1638 9th St, Boulder, CO 80302 Property Records

Boulder County property record for 1638 9th St, Boulder, CO 80302

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,396 sqft · built 1905
Lot Size0.1 acres (4,341 sqft)
OwnerCompany Name on Record
Last Sale$362,450 (Jul 2001)
Tax Bill$6,187 (2025)
Flood ZoneZone AE (high risk)
APN1461-36-1-60-001

Property Details

APN / Parcel Number

Primary APN1461-36-1-60-001
Alternative APNs
  • R0005518
  • 0005518

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms4 Rooms
Stories2 Stories
Building Area1,396 sqft Living Area
1st Floor Area1,016 sqft
Upper Floors Area380 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1905
Effective Year BuiltEffective 1975
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area4,341 sqft (0.1 acres)
PorchPorch
Porch Area115 sqft
