3101 28th St, Boulder, CO 80301 Property Records

Boulder County property record for 3101 28th St, Boulder, CO 80301 · Last verified June 2026

Property Summary

Property TypeCommercial
Details47,222 sqft · built 1968
Lot Size2.75 acres (120,039 sqft)
OwnerIndividual Name on File
Last Sale$2,000,000 (Jun 1985)
Tax Bill$301,050 (2025)
Flood ZoneZone X (moderate risk)
APN1463-20-3-00-035

Property Details

APN / Parcel Number

Primary APN1463-20-3-00-035
Alternative APNs
  • R0007054
  • 0007054

Interior

Stories2 Stories
Building Area47,222 sqft Gross Area

Exterior

Year BuiltBuilt 1968
Effective Year BuiltEffective 1995
Construction TypeConcrete Block
Lot Area120,039 sqft

Utilities, Heating & Cooling

Cooling SystemPackage A/C
Heating SystemHVAC

Location & Zoning

Account NumberR0007054
Street Address3101 28TH ST
CityBOULDER
StateCO
Zip80301-1315
Property CategoryCommercial
Property TypeCommercial > Retail
Legal DescriptionTR 592 & 592A LESS A-1 & LESS A-2 & 599-B 20-1N-70 PER REC 1360601 11/12/93 BCR SPLIT TO ID 8114/LOT LINE ADJ 11/93
Legal Range70
Legal Township1N
Legal Section20
Legal SubdivisionTR, 194-198 - COMMERCIAL
Legal Tract592
Legal Block1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1004
Census Tract12107

Owner

Source: Boulder County records · APN 1463-20-3-00-035

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 RecordIndividual Name on File
Mailing AddressPO BOX T, BOULDER, CO 80306-1966
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 04, 1985 · Amount on Record
Deed SaleJun 04, 1985 · Amount on Record
Prior SaleOct 30, 1984 · Amount on Record
Deed Document Number1985691933
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 DistrictBoulder Valley School District RE-2 (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$3,125,000 (-7.41%) Land $1,083,575 Building $2,041,425$12,500,000 (-) Land $4,334,300 Building $8,165,700
2025$301,050.00 (+16.56%)$3,375,000 (+12.53%) Land $1,170,261 Building $2,204,739$12,500,000 (+16.28%) Land $4,334,300 Building $8,165,700
2023$258,289.00 (+2.79%)$2,999,250 (+10.84%) Land $993,240 Building $2,006,010$10,750,000 (+15.21%) Land $3,560,000 Building $7,190,000
2022$251,289.00$2,705,990 Land $1,032,400 Building $1,673,590$9,331,000 Land $3,560,000 Building $5,771,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121071, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardModerate
500-Year FloodplainYes
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance CostPremium on Record
median of 10 individual NFIP policies nearby
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies20 units insured
10 under condo master policies
Nearby Flood Claims1 (2021)
Claims Outside the SFHA1 of 1
Most Recent ClaimOct 2021, other causes

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
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, availability as of December 31, 2025 · Published October 2026 · based on 481 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AyvaFixed Wireless (unlicensed)2,500 / 2,500
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
Live Wire NetworksFixed Wireless (licensed-by-rule)250 / 100
AT&TFixed Wireless100 / 20
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on 28th St

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