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3879 Northbrook Dr, Boulder, CO 80304 Property Records

Boulder County property record for 3879 Northbrook Dr, Boulder, CO 80304

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.25 ba · 1,372 sqft · built 1984
Lot Size0.082 acres (3,564 sqft)
OwnerIndividual Name on Record
Last Sale$515,000 (Apr 2013)
Tax Bill$6,125 (2025)
Deeds & MortgagesMay 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN1463-17-3-16-023

Property Details

APN / Parcel Number

Primary APN1463-17-3-16-023
Alternative APNs
  • R0081993
  • 0081993

Interior

Bedrooms3 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms6 Rooms
Stories2 Stories
Building Area1,372 sqft Living Area
Gross Area2,424 sqft
1st Floor Area916 sqft
Upper Floors Area456 sqft
Basement Area652 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 2000
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area3,564 sqft (0.082 acres)
Garage TypeAttached
Garage Area400 sqft
Parking Spaces2 Parking Spaces
Deck Area224 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0081993
Street Address3879 NORTHBROOK DR
CityBOULDER
StateCO
Zip80304-1404
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 6 BLK I WINDING TRAIL VILLAGE REPLAT
Legal Range70
Legal Township1N
Legal Section20
Legal SubdivisionWINDING TRAIL VILLAGE REPLT - BO
Legal BlockI
Legal Lot Number6
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3006
Census Tract12103

Owner

Source: Boulder County records, as of September 18, 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 Address3879 NORTHBROOK DR, BOULDER, CO 80304-1404
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 5, 2013 · Amount on Record
Deed SaleApr 5, 2013 · Amount on Record
Prior SaleAug 1, 2007 · Amount on Record
Deed Document Number20133302867
Prior Transfer DateFeb 11, 2009
Prior Transfer Doc0002980368
Record UpdatedOct 29, 2026

May 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3879 NORTHBROOK DR, BOULDER, CO 80304-1404
Transaction TypeMortgage
Record UpdatedMay 19, 2021
Title CompanyCANTON TITLE, CANYON TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003883110
DateMay 5, 2021
Instrument3883110
Lender
NameUS BANK NA
TypeBank
AddressOWENSBORO, KY 42301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2051

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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$65,137 (+1.39%) Land $19,366 Building $45,771$1,027,900 (-) Land $354,800 Building $673,100
2025$6,125.00 (+11.22%)$64,244 (-4.77%) Land $22,175 Building $42,069$1,027,900 (+2.09%) Land $354,800 Building $673,100
2023$5,507.00 (+14.87%)$67,462 (+30.66%) Land $25,748 Building $41,714$1,006,900 (+35.54%) Land $384,300 Building $622,600
2022$4,794.00$51,632 Land $22,108 Building $29,524$742,900 Land $318,100 Building $424,800

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
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 28 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies58 units insured
incl. 30 condo units
Nearby Flood Claims18 (1995–2022)
Claims Outside the SFHA9 of 18
Most Recent ClaimOct 2022 · rainfall accumulation
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 15 claims

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 66% of the US · lower than 83% 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 341 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
LiveWireNet
Fixed Wireless		250 / 100
CenturyLink
DSL · Fiber in parts of the area		140 / 20

May also be available: T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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