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Compare / Arizona vs Colorado

Arizona vs Colorado Tax Lien Investing (2026)

Statutes verified Jul 2, 2026

Verdict

For a retail investor, Arizona edges it overall (6/10 vs 5.1/10). The biggest single difference is legal stability: Arizona scores 9, Colorado scores 4. Neither is "best" for everyone — match the state to your goal below.

Arizona6/10
System:
lien
Max rate:
16%/yr simple bid-down
Redemption:
3yr min 10yr max
Colorado5.1/10
System:
lien
Max rate:
Fed discount rate +9 pts, set each Sept 1 (14% for 2025); premium bids earn 0%
Redemption:
3yr from sale before treasurer's deed application

Head-to-head: 9 dimensions

Effective yieldArizona wins
Arizona5

16% ceiling but big-county CP rates bid to low single digits online

Colorado4

14% (2025) rate but premium bids earn nothing and are not refunded

Penalty structuretie
Arizona3

Simple interest at bid rate from March 1 (ARS 42-18153); no penalty floor

Colorado3

Simple interest only; rate reset yearly at discount rate +9 pts (39-12-103)

Redemption speedtie
Arizona2

3yr minimum hold before Superior Court foreclosure (ARS 42-18201)

Colorado2

3yrs from sale before treasurer's deed application

Auction accessArizona wins
Arizona9

County sales online via RealAuction (Pima 2026); near-statewide coverage

Colorado8

Most counties run online sales (RealAuction/GovEase); county-level auctions

Low competitionColorado wins
Arizona3

Heavily institutional online sales; funds dominate Maricopa/Pima

Colorado4

Online premium bidding is aggressive; premiums erode net yield

Low capital entrytie
Arizona9

CP liens start at back taxes; many certificates a few hundred dollars

Colorado9

Certificates sell at taxes+fees; small liens plentiful in rural counties

Process safetyArizona wins
Arizona5

Judicial foreclosure required after 3yrs; well-worn process but adds cost

Colorado4

HB24-1056 deed path now ends in public auction; holder may get cash, not land

Legal stabilityArizona wins
Arizona9

ARS 42-18101 to 42-18204 regime stable for decades; predictable case law

Colorado4

Post-Tyler HB24-1056 (eff. 7/2024) rewrote the treasurer's deed process

OTC availabilityArizona wins
Arizona9

State CP assignments sold OTC online Apr 1-Dec 15 (Pima via RealAuction)

Colorado8

County-held certificates assignable OTC from treasurers year-round

Choose Arizona if…

  • you want stronger legal stability — ARS 42-18101 to 42-18204 regime stable for decades; predictable case law

Choose Colorado if…

it doesn't clearly out-score Arizona on any single dimension — see the full Colorado guide.

Frequently asked

Is Arizona or Colorado better for tax lien investing?
Arizona scores higher overall (6/10 vs 5.1/10) on our nine-dimension rubric. But the right pick depends on your goal — Arizona leads on legal stability, Colorado on others.
Which state has the higher tax lien return, Arizona or Colorado?
Arizona: 16%/yr simple bid-down. Colorado: Fed discount rate +9 pts, set each Sept 1 (14% for 2025); premium bids earn 0%. On realistic effective yield after competition, Arizona scores higher (5 vs 4).
Which has the shorter redemption period?
Arizona allows 3yr min 10yr max; Colorado allows 3yr from sale before treasurer's deed application. Shorter redemption recycles your capital faster.
Which state has better auction access, Arizona or Colorado?
Arizona scores higher on auction access (9/10 vs 8/10) — County sales online via RealAuction (Pima 2026); near-statewide coverage
Go deeper
Full Arizona guideFull Colorado guideArizona research scoreColorado research scoreCompare more states (tool)All 50 states + DC (dataset)
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