Indiana Tax Lien Investing: The Complete Investor Guide

Indiana is a tax lien state with an online auction platform, a penalty-based return structure, and a court-supervised tax deed process that rewards investors who follow the notice requirements precisely, and voids the certificates of those who don't.

Indiana is one of the most investor-friendly tax lien states in the country for beginners and experienced investors alike. Auctions are conducted online through a centralized platform (SRI Services / Zeus Auction), registration is straightforward, competition is less intense than coastal markets, and the penalty structure provides predictable returns whether the property owner redeems or you pursue the deed. Indiana also has a Commissioners' Certificate Sale, a second-chance auction that offers deeper discounts on unsold properties, that experienced investors increasingly target for ownership plays.

This guide covers how Indiana's premium bid auction works, the penalty rate structure, both auction tracks, the 1-year redemption period, the tax deed petition process, and what due diligence to run before you bid.

Indiana Is a Tax Lien State, Not a Tax Deed State

When you buy at an Indiana tax sale, you are not buying the property. You are purchasing a Tax Sale Certificate, a statutory lien against the property representing the delinquent taxes you paid on the owner's behalf.

What you own after winning the bid:

  • A Tax Sale Certificate, a lien on the property

  • The right to receive redemption payments (your principal + penalties + reimbursable costs) if the owner redeems

  • The right to petition the court for a tax deed if the owner does not redeem within the redemption period

You do not own the property, have no right to possess it or collect rents, and cannot enter the property during the redemption period without risk of trespass liability. Ownership comes only after the redemption period expires and the court issues a tax deed.

How Indiana Tax Sales Are Conducted

Indiana tax sales are premium bid auctions, the opposite of Illinois's bid-down system. In Indiana, bidding starts at the minimum bid (the total delinquent taxes, penalties, interest, and costs certified for sale), and investors compete by bidding higher than that minimum. The highest bid wins the Tax Sale Certificate.

What happens to overbid amounts: Any amount you pay above the minimum bid is called the premium. Indiana law treats this differently from the base bid. If the owner redeems, you receive back your entire bid plus penalties and allowable costs, including the premium. However, if the property goes all the way to a tax deed, the premium is not automatically recoverable in all circumstances. Understand what you're paying above minimum and why before bidding above market.

Auction platform: Nearly all Indiana counties use SRI Services (operating through the Zeus Auction platform at sriservices.com) for their annual tax sales. Registration is completed online at SRI's website, one registration is good across most Indiana county sales. Some sales are conducted fully online; others require in-person or proxy attendance at the courthouse. Verify the format for each county sale before the auction date.

When sales are held: Indiana counties typically hold their annual tax sales in the fall, most between September and November, though specific dates vary by county. Some larger counties hold sales on multiple days. Check SRI Services' auction calendar for upcoming sale dates.

Payment: Payment requirements vary by county but most require a deposit at registration and full payment within a specified period after winning. Confirm payment terms with the specific county before bidding.

What you receive: A Tax Sale Certificate issued by the County Auditor, identifying the parcel, the amount paid, and the date of sale. Keep this certificate, you must surrender the original when petitioning for a tax deed.

Treasurer's Tax Sale vs Commissioners Certificate Sale

Treasurer's Tax Sale (Annual Sale)

The standard county sale, held annually. Properties with delinquent taxes certified to the County Auditor are offered at auction starting at the minimum bid. The winning bidder receives a Tax Sale Certificate and a 1-year redemption period begins from the date of sale.

Properties not sold at the Treasurer's sale, because no one bid or bidding didn't meet the minimum, are turned over to the County Board of Commissioners.

Commissioners' Certificate Sale

Under IC 6-1.1-24-6.1, the County Board of Commissioners holds a second auction for properties that didn't sell at the annual Treasurer's sale. The Commissioners are authorized to set reduced minimum bids below the full delinquent tax amount, meaning properties can sometimes be acquired for far less than the unpaid taxes owed.

