3405 Flagstaff Rd, Boulder, CO 80302 Property Records

Boulder County property record for 3405 Flagstaff Rd, Boulder, CO 80302

Property Summary

Property TypeExempt (Full or Partial)
Lot Size220 acres (9,618,281 sqft)
OwnerCompany Name on Record
Flood ZoneZone X (minimal risk)
APN1579-00-0-00-005

Property Details

APN / Parcel Number

Primary APN1579-00-0-00-005
Alternative APN
  • R0608373

Exterior

Lot Area9,618,281 sqft

Location & Zoning

Account NumberR0608373
Street Address3405 FLAGSTAFF RD
CityBOULDER
StateCO
Zip80302
Property CategoryOther
Property TypeOther > Exempt (Full or Partial)
Legal DescriptionPT E2 12-1S-71 ANNEXED INTO CITY OF BOULDER & NE4 NE4 13-1S-71 ANNEXED INTO CITY OF BOULDER LESS 2 AC PARCEL
Legal Range71
Legal Township1S
Legal Section12
Legal SubdivisionTR, NBR 910 WALKER RANCH AREA
Legal Block3
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3015
Census Tract12505

Owner

Source: Boulder County records, as of June 15, 2026

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

Owner of RecordCompany Name on Record
Mailing AddressPO BOX 791, BOULDER, CO 80306-0791
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$2,558,186 (-3.7%) Land $2,558,186$9,839,178 (-) Land $9,839,178
2025Additional exemption filed$2,656,578 (-3.23%) Land $2,656,578$9,839,178 (-) Land $9,839,178
2023Additional exemption filed$2,745,131 Land $2,745,131$9,839,178 Land $9,839,178

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies7 in force
Nearby Flood Claims6 (1980–2013)
Claims Outside the SFHA5 of 6
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 4 claims

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskVery High
above 93% of the US · above 97.1% of Colorado
Wildfire Likelihood1% annual chance
ExposureDirect
burnable vegetation

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Nearby Properties on Flagstaff Rd

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