345 30th St, Boulder, CO 80305 Property Records

Boulder County property record for 345 30th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 910 sqft · built 1954
Lot Size0.145 acres (6,330 sqft)
Owner2 Individual Names on Record
Last Sale$56,500 (Dec 1978)
Tax Bill$3,386 (2025)
Flood ZoneZone X (minimal risk)
APN1577-05-2-08-019

Property Details

APN / Parcel Number

Primary APN1577-05-2-08-019
Alternative APNs
  • R0000771
  • 0000771

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area910 sqft Living Area
1st Floor Area910 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1960
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,330 sqft (0.145 acres)
Garage TypeCarport
Garage Area220 sqft
CarportCarport
Carport Area220 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area216 sqft

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0000771
Street Address345 30TH ST
CityBOULDER
StateCO
Zip80305-3321
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 19 BLK 9 HIGHLAND PARK 1
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionHIGHLAND PARK 1 - BO
Legal Block9
Legal Lot Number19
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2004
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 Record2 Individual Names on Record
Mailing Address345 30TH ST, BOULDER, CO 80305-3321
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 4, 1978 · Amount on Record
Deed SaleDec 4, 1978 · Amount on Record
Prior SaleJul 21, 1976 · Amount on Record
Deed Document Number1978312533
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$45,438 (+8.8%) Land $29,485 Building $15,953$668,200 (-) Land $433,600 Building $234,600
2025$3,386.00 (+4.15%)$41,763 (-13.05%) Land $27,100 Building $14,663$668,200 (-6.79%) Land $433,600 Building $234,600
2023$3,251.00 (+14.84%)$48,033 (+28.3%) Land $31,879 Building $16,154$716,900 (+33.08%) Land $475,800 Building $241,100
2022$2,831.00$37,439 Land $24,144 Building $13,295$538,700 Land $347,400 Building $191,300

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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
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

Nearby Streets

Search Property Records by Address or Parcel Number