6301 Diagonal Hwy, Boulder, CO 80301 Property Records

Boulder County property record for 6301 Diagonal Hwy, Boulder, CO 80301 · Last verified June 2026

Property Summary

Property TypeGeneral Industrial
Details351,415 sqft · built 1966
Lot Size119 acres (5,222,228 sqft)
OwnerCompany Name on File
Tax Bill$1,105,935 (2025)
Flood ZoneZone X (minimal risk)
APN1317-35-0-00-026

Property Details

APN / Parcel Number

Primary APN1317-35-0-00-026
Alternative APNs
  • R0052350
  • 0052350

Interior

Stories1 Story
Building Area351,415 sqft Gross Area
1st Floor Area351,415 sqft

Exterior

Year BuiltBuilt 1966
Effective Year BuiltEffective 1970
Construction TypeManufactured
Lot Area5,222,228 sqft
Total Buildings3 Buildings

Utilities, Heating & Cooling

Cooling SystemFan Cooling
Heating SystemSteam

Location & Zoning

Account NumberR0052350
Street Address6301 DIAGONAL HWY
CityBOULDER
StateCO
Zip80301
Property CategoryIndustrial
Property TypeIndustrial > General Industrial
Legal DescriptionSE1/4 LESS RR & LESS PT TO HWY & LESS 4.730 ACS M/L PER 1922430 35-2N-70 TOTAL 120.06 ACS M/L
Legal Range70
Legal Township2N
Legal Section35
Legal SubdivisionTR, NBR 193, 199 - COMMERCIAL
Legal Block2
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2028
Census Tract12701

Owner

Source: Boulder County records · APN 1317-35-0-00-026

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

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

Owner of RecordCompany Name on File
Mailing Address1 VANDERBILT AVE, 15, NEW YORK, NY 10017-3974
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleNov 25, 1957
Deed SaleNov 25, 1957
Deed Document Number1957602195
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictSt. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2026$5,119,529 (-54.23%) Land $4,210,392 Building $909,137$19,693,000 (-52.46%) Land $16,196,320 Building $3,496,680
2025$1,105,935.00 (+0.17%)$11,185,412 (-3.18%) Land $2,109,649 Building $9,075,763$41,427,460 (+0.04%) Land $7,813,517 Building $33,613,943
2023$1,104,102.00 (+117.72%)$11,552,449 (+128.21%) Land $2,174,159 Building $9,378,290$41,409,143 (+137.13%) Land $7,795,200 Building $33,613,943
2022$507,122.00$5,062,162 Land $3,587,222 Building $1,474,940$17,462,300 Land $12,376,300 Building $5,086,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskModerate
above 58% of the US · above 43% of Colorado
Wildfire LikelihoodAbout 1 in 617 per year
ExposureDirect
burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Diagonal Hwy

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