3284 Sentinel Dr, Boulder, CO 80301 Property Records

Boulder County property record for 3284 Sentinel Dr, Boulder, CO 80301

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.25 ba · 1,428 sqft · built 1991
Lot Size0.03 acres (1,301 sqft)
OwnerIndividual Name on Record
Last Sale$590,000 (Jun 2026)
Tax Bill$4,409 (2025)
Deeds & MortgagesJun 2026 Sale & Mortgage
Feb 2021 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN1463-21-3-05-012

Property Details

APN / Parcel Number

Primary APN1463-21-3-05-012
Alternative APNs
  • R0090643
  • 0090643

Interior

Bedrooms3 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms6 Rooms
Building Area1,428 sqft Living Area
Gross Area2,074 sqft
1st Floor Area646 sqft
Upper Floors Area782 sqft
Basement Area646 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Architectural StyleTownhouse
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area1,301 sqft (0.03 acres)
Garage TypeCarport
Garage Area285 sqft
CarportCarport
Carport Area285 sqft
Parking Spaces1 Parking Space
Patio Area120 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0090643
Street Address3284 SENTINEL DR
CityBOULDER
StateCO
Zip80301-5498
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 12 BLK 3 CENTER GREEN HEIGHTS REPLAT
Legal Range70
Legal Township1N
Legal Section21
Legal SubdivisionCENTER GREEN HEIGHTS REPLAT - BO
Legal Block3
Legal Lot Number12
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2008
Census Tract12207

Owner

Source: Boulder County records, as of June 23, 2026

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

Owner of RecordIndividual Name on Record
Mailing Address3284 SENTINEL DR, BOULDER, CO 80301-5498
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Jun 11, 2026Warranty Deed, Transfer · Balloon Mortgage
ENTRUST FEDERAL CREDIT UNION
Feb 18, 2021Deed of Trust, Mortgage · Conventional Mortgage
ELEVATIONS CU
Feb 22, 2021Deed of Trust, Mortgage · Conventional Mortgage
ELEVATIONS CU
Jul 3, 2017Warranty Deed, Transfer · Conventional Mortgage
ELEVATIONS CU

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 11, 2026 · Amount on Record
Deed SaleJun 11, 2026 · Amount on Record
Prior SaleJul 3, 2017 · Amount on Record
Deed Document Number20264135778
Prior Transfer DateDec 8, 2004
Prior Transfer Doc0002650807
Record UpdatedSep 20, 2026

June 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateJun 11, 2026
Property Address3284 SENTINEL DR, BOULDER, CO 80301-5498
Document Number0004135778
Instrument DateJun 10, 2026
Instrument20264135778
Transaction TypeTransfer
Record UpdatedJun 23, 2026
Title CompanyLAND TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$5,959.00
Amount AccuracyCalculated from Transfer Tax
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3284 SENTINEL DR, BOULDER, CO 80301-5498

Mortgage

Document Number0004135779,
DateJun 11, 2026
Instrument20264135779
Lender
NameENTRUST FEDERAL CREDIT UNION
Agreement
TypeBalloon Mortgage
AmountAmount Recorded
Term180 Months
DueJul 1, 2041
Interest
Rate TypeBalloon
Rate5.64%
Initial TypeBalloon
Max Rate-1%

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3284 SENTINEL DR, BOULDER, CO 80301-5498
Transaction TypeMortgage
Record UpdatedMar 4, 2021
Title CompanyWFT NATIONAL TITLE, WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003860389
DateFeb 18, 2021
Instrument3860389
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2051

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3284 SENTINEL DR, BOULDER, CO 80301-5498
Transaction TypeMortgage
Record UpdatedMar 3, 2021
Title CompanyWFT NATIONAL TITLE, WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003860649
DateFeb 22, 2021
Instrument3860649
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2051

July 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateJul 3, 2017
Property Address3284 SENTINEL DR, BOULDER, CO 80301-5498
Document Number0003601353
Instrument DateJun 29, 2017
Instrument3601353
Transaction TypeTransfer
Record UpdatedJul 11, 2017
Title CompanyLAND TITLE GUARANTEE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$55.00
Amount AccuracyConfirmed
Additional
  • Notice of Trustee Sale
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3284 SENTINEL DR BOULDER CO 803015498, BOULDER, CO 80301-5498

Mortgage

Document Number3601354
DateJul 3, 2017
Instrument3601354
Lender
NameELEVATIONS CU
AddressBOULDER, CO 80701
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJul 2, 2047

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$49,395 (+8.8%) Land $18,428 Building $30,967$726,400 (-) Land $271,000 Building $455,400
2025$4,409.00 (+10.34%)$45,401 (-7.53%) Land $16,938 Building $28,463$726,400 (-0.87%) Land $271,000 Building $455,400
2023$3,996.00 (+6.73%)$49,097 (+24.24%) Land $16,723 Building $32,374$732,800 (+28.88%) Land $249,600 Building $483,200
2022$3,744.00$39,518 Land $13,879 Building $25,639$568,600 Land $199,700 Building $368,900

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.

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
Flood Insurance CostPremium on Record
median of 20 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies20 in force

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 RiskLow
lower than 98% of the US · lower than 99.2% of Colorado
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

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

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 744 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
LiveWireNet
Fixed Wireless
250 / 100
CenturyLink
DSL · Fiber in parts of the area
140 / 20
T-Mobile
Fixed Wireless
100 / 20

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