Key differences from the Treasurer's sale:

  • Minimum bids can be significantly lower than actual delinquent taxes

  • The redemption period for the property owner is only 120 days, not 1 year

  • The same notice requirements and tax deed petition process apply after redemption expires

  • Properties in this sale frequently have more complex issues, condition, title complications, or undesirable characteristics, which is why they didn't sell the first time

For investors focused on ownership plays rather than yield, the Commissioners' sale is worth serious attention. Lower minimum bids, shorter redemption period, and less competition from yield-focused investors make it a different risk/reward profile than the annual sale.

The Redemption Period and Penalty Structure

Treasurer's Sale, 1-Year Redemption Period

Under IC 6-1.1-25-4, the property owner has 1 year from the date of the tax sale to redeem the Tax Sale Certificate.

The Penalty Structure at Redemption

Indiana uses a flat penalty system, not a simple interest rate. Under IC 6-1.1-25-2, if the owner redeems, they must pay:

  • The amount you paid at the tax sale (your bid)

  • 10% penalty on the minimum bid amount for the first 6 months after the sale

  • 15% penalty on the minimum bid amount if redemption occurs in the second 6 months (months 7–12)

  • Any subsequent taxes you paid on the property after the sale, plus a penalty on those amounts

  • Allowable costs: attorney fees and title search costs, but only if you timely filed Form 137B with the County Auditor (see below)

Important nuance: The penalty is calculated on the minimum bid amount, not your total bid. If you bid above the minimum, the premium portion does not generate additional penalty return when the owner redeems. This matters when evaluating how aggressively to bid above minimum.

Example: Minimum bid is $8,000. You win at $8,000. Owner redeems at month 9. They owe you $8,000 + 15% of $8,000 ($1,200) + any subsequent taxes you paid + your allowable costs. Total return: approximately 15% on principal plus cost recovery in under a year.

Commissioners' Sale, 120-Day Redemption Period

For properties purchased at a Commissioners' Certificate Sale, the property owner has only 120 days to redeem. The same penalty structure applies.

Critical Step: Form 137B and the 30-Day Rule

This is the step that catches the most Indiana tax sale investors off guard.

Under IC 6-1.1-25-2, you are only entitled to recover your attorney fees and title search costs at redemption if you properly filed Form 137B (Statement of Costs Paid on Tax Sale Property) with the County Auditor before the redemption occurs.

How it works:

  • Within 30 days after the tax sale, you must order a title search, the statute effectively requires this because you cannot identify all interested parties for the required notice without one

  • Once you have your attorney fees and title search costs, file Form 137B with the County Auditor to put those costs on record

  • If the owner redeems, the County Auditor ensures you are reimbursed for those recorded costs from the redemption payment

  • If you don't file Form 137B before redemption occurs, you forfeit recovery of those costs, even if they were legitimate and reasonable

File Form 137B promptly after every purchase. It's a simple form, but missing it is a real and avoidable financial hit.

Additionally, Form 137B must be refiled anytime you pay subsequent taxes on the property. Each subsequent tax payment is a separate cost entry that needs to be recorded to be recoverable.

The Required Notice During the Redemption Period

Indiana law imposes strict notice obligations on tax sale purchasers during the redemption period. This is the most technically demanding part of Indiana tax lien investing, and failure here is fatal to your ability to obtain a tax deed.

What Notice Is Required

Under IC 6-1.1-25-4.5, within 90 days of the tax sale, the Tax Sale Certificate holder must give written notice to:

  • The owner of record as of the tax sale date

  • Any mortgagee or lienholder with a recorded interest in the property

  • Any person with a recorded interest in the property

  • Any occupant of the property

Notice must be given by certified mail to the last known address of each party, and by personal service (via the Sheriff) if certified mail is not successful.

The notice must inform each party:

  • That the property was sold at a tax sale

  • The date the redemption period expires

  • The amount required to redeem

  • That a petition for a tax deed will be filed if redemption does not occur

Why this matters: If you fail to notify a party with a recorded interest in the property, a mortgage lender, a judgment creditor, or another lienholder, that party's rights are not extinguished by the eventual tax deed, and they retain the ability to challenge your ownership. A complete title search before or immediately after the sale is not optional, it is the foundation of your notice list.

