2840 20th St, Boulder, CO 80304 Property Records

Boulder County property record for 2840 20th St, Boulder, CO 80304

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.5 ba · 1,577 sqft · built 1958
Lot Size0.195 acres (8,508 sqft)
Owner2 Individual Names on File
Last Sale$1,016,000 (Oct 2024)
Tax Bill$6,978 (2025)
Flood ZoneZone X (minimal risk)
APN1463-30-1-12-003

Property Details

APN / Parcel Number

Primary APN1463-30-1-12-003
Alternative APNs
  • R0001628
  • 0001628

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,577 sqft Living Area
1st Floor Area1,577 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1991
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area8,508 sqft (0.195 acres)
Garage TypeDetached
Garage Area352 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area78 sqft

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemHot Water

Location & Zoning

Account NumberR0001628
Street Address2840 20TH ST
CityBOULDER
StateCO
Zip80304-2704
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 4 BLK 3 EDGEWOOD
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionEDGEWOOD - BO
Legal Block3
Legal Lot Number4
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2006
Census Tract12107

Owner

Source: Boulder County records · APN 1463-30-1-12-003

Assessment roll updated June 15, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address2840 20TH ST, BOULDER, CO 80304-2704
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 23, 2024 · Amount on Record
Deed SaleOct 23, 2024 · Amount on Record
Prior SaleSep 17, 1999 · Amount on Record
Deed Document Number20244064739
Prior Transfer DateOct 30, 1998
Prior Transfer Doc0001970520
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2026$78,704 (+8.8%) Land $65,124 Building $13,580$1,157,400 (-) Land $957,700 Building $199,700
2025$6,978.00 (+22.46%)$72,337 (+5.14%) Land $59,856 Building $12,481$1,157,400 (+12.71%) Land $957,700 Building $199,700
2023$5,698.00 (+16.91%)$68,802 (+33.13%) Land $61,922 Building $6,880$1,026,900 (+38.1%) Land $924,210 Building $102,690
2022$4,874.00$51,680 Land $46,512 Building $5,168$743,600 Land $669,240 Building $74,360

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 31 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies31 in force
Nearby Flood Claims5 (2013)
Claims Outside the SFHA2 of 5
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Ayva
Fixed Wireless
2,500 / 2,500
Lumen Technologies
Fiber
2,000 / 1,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
Live Wire Networks
Fixed Wireless
250 / 100
T-Mobile USA
Fixed Wireless
100 / 20

May also be available: AT&T.

Based on FCC filings for 640 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF BOULDER
serves 166,080 people
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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