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3258 Sentinel Dr, Boulder, CO 80301 Property Records

Boulder County property record for 3258 Sentinel Dr, Boulder, CO 80301 · Last verified June 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.25 ba · 1,534 sqft · built 1984
Lot Size0.026 acres (1,132 sqft)
Owner2 Individual Names on File
Last Sale$95,000 (Aug 1991)
Tax Bill$3,669 (2025)
Deeds & MortgagesDec 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN1463-21-3-05-021

Property Details

APN / Parcel Number

Primary APN1463-21-3-05-021
Alternative APNs
  • R0090652
  • 0090652

Interior

Bedrooms4 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms8 Rooms
Building Area1,534 sqft Living Area
Gross Area1,596 sqft
1st Floor Area581 sqft
Upper Floors Area451 sqft
Basement Area564 sqft
Finished Basement502 sqft
Unfinished Basement62 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 1990
Architectural StyleTownhouse
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area1,132 sqft (0.026 acres)
Garage TypeCarport
Garage Area285 sqft
CarportCarport
Carport Area285 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area65 sqft
Patio Area148 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0090652
Street Address3258 SENTINEL DR
CityBOULDER
StateCO
Zip80301-5448
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 21 BLK 3 CENTER GREEN HEIGHTS REPLAT
Legal Range70
Legal Township1N
Legal Section21
Legal SubdivisionCENTER GREEN HEIGHTS REPLAT - BO
Legal Block3
Legal Lot Number21
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2008
Census Tract12207

Owner

Source: Boulder County records · APN 1463-21-3-05-021

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 Record2 Individual Names on File
Mailing Address3258 SENTINEL DR, BOULDER, CO 80301-5448
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 28, 1991 · Amount on Record
Deed SaleAug 28, 1991 · Amount on Record
Prior SaleJul 05, 1989 · Amount on Record
Deed Document Number19911126475
Last Transfer DateAug 23, 2013
Transfer Doc0003338545
Record UpdatedSep 20, 2026

December 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3258 SENTINEL DR, BOULDER, CO 80301-5448
Document Number0003630949
Instrument DateDec 09, 2017
Transaction TypeMortgage
Record UpdatedJan 03, 2018

Transferred To (Grantee/Buyer)

NameVerified Name
Address3258 SENTINEL DR BOULDER CO 803015448, BOULDER, CO 80301-5448

Mortgage

Document Number0003630949
DateDec 14, 2017
Instrument3630949
Lender
NameELEVATIONS CU
AddressBOULDER, CO 80301
Agreement
TypeLine of Credit
AmountAmount Recorded
Term240 Months
DueDec 13, 2037
Interest
Rate TypeAdjustable Rate

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, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2026$41,874 (+8.8%) Land $17,190 Building $24,684$615,800 (-) Land $252,800 Building $363,000
2025$3,669.00 (+12.44%)$38,488 (-7.2%) Land $15,800 Building $22,688$615,800 (-0.52%) Land $252,800 Building $363,000
2023$3,263.00 (+4.65%)$41,473 (+23.52%) Land $15,598 Building $25,875$619,000 (+28.13%) Land $232,800 Building $386,200
2022$3,118.00$33,576 Land $12,941 Building $20,635$483,100 Land $186,200 Building $296,900

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 080130122072, 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 HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 20 individual NFIP policies nearby
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies20 in force

Wildfire

Wildfire RiskLow
above 2% of the US · above 1% of Colorado
Wildfire LikelihoodAbout 1 in 7,692 per year
ExposureDirect
burnable vegetation at the parcel

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 744 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
Lumen TechnologiesDSL140 / 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

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