The Tax Deed Petition Process

If the owner does not redeem within the applicable redemption period, you must file a court petition to convert your Tax Sale Certificate into a deed. This process is governed by IC 6-1.1-25.

The Petition Process Step by Step

Step 1: Give notice before filing
Before filing the petition, you must send notice to all interested parties (identified through your title search) informing them that you will be filing a petition for a tax deed. This notice must go out before the petition is filed.

Step 2: File the Verified Petition
File the Verified Petition for Issuance of Tax Deed in the Circuit or Superior Court of the county where the property is located. The petition must be filed after the redemption period expires and no later than 3 months after expiration.

Step 3: Objection period
Any person with an interest in the property may file a written objection to the petition within 30 days of the petition being filed. If an objection is filed, the court schedules a hearing. If no objection is filed, the court may or may not hold a hearing, it has discretion either way.

Step 4: Court order
The court must rule on the petition within 61 days of filing. If no objection was filed or if the court overrules any objections, the court issues an Order directing the County Auditor to prepare the tax deed.

Step 5: Recording the deed
The tax deed, a sales disclosure form, and the original Tax Sale Certificate are presented to the County Auditor for approval and signing. The deed is then recorded with the County Recorder. Upon recording, you own the property.

What "Free and Clear" Actually Means in Indiana

Under IC 6-1.1-25-4.6, a properly issued Indiana tax deed vests in the grantee fee simple absolute, free and clear of all liens and encumbrances created before or after the tax sale, with the exception of:

  • Federal tax liens, the IRS retains a 120-day right of redemption if not properly notified before the sale

  • Easements and deed restrictions, recorded easements and covenants running with the land survive

  • Subsequent year property taxes, taxes accruing after your purchase are your responsibility

This is a stronger lien-clearing result than many states. Mortgages, judgment liens, and other private encumbrances are extinguished by a properly issued Indiana tax deed, provided all interested parties received proper notice during the redemption period.

Title Insurance After an Indiana Tax Deed

Most Indiana title underwriters will require either a quiet title action, a certification from Tax Title Services or a waiting period before issuing a policy on a tax deed property. The length of the waiting period and whether a quiet title is required varies by underwriter and by whether any party filed an objection during the petition process. Budget title clearing fees as a potential line item if you intend to sell to a financed buyer or refinance.

Key Deadlines

*The 3-month deadline is a hard stop. Under Indiana law, the Tax Sale Certificate holder's lien expires 3 months after the redemption period ends if no petition has been filed. Miss this window and your certificate is void, with no refund available. Order your title search now to avoid losing your investment!

What Liens Survive, and What Is Extinguished

Extinguished by a Properly Issued Indiana Tax Deed

  • Private mortgages and deeds of trust, if parties received proper notice

  • Judgment liens, if parties received proper notice

  • Mechanic's and materialman's liens, if parties received proper notice

  • Most municipal liens recorded before the sale

Liens That Require Careful Review

1. Federal / IRS Tax Liens
The IRS retains a 120-day right of redemption after a tax sale under 26 U.S.C. § 7425 if it was not properly notified before the sale. A recorded IRS lien against the prior owner must be identified before you bid. A Current Owner Search before the auction identifies any recorded federal tax liens.

2. Lienholders Not Given Proper Notice
Any mortgagee or lienholder who did not receive the required 90-day notice retains their rights after the tax deed is issued. This is the primary title risk in Indiana tax deed investing, and it's entirely preventable with a proper title search and diligent notice compliance.

3. Subsequent Year Property Taxes
Taxes accruing after the sale date are your responsibility if you want to protect your path to a deed. Pay subsequent taxes and file Form 137B each time to preserve your recovery right if the owner redeems.

4. HOA and COA Assessments
Assessments accruing after the tax deed is recorded become your obligation. Identify HOA membership and any outstanding balances before bidding.

