320 27th St, Boulder, CO 80305 Property Records

Boulder County property record for 320 27th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 792 sqft · built 1954
Lot Size0.147 acres (6,390 sqft)
OwnerIndividual Name on File
Last Sale$182,000 (Mar 2000)
Tax Bill$3,785 (2025)
Flood ZoneZone X (minimal risk)
APN1577-05-2-04-008

Property Details

APN / Parcel Number

Primary APN1577-05-2-04-008
Alternative APNs
  • R0004244
  • 0004244

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area792 sqft Living Area
1st Floor Area792 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1959
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,390 sqft (0.147 acres)

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0004244
Street Address320 27TH ST
CityBOULDER
StateCO
Zip80305-3302
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 8 BLK 3 HIGHLAND PARK
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionHIGHLAND PARK - BO
Legal Block3
Legal Lot Number8
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2013
Census Tract12507

Owner

Source: Boulder County records · APN 1577-05-2-04-008

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of RecordIndividual Name on File
Mailing Address320 27TH ST, BOULDER, CO 80305-3302
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 31, 2000 · Amount on Record
Deed SaleMar 31, 2000 · Amount on Record
Prior SaleMay 16, 1991 · Amount on Record
Deed Document Number20002033244
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2026$43,201 (+8.8%) Land $29,628 Building $13,573$635,300 (-) Land $435,700 Building $199,600
2025$3,785.00 (+2.41%)$39,706 (-13.19%) Land $27,231 Building $12,475$635,300 (-6.94%) Land $435,700 Building $199,600
2024$3,696.00 (+1.79%)
2023$3,631.00 (+9.04%)$45,741 (+27.55%) Land $32,033 Building $13,708$682,700 (+32.31%) Land $478,100 Building $204,600
2022$3,330.00$35,862 Land $24,262 Building $11,600$516,000 Land $349,100 Building $166,900

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies9 in force
Nearby Flood Claims1 (2013)
Claims Outside the SFHA1 of 1
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

Wildfire

Wildfire RiskLow
lower than 64% of the US · lower than 81% of Colorado
Wildfire Likelihood0.03% annual chance
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Ayva
Fixed Wireless
2,500 / 2,500
Lumen Technologies
Fiber
2,000 / 1,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
Live Wire Networks
Fixed Wireless
250 / 100
T-Mobile USA
Fixed Wireless
100 / 20

Based on FCC filings for 294 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF BOULDER
serves 166,080 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on 27th St

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