80420 Property Tax Rate
Alma, Colorado · Part of Park County
Effective Tax Rate
0.36%
10% above state avgMedian Annual Tax
$2,070
$173/mo escrow
Estimate Your Tax
Annual Tax
$2,070
Monthly
$173
Eff. Rate
0.36%
Buyer decision brief
What ZIP 80420 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$173/mo
Based on median annual tax paid
State context
0.05 percentage points below the Colorado average
Colorado average: 0.42%
Data confidence
Use cautionThe Census margin of error is $867, about 42% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Park County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Data confidence ledger
Can you trust ZIP 80420 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
High margin of error
$867 tax MOE, 42% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County context only
Park County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 80420
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $572,500, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 0.36%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on Colorado and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $173 per month before insurance, HOA dues, or special assessments.
Assessor verification
Park County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 80420 Compares
Median Annual Property Tax
ZIP 80420
0.36%
Effective rate
Colorado Avg
0.42%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Colorado
Lower than 65% of ZIP codes in Colorado(35th percentile, 454 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 80420
Property owners in ZIP code 80420 (Alma, Colorado) pay a median of $2,070/year in property taxes on homes valued at $572,500. This translates to an effective tax rate of 0.36%, which is 13% below the Colorado state average of 0.42%.
The monthly property tax burden for a median-valued home in 80420 is approximately $173, which factors into escrow payments on mortgages. This ZIP code is located within Park County.
Compared to similar ZIP codes in Colorado, 80420 has higher property taxes. ZIP codes with similar effective rates include 81120 (0.36%) and 80903 (0.36%).
In Alma, property taxes represent approximately 2.5% of the median household income of $84,093, providing context for the relative tax burden on homeowners in this area.
If you're considering purchasing a home in 80420, keep in mind that property taxes are based on the assessed value assigned by the local assessor, which may differ from the purchase price. In some states, properties are reassessed at or near the sale price upon transfer of ownership. For the most current tax information for a specific property, consult Park County's tax assessor directly.
Frequently Asked Questions
What is the property tax rate in ZIP code 80420?
How much are property taxes in Alma, CO (80420)?
How does ZIP 80420 compare to the Colorado average?
What is the median home value in ZIP 80420?
What county is ZIP code 80420 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$867. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 80420 is part of Park County, Colorado. View the full county profile for broader context and more data.
View Park County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 80420
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
80820
Guffey, CO
0.08 percentage points lower than ZIP 80420.
Rate
0.28%
Tax
$1,103
Quality
82
80827
Lake George, CO
0.06 percentage points lower than ZIP 80420.
Rate
0.30%
Tax
$1,332
Quality
77
80449
Hartsel, CO
0.06 percentage points lower than ZIP 80420.
Rate
0.30%
Tax
$1,240
Quality
82
80432
Como, CO
0.04 percentage points lower than ZIP 80420.
Rate
0.32%
Tax
$1,091
Quality
71
80421
Bailey, CO
0.02 percentage points lower than ZIP 80420.
Rate
0.34%
Tax
$1,889
Quality
82
80440
Fairplay, CO
0.02 percentage points lower than ZIP 80420.
Rate
0.34%
Tax
$1,540
Quality
82
80456
Jefferson, CO
0.01 percentage points lower than ZIP 80420.
Rate
0.35%
Tax
$1,746
Quality
77
81656
Woody Creek, CO
0.20 percentage points lower than ZIP 80420.
Rate
0.16%
Tax
$3,183
Quality
62
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.