Indiana Tax Lien Pre-Auction Due Diligence Checklist

Run this list before bidding on any Indiana tax lien:

Order a Current Owner Search, identify all recorded mortgages, judgments, liens, IRS filings, HOA membership, and municipal liens before the auction; this is your notice list foundation

Check for federal / IRS tax liens against the property owner, a recorded federal lien triggers the 120-day IRS redemption risk after your tax deed is issued

Determine which sale track applies, Treasurer's sale (1-year redemption) vs. Commissioners' sale (120-day redemption); different timelines affect your carrying cost calculation

Assess the bid premium carefully, the penalty return is calculated on the minimum bid, not your total bid; overbidding above minimum generates no additional penalty yield on the premium amount

Register with SRI Services before the sale, one registration covers most Indiana counties; confirm the auction format (online vs. in-person) for your specific county

Plan to file Form 137B within 30 days, have your attorney and title search lined up before the auction so you can file promptly; this protects your cost recovery if the owner redeems

Calculate full carrying costs including title search, attorney fees for notice compliance and petition, Form 137B filings, subsequent taxes, and potential quiet title

Assess property condition and occupancy, you cannot possess the property during the redemption period; if occupied, factor in eviction timeline and cost as part of your post-deed plan

Top Indiana Counties for Tax Lien Investing

Indiana has 92 counties, all of which hold annual tax sales through SRI Services. Competition and property type vary considerably.

For first-time Indiana investors: Mid-sized counties outside the Indianapolis metro, Allen, St. Joseph, Tippecanoe, or Vanderburgh, offer a cleaner first experience with less institutional competition and more accessible price points. Marion County (Indianapolis) is active but competitive, and the notice requirements are just as strict regardless of county size.

How Blazer Title Search Supports Indiana Tax Lien Investors

Blazer Title Search was built specifically for real estate investors, including tax lien investors working in Indiana's notice-driven tax deed environment.

Before the Auction, Current Owner Search

The Current Owner Search (O&E Report) is the foundation of your Indiana tax lien investment from day one. It identifies all recorded encumbrances, mortgages, judgments, liens, IRS filings, HOA membership, and municipal liens, so you know exactly who must receive the required 90-day notice, what liens exist that could survive a defective notice process, and whether any federal tax liens create post-deed risk. Average turnaround: 2–4 business days, with rush service available.

For the Tax Deed Petition, Full Title Search

Your attorney needs a complete chain of title to prepare the notice list for the petition process and to support the court's review of your compliance. Our Full Title Search gives your attorney everything needed to identify all interested parties, document the chain of title, and build an airtight case for the court.

What Makes Blazer Different

We understand the specific title issues that matter in Indiana tax deed proceedings, IRS lien timing, completeness of the lienholder list for the 90-day notice, and the chain-of-title documentation your attorney needs to avoid a successful objection at the petition stage. Generic title search companies miss these nuances. We don't.

Order an Indiana Title Search

Indiana Tax Lien Statute Reference

Indiana's tax sale and tax deed process is governed by Title 6, Article 1.1 of the Indiana Code.

Key sections for investors:

  • IC 6-1.1-24, County tax sale process and eligibility

  • IC 6-1.1-24-6.1, Commissioners' Certificate Sale

  • IC 6-1.1-25-2, Redemption amount and penalty structure

  • IC 6-1.1-25-4, Redemption period (1 year for Treasurer's sale; 120 days for Commissioners' sale)

  • IC 6-1.1-25-4.5, Required notice by certificate holder to interested parties

  • IC 6-1.1-25-4.6, Tax deed vests fee simple; lien extinguishment

  • IC 6-1.1-25-14, Petition for tax deed; court process

  • IC 6-1.1-25-16, Effect of tax deed

View Indiana Code Title 6, Article 1.1 →

Ready to Bid at an Indiana Tax Lien Sale?

Don't bid blind. A Blazer Title Search Current Owner Search gives you the full lien picture on any Indiana property before auction day, so you know who must receive the 90-day notice, whether any IRS liens create post-deed risk, and whether the penalty yield or the ownership play makes the deal worth taking.

The information on this page is provided for educational purposes only and does not constitute legal or financial advice. Tax sale laws vary by state and county and are subject to change. Always verify current statutes and consult a licensed real estate attorney in your state before making investment decisions. Blazer Title Search is a title search company and does not provide legal or investment advice.