370 30th St, Boulder, CO 80305 Property Records

Boulder County property record for 370 30th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 990 sqft · built 1954
Lot Size0.141 acres (6,155 sqft)
OwnerIndividual Name on Record
Last Sale$102,000 (Feb 1992)
Tax Bill$4,253 (2025)
Flood ZoneZone X (minimal risk)
APN1577-05-2-10-003

Property Details

APN / Parcel Number

Primary APN1577-05-2-10-003
Alternative APNs
  • R0005629
  • 0005629

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area990 sqft Living Area
1st Floor Area990 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,155 sqft (0.141 acres)
Garage TypeDetached
Garage Area600 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0005629
Street Address370 30TH ST
CityBOULDER
StateCO
Zip80305-3322
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 3 BLK 10 HIGHLAND PARK 1
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionHIGHLAND PARK 1 - BO
Legal Block10
Legal Lot Number3
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2005
Census Tract12507

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 RecordIndividual Name on Record
Mailing Address3560 EMERSON AVE, BOULDER, CO 80305-6648
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 28, 1992 · Amount on Record
Deed SaleFeb 28, 1992 · Amount on Record
Prior SaleNov 19, 1986
Deed Document Number19921164297
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$47,614 (+8.8%) Land $29,077 Building $18,537$700,200 (-) Land $427,600 Building $272,600
2025$4,253.00 (+3.83%)$43,763 (-12.91%) Land $26,725 Building $17,038$700,200 (-6.64%) Land $427,600 Building $272,600
2023$4,096.00 (+11.15%)$50,250 (+29.25%) Land $31,436 Building $18,814$750,000 (+34.07%) Land $469,200 Building $280,800
2022$3,685.00$38,879 Land $23,811 Building $15,068$559,400 Land $342,600 Building $216,800

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 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

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 227 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area
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.

Nearby Properties on 30th St

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