1800 Alpine Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1800 Alpine Ave, Boulder, CO 80304

Property Summary

Property TypeMulti-Family Dwellings
Details8 bd · 4 ba · 2,784 sqft · built 1958
Lot Size0.246 acres (10,698 sqft)
OwnerCompany Name on Record
Last Sale$350,000 (Feb 1999)
Tax Bill$11,515 (2025)
Flood ZoneZone X (minimal risk)
APN1463-30-2-26-083

Property Details

APN / Parcel Number

Primary APN1463-30-2-26-083
Alternative APNs
  • R0000648
  • 0000648

Interior

Bedrooms8 Beds
Full Baths4 Baths
Total Rooms12 Rooms
Units8 Units
Stories2 Stories
Building Area2,784 sqft Living Area
1st Floor Area1,392 sqft
Upper Floors Area1,392 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1970
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area10,698 sqft (0.246 acres)
Deck Area156 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0000648
Street Address1800 ALPINE AVE
CityBOULDER
StateCO
Zip80304-3678
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionW 79.62 FT LOT 31 BLK 1 SUNSET HILL
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionSUNSET HILL - BO
Legal Block1
Legal Lot Number31
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1012
Census Tract12106

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 RecordCompany Name on Record
Mailing Address3905 PINON DR, BOULDER, CO 80303-3540
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 18, 1999 · Amount on Record
Deed SaleFeb 18, 1999 · Amount on Record
Prior SaleJul 8, 1997 · Amount on Record
Deed Document Number19991906955
Prior Transfer DateFeb 16, 1999
Prior Transfer Doc0001906955
Record UpdatedSep 20, 2026

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$127,718 (+8.8%) Land $71,332 Building $56,386$1,878,200 (-) Land $1,049,000 Building $829,200
2025$11,515.00 (+13.28%)$117,388 (-0.45%) Land $65,563 Building $51,825$1,878,200 (+6.72%) Land $1,049,000 Building $829,200
2023$10,165.00 (+7.5%)$117,920 (+19.59%) Land $53,600 Building $64,320$1,760,000 (+21.38%) Land $800,000 Building $960,000
2022$9,456.00$98,600 Land $49,225 Building $49,375$1,450,000 Land $723,900 Building $726,100

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 27 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies102 units insured
incl. 75 condo units
Nearby Flood Claims4 (2013–2023)
Most Recent ClaimMar 2023 · other causes
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 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 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.01% 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 544 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
CenturyLink
Fiber
2,000 / 1,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
LiveWireNet
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

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