Search every state and county that holds tax lien auctions. Understand the rules. Stay compliant. Invest with AI-backed confidence.
38
Lien States
3,100+
Counties Tracked
4–36%
Interest Rates
24/7
AI Research Engine
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The Problem
Tax lien investing is buried in complexity
Every state plays by different rules. Every county has its own auction calendar, platform, and registration process. Most investors miss the best opportunities simply because the information doesn't exist in one place.
Until now.
Rules change county to county
Interest rates, redemption periods, bidding formats, and registration deadlines vary wildly — even within the same state.
Auction dates are scattered and hard to find
Counties post auctions on obscure government pages with little notice. Registration deadlines pass before most investors even hear about them.
Compliance mistakes are costly
Buy on the wrong property, miss a subsequent tax payment, or violate a restriction — and you can lose your entire investment.
Research is a full-time job
Serious investors spend dozens of hours per auction cycle just gathering basic information. Tax Lien Gurus collapses that to minutes.
How It Works
From research to ready to bid in minutes
1
Search Any State or County
Browse our database of 3,100+ counties across all 38 lien states. Filter by rate, format, date, or mode.
2
Get Your AI Briefing
One click gets you a complete investor briefing — rules, registration, rates, redemption, and compliance for any auction.
3
Run Compliance Checks
Verify every rule before you bid. Our compliance center flags restrictions, deadlines, and requirements specific to your target county.
4
Track Your Portfolio
Monitor your certificates, redemption timelines, and returns — all in one dashboard with AI-powered alerts.
$Billions in liensAuctioned annually across the US
24%Highest state rateIowa — guaranteed by statute
6 moShortest redemptionBaltimore City, Maryland
38+Lien states coveredEvery county, every auction
Platform Features
Everything you need to invest smarter
Built for serious lien investors — from first-time certificate buyers to multi-state portfolio managers running six-figure portfolios.
National Auction Search
Search every county across all 38 lien states. Filter by interest rate, auction format, mode (online/in-person/OTC), and redemption period. Never miss an auction again.
Explore auctions
AI Research Engine
Ask anything. Get instant, accurate answers on state rules, auction formats, due diligence steps, compliance requirements, foreclosure timelines, and tax implications.
Ask the AI
Compliance Center
State-by-state rules, investor restrictions, registration requirements, and red flags — organized so you can verify compliance in minutes before you bid on anything.
Check compliance
State Map View
Interactive US map showing every lien state, deed state, and hybrid state with max interest rates, formats, and redemption periods — color-coded and instantly clickable.
View the map
ROI Calculator
Model every deal before you bid. Input face amount, interest rate, premium paid, redemption timeline, and your tax bracket — get gross return, after-tax yield, and effective annual rate instantly.
Calculate returns
Portfolio Tracker
Track all your certificates in one dashboard. Monitor redemption deadlines, expected returns, subsequent tax obligations, and watchlist items — with AI-powered alerts before key dates.
Track portfolio
Early Access Feedback
What early testers are saying
★★★★★
"I've been investing in Illinois liens for 6 years and I've never had a tool that laid out the rules and registration requirements this clearly. The AI guide alone is worth it."
DM
Darnell M.
IL & AZ investor · 4 years
★★★★★
"I was spending 10+ hours before every Cook County auction just gathering information from government websites. Tax Lien Gurus cuts that down to maybe 20 minutes. Unreal."
TW
Tanya W.
Chicago-area investor · 2 years
★★★★★
"I started with Florida certificates and wanted to expand to Arizona and Iowa. The compliance center and AI briefings made me feel like I had a local attorney in every state."
RB
Raquel B.
FL, AZ, IA investor · 3 states
Coverage
Every lien state. Every county.
From Iowa's 24% rotational auctions to Florida's annual June certificate sales to Arizona's OTC market — we cover the rules, rates, and requirements for every jurisdiction.
+ 29 additional lien states covered, including all hybrid and redeemable deed states
Early Access
Start investing with clarity
Join the waitlist for early access. Be the first to know when Tax Lien Gurus launches — and lock in founding member pricing.
7-day free trial · Card required · Cancel before day 8 and pay nothing
✓ You're on the list! We'll be in touch with early access details.
