the other end has to sign. This is the proof: the certified mail receipt, the USPS tracking history, and the delivery signature with its date. The Postal Service records them, our mail partner passes them to us, and we email them to you and post them on your letter tracker. Your landlord cannot claim the letter never came.

The closing words above are the real ones our engine writes for Boise letters, statute and deadline included. The name, signature and codes are made up; yours carry your own record. The time is shown in the signer's own time zone, not ours.

That code is built from every word in your letter. Change one word and it no longer matches. Type it into our checker and it tells you the letter is the same one you signed. See how a Boise letter checks out →

What a Boise deposit is usually worth

Put a number on it: gross rent in Boise sits near $1,446 a month (ACS 2024 5-year), so a one-month deposit is about what a renter here stands to lose. That is about 17% above the Idaho median of $1,238, which means deposits here run larger than the statewide picture suggests, and so does what you lose by writing one off.

About 37% of Boise households rent rather than own. That is a large enough population that the local court is thoroughly used to hearing deposit claims from tenants without lawyers. The rule that governs what happens to that money is set at the state level, by Idaho Code § 6-321, and it applies in Boise exactly as it does anywhere else in Idaho.

Renters underestimate how much the format matters. The same request, made by text, gets filed under “annoyance”; made by certified letter citing the statute and the deadline, it gets filed under “risk”. The money at stake did not change. The category did.

Boise adds a layer state law does not

Most renters never find this out, and landlords rarely volunteer it:

Boise adds a rule of its own, and it is a useful one if your building is being torn down. Under Boise City Code section 5-17-8, in force since January 2024, where a landlord ends or refuses to renew your lease because the unit is to be demolished or substantially remodeled, there is a rebuttable presumption that the only thing they may keep from your deposit is the cost of damage to appliances, fixtures and materials they will actually salvage or reuse. If the wall is coming down anyway, they should not be billing you for the wall. Complaints go to Boise code compliance within six months.Local rule on top of Idaho Code § 6-321 · general legal information, not legal advice

State law remains the backbone of the demand; the local rule adds weight on top of it. It signals that you have looked past the first page of search results, which is not what a stalling landlord is expecting. Because these rules are amended more often than statutes, check the city’s current position before you lean on it.

Leaving a Boise rental without losing the deposit

Markets this size are mostly individual owners and small operators, which cuts both ways. There is often no formal complaints process to turn to, but there is a real person who understands that a certified letter citing the statute is not something you leave in a drawer.

  • Do a final photo pass at handover. Every room, every surface, and the meter readings. Keep the originals: their embedded timestamps are what make them evidence rather than pictures.
  • Make the address handover provable. Email, text, certified mail, USPS change of address confirmation: any one of them, kept.
  • Confirm where formal notice should go. A management company address on a rent portal is often not an address that counts for serving anything.
  • Set yourself a date and keep it. 21 days after handover, if nothing has arrived, send the letter. Landlords who intend to pay have already paid by then.

Where a Boise renter would actually file

Most of these disputes end with a check, not a hearing. But the letter only carries weight because of what sits behind it, so it is worth knowing what that is.

Idaho routes deposit claims to the Small Claims Department of the Magistrate Division, with a limit of $5,000. For a rental in Boise, that normally means the court serving Ada County. Filing fees and procedure are set by the court. The Idaho judiciary publishes its own small claims instructions and forms, which is the page to read before you file.

The forum is deliberately informal, which favors the party who turns up organized. Bring the lease, the photographs with their original dates intact, proof of the address you gave them, and the certified mail receipt for your letter.

Have it mailed, not downloaded.$20 covers the letter, the printing, the certified postage, and the return receipt — and you read every word before you pay.
Read my Boise letter

Boise renters, by the numbers

$1,446
median gross rent per month in Boise
37%
of Boise's ≈101,000 households rent their home
≈37,000
renter households on the same 21-day clock
$5,000
small claims limit in Idaho. Deposit cases fit easily

Sources: U.S. Census Bureau, ACS 2024 5-year, tables B25064 & B25003 (Boise; Census place “Boise City city”); Idaho Code § 6-321. Population ≈237,000.

Boise deposit questions

How long does a landlord in Boise have to return a security deposit?
21 days. The statute (Idaho Code § 6-321) requires the landlord to act within 21 days after surrender (up to 30 days if agreed in writing). Miss it, and the law's remedies open up: Wrongful retention exposes the landlord to damages; the deposit must be refunded with an itemized statement within the statutory window.
Can I sue my landlord in small claims court in Boise?
Yes, that's exactly what the venue is for. Deposit claims from Boise are filed in the Small Claims Department of the Magistrate Division serving Ada County, a court designed for people without lawyers, hearing claims up to $5,000. A demand letter sent by certified mail is the documented first step judges expect to see.
Is a demand letter worth it for a typical Boise deposit?
Median rent in Boise is $1,446 a month (U.S. Census, ACS 2024 5-year), and deposits typically run about one month's rent. Call it $1,400. The letter is $20 flat, certified mail included, and you read every word of it before paying.
Does Boise have its own deposit rules on top of state law?
Boise adds a rule of its own, and it is a useful one if your building is being torn down. Under Boise City Code section 5-17-8, in force since January 2024, where a landlord ends or refuses to renew your lease because the unit is to be demolished or substantially remodeled, there is a rebuttable presumption that the only thing they may keep from your deposit is the cost of damage to appliances, fixtures and materials they will actually salvage or reuse. If the wall is coming down anyway, they should not be billing you for the wall. Complaints go to Boise code compliance within six months. Your letter's statutory citations still control the deadline, but knowing the local layer exists helps you push back with confidence.

General legal information, not legal advice. Court limits and city ordinances change; verify current rules or consult a licensed Idaho attorney.

Skip the trip to the Post Office.$20 covers the letter, the printing, the certified postage and the return receipt. No stamps, no green card to fill in wrong, no queue.
Read my Boise letter
Boise · Keep reading

Worth reading next

Free to read, in the order most Boise renters need it.

Not renting in Boise any more? We send security deposit demand letters written the way Boise, Idaho letters are in all 50 states and the District of Columbia, each built on that state's own statute.

Boise · Free help

Free help for Boise renters

If you would rather talk to someone than read a statute, start here. These Idaho organizations take renter questions for free, and the court listed is the one that would hear a Boise deposit claim.

Government and nonprofit resources, listed because they are useful. We are not affiliated with any of them, and none of them is affiliated with us. Every link here was checked on August 30, 2026.

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