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3380 Sentinel Dr, Boulder, CO 80301 Property Records

Boulder County property record for 3380 Sentinel Dr, Boulder, CO 80301

Property Summary

Property TypeSingle Family Home
Details3 bd · 3.25 ba · 1,559 sqft · built 1991
Lot Size0.08 acres (3,493 sqft)
OwnerIndividual Name on Record
Last Sale$872,000 (Dec 2022)
Tax Bill$5,293 (2025)
Deeds & MortgagesApr 2024 Transfer
Dec 2022 Sale
+ 2 more
Flood ZoneZone X (minimal risk)
APN1463-21-3-07-042

Property Details

APN / Parcel Number

Primary APN1463-21-3-07-042
Alternative APNs
  • R0087744
  • 0087744

Interior

Bedrooms3 Beds
Full Baths3.25 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories2 Stories
Building Area1,559 sqft Living Area
Gross Area2,755 sqft
1st Floor Area798 sqft
Upper Floors Area761 sqft
Basement Area798 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1993
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area3,493 sqft (0.08 acres)
Garage TypeAttached
Garage Area398 sqft
Parking Spaces1 Parking Space
Deck Area143 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0087744
Street Address3380 SENTINEL DR
CityBOULDER
StateCO
Zip80301-5466
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 42 BLK 1 NORTHCREEK SUB
Legal Range70
Legal Township1N
Legal Section21
Legal SubdivisionNORTHCREEK SUBDIVISION - BO
Legal Block1
Legal Lot Number42
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2008
Census Tract12207

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 RecordIndividual Name on Record
Mailing Address3380 SENTINEL DR, BOULDER, CO 80301-5466
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Woman

Deeds, Mortgages & Sale History

DateDocument
Apr 16, 2024Quit Claim Deed, Transfer
Quitclaim
Dec 12, 2022Warranty Deed, Transfer
HERITAGE TITLE COMPANY
Feb 23, 2021Deed of Trust, Mortgage · Conventional Mortgage
DSW MORTGAGE INC
Jul 1, 2019Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 12, 2022 · Amount on Record
Deed SaleDec 12, 2022 · Amount on Record
Prior SaleJul 22, 1991 · Amount on Record
Deed Document Number20223991758
Last Transfer DateMar 18, 2024
Transfer Doc0004043859
Record UpdatedSep 20, 2026

April 2024: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateApr 16, 2024
Property Address3380 SENTINEL DR, BOULDER, CO 80301-5466
Document Number0004043859
Instrument DateMar 18, 2024
Instrument4043859
Transaction TypeTransfer
Record UpdatedMay 20, 2024

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address1531 LODGE LN, BOULDER, CO 80303-8110

Transferred To (Grantee/Buyer)

NameVerified Name
Address3380 SENTINEL DR, BOULDER, CO 80301-5466

December 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateDec 12, 2022
Property Address3380 SENTINEL DR, BOULDER, CO 80301-5466
Document Number0003991758
Instrument DateDec 9, 2022
Instrument3991758
Transaction TypeTransfer
Record UpdatedDec 20, 2022
Title CompanyHERITAGE TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$87.20
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3380 SENTINEL DR, BOULDER, CO 80301-5466

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3380 SENTINEL DR, BOULDER, CO 80301-5466
Transaction TypeMortgage
Record UpdatedMar 4, 2021
Title CompanyASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003861688
DateFeb 23, 2021
Instrument3861688
Lender
NameDSW MORTGAGE INC
TypeMortgage Company
AddressBOULDER, CO 80302
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2051

July 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJul 1, 2019
Property Address3380 SENTINEL DR, BOULDER, CO 80301-5466
Document Number0003721541
Instrument DateJul 1, 2019
Instrument3721541
Transaction TypeTransfer
Record UpdatedJul 9, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3380 SENTINEL DR BOULDER CO 803015466, BOULDER, CO 80301-5466

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$60,404 (+8.8%) Land $30,593 Building $29,811$888,300 (-) Land $449,900 Building $438,400
2025$5,293.00 (-6.38%)$55,519 (-19.72%) Land $28,119 Building $27,400$888,300 (-13.94%) Land $449,900 Building $438,400
2023$5,654.00 (+16.46%)$69,157 (+32.25%) Land $26,927 Building $42,230$1,032,200 (+37.19%) Land $401,900 Building $630,300
2022$4,855.00$52,291 Land $22,872 Building $29,419$752,400 Land $329,100 Building $423,300

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 67% of the US · lower than 84% of Colorado
Wildfire Likelihood0.03% annual chance
ExposureNone
beyond ember reach

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 108 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
Xfinity
Cable · Fiber in parts of the area		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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