3155 Arnett St, Boulder, CO 80304 Property Records

Boulder County property record for 3155 Arnett St, Boulder, CO 80304

Property Summary

Property TypeMulti-Family Dwellings
Details6 bd · 4 ba · 4,122 sqft · built 1969
Lot Size0.187 acres (8,132 sqft)
OwnerCompany Name on Record
Last Sale$170,000 (Apr 1988)
Tax Bill$9,260 (2025)
Flood ZoneZone X (minimal risk)
APN1463-20-3-07-003

Property Details

APN / Parcel Number

Primary APN1463-20-3-07-003
Alternative APNs
  • R0001351
  • 0001351

Interior

Bedrooms6 Beds
Full Baths4 Baths
Total Rooms12 Rooms
Units8 Units
Stories1 Story
Building Area4,122 sqft Living Area
1st Floor Area2,061 sqft
Basement Area2,061 sqft
Finished Basement2,061 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1969
Effective Year BuiltEffective 1969
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area8,132 sqft (0.187 acres)
Deck Area142 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHot Water

Location & Zoning

Account NumberR0001351
Street Address3155 ARNETT ST
CityBOULDER
StateCO
Zip80304-2922
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT 3 OSKARSON
Legal Range70
Legal Township1N
Legal Section20
Legal SubdivisionOSKARSON - BO
Legal Block1
Legal Lot Number3
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1009
Census Tract12107

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on Record
Mailing Address2525 ARAPAHOE AVE, E4, BOULDER, CO 80302-6746
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 7, 1988 · Amount on Record
Deed SaleApr 7, 1988 · Amount on Record
Prior SaleAug 3, 1977 · Amount on Record
Deed Document Number1988911869
Last Transfer DateJan 1, 2008
Transfer Doc0003138723
Record UpdatedOct 29, 2026

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$97,226 (+3.72%) Land $52,067 Building $45,159$1,499,800 (-) Land $835,700 Building $664,100
2025$9,260.00 (+4.87%)$93,737 (-8.52%) Land $52,231 Building $41,506$1,499,800 (-1.94%) Land $835,700 Building $664,100
2023$8,830.00 (+28.59%)$102,470 (+44.9%) Land $59,342 Building $43,128$1,529,400 (+47.06%) Land $885,700 Building $643,700
2022$6,867.00$70,720 Land $42,908 Building $27,812$1,040,000 Land $631,000 Building $409,000

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 10 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies20 units insured
incl. 10 condo units
Nearby Flood Claims1 (2021)
Claims Outside the SFHA1 of 1
Most Recent ClaimOct 2021 · other causes

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 RiskNot rated
no burnable land within 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 481 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
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: CenturyLink.

Nearby Properties on Arnett St

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