365 27th St, Boulder, CO 80305 Property Records

Boulder County property record for 365 27th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,032 sqft · built 1952
Lot Size0.145 acres (6,316 sqft)
OwnerIndividual Name on File
Last Sale$305,000 (Jan 2007)
Tax Bill$4,572 (2025)
Flood ZoneZone X (minimal risk)
APN1577-05-2-03-004

Property Details

APN / Parcel Number

Primary APN1577-05-2-03-004
Alternative APNs
  • R0005380
  • 0005380

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,032 sqft Living Area
1st Floor Area1,032 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1952
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,316 sqft (0.145 acres)
Garage TypeDetached
Garage Area400 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchPorch
Porch Area66 sqft
Deck Area120 sqft
Patio Area282 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0005380
Street Address365 27TH ST
CityBOULDER
StateCO
Zip80305-3301
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 4 BLK 1 HIGHLAND PARK
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionHIGHLAND PARK - BO
Legal Block1
Legal Lot Number4
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2002
Census Tract12507

Owner

365 27th St is owned and occupied by an individual who bought it in January 2007.

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

Owner of RecordIndividual Name on File
Mailing Address365 27TH ST, BOULDER, CO 80305-3301
OccupancyOwner Occupied
Owner TypeIndividual

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

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 23, 2007 · Amount on File
Deed SaleJan 23, 2007 · Amount on File
Prior SaleJan 27, 1993
Deed Document Number20072831430
Prior Transfer DateFeb 20, 2003
Prior Transfer Doc0002399157
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 365 27th St was $4,572.

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$47,416 (-1.13%) Land $24,697 Building $22,719$767,300 (-) Land $433,200 Building $334,100
2025$4,572.00$47,956 Land $27,075 Building $20,881$767,300 Land $433,200 Building $334,100
2023$4,456.00 (+12.16%)$55,295 (+29.24%) Land $31,845 Building $23,450$825,300 (+34.06%) Land $475,300 Building $350,000
2022$3,973.00$42,785 Land $24,117 Building $18,668$615,600 Land $347,000 Building $268,600

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

FEMA maps place 365 27th St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 500 ft
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

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

Wildfire risk around 365 27th St is low, with a 0.03% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 64% of the US · lower than 81% 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 294 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

Nearby Properties on 27th St

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