✓ No spam, ever
✓ Founding member pricing
✓ Early access before public launch
✓ Cancel anytime
FAQ
Common questions
Enter your email and we'll send a password reset link.
7-Day Free Trial
Try Pro free for 7 days
Unlimited AI queries · Full compliance center · Auction alerts · Portfolio tracking
Monthly
$29
after trial
BEST VALUE
Annual
$249
after trial · save 29%
7 days free · Card required · Cancel before day 8 and pay nothing · Secure via Stripe
Add Tax Lien Certificate
Dashboard
·
Overview & upcoming auctions
AI-Powered Research
Find, Analyze & Win Tax Lien Auctions Nationwide
Search every county across 38 lien states. Understand the rules, track your portfolio, and invest with confidence backed by real-time AI guidance.
Lien States Tracked
38
+2 hybrid states
Active Auctions
142 ↑
Next 90 days
Avg Max Rate
14.2%
Weighted by state volume
My Portfolio
$24,750
+$3,200 YTD
Upcoming AuctionsView all →
IL
Cook County Tax Lien Sale
Sep 23–27, 2026 · Online · Bid-down interest
18%
Soon
AZ
Maricopa County Tax Sale
Feb 10–14, 2027 · Online · SRI Platform
16%
Online
FL
Miami-Dade Tax Certificate Sale
Jun 1–30, 2026 · Online · RealTaxDeed
18%
Active
NJ
Passaic County Tax Sale
Jul 15, 2026 · In-person · Premium bid
18%
Soon
IA
Iowa Statewide Annual Tax Sale
Jun 2, 2027 · Online · Rotational format
24%
Soon
IN
Marion County Tax Sale
Aug 22, 2026 · Online · SRI Platform
15%
Soon
Quick Actions
Activity
Added Cook County IL to watchlist
2 hours ago
NJ compliance rules reviewed
Yesterday
Maricopa AZ registration opens in 60 days
3 days ago
Tax Lien State Map
38 tax lien states, 12 deed states, and 2 hybrid states. Click any state card for a full AI-powered investor briefing.
Tax Lien State (38)
Tax Deed State (12)
Hybrid State (2)
All Lien States at a Glance
Click any card to get a full AI investor guide for that state.
Search Auctions
Browse 142 upcoming tax lien auctions across 38 states. Filter by state, format, rate, and more.
0 auctions found
Sort:
Compliance Center
Investor rules, restrictions, and legal requirements — state by state. Always verify with the county treasurer before bidding.
Illinois
Florida
Arizona
New Jersey
Iowa
Maryland
Indiana
South Carolina
Alabama
Colorado
Ohio
Nebraska
ROI Calculator
Estimate your returns before you bid. Factor in the interest rate, premium paid, redemption timeline, and tax implications.
Total Interest Earned
$0
Gross interest
After-Tax Return
$0
Net of income tax
Effective Annual Yield
0%
On total capital deployed
Understanding Your Results
My Portfolio
Track your tax lien certificates, redemption timelines, and projected returns.
Auctions you are monitoring. Click any row for a full AI briefing.
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Guru Tax Lien Guide
Ask anything — state rules, auction strategy, due diligence, compliance, foreclosure, or tax implications.
Guru Guide
Welcome. I'm your dedicated tax lien research assistant.
I can help you with: • State-by-state rules — every lien state, every auction format • Compliance & registration — what you need before you bid • Due diligence — title, environmental, bankruptcy, HOA • Portfolio strategy — OTC buying, subsequent taxes, scaling • Tax implications — income, capital gains, IRA investing • Foreclosure — timelines, costs, your legal rights
What would you like to research?
Researching tax lien rules…
Quick Prompts
State Quick-Look
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Academy Modules Complete
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Auctions on Watchlist
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Tax Lien Investor Academy
Nine modules from fundamentals to advanced strategy. Click any module to read the lesson and get an AI deep dive.
Your Learning Path
Master every aspect of tax lien investing — from how certificates work to running a scaled portfolio.
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Modules Complete
Glossary
Key terms every investor must know. Click any term for a full AI explanation.