1525 18th St, Boulder, CO 80302 Property Records

Boulder County property record for 1525 18th St, Boulder, CO 80302

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 744 sqft · built 1900
Lot Size0.046 acres (1,980 sqft)
OwnerCompany Name on Record
Last Sale$18,000 (Jan 1976)
Tax Bill$4,517 (2025)
Flood ZoneZone AE (high risk)
APN1463-30-8-42-002

Property Details

APN / Parcel Number

Primary APN1463-30-8-42-002
Alternative APNs
  • R0001827
  • 0001827

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area744 sqft Living Area
1st Floor Area744 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1960
Architectural StyleRanch
Exterior MaterialCombination
Construction TypeFrame
Roof MaterialAsphalt
Lot Area1,980 sqft (0.046 acres)
Garage TypeDetached
Garage Area162 sqft
PorchPorch
Porch Area50 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0001827
Street Address1525 18TH ST
CityBOULDER
StateCO
Zip80302-6409
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 1 LESS N 68 1/4 FT & LESS W 8 FT & LESS 5 FT FOR ALLEY BLK 5 BO CULVERS OF S 1/2
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionCULVER - BO
Legal Block5
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1017
Census Tract12206

Owner

Source: Boulder County records, as of September 18, 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 Address1331 ARAPAHOE AVE, BOULDER, CO 80302-6224
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 15, 1976 · Amount on Record
Deed SaleJan 15, 1976 · Amount on Record
Deed Document Number1976164003
Last Transfer DateApr 27, 1995
Transfer Doc0001522983
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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$45,866 (-1.43%) Land $29,791 Building $16,075$744,500 (-) Land $508,100 Building $236,400
2025$4,517.00 (+5.46%)$46,531 (-11.24%) Land $31,756 Building $14,775$744,500 (-4.84%) Land $508,100 Building $236,400
2023$4,283.00 (+13.43%)$52,421 (+31.52%) Land $36,977 Building $15,444$782,400 (+36.43%) Land $551,900 Building $230,500
2022$3,776.00$39,858 Land $27,807 Building $12,051$573,500 Land $400,100 Building $173,400

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 AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 101 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies174 units insured
incl. 73 condo units
Nearby Flood Claims10 (2013)
Most Recent ClaimOct 2013 · rainfall accumulation
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 9 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 RiskNot rated
no burnable land within 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 432 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
AT&T
Fixed Wireless
100 / 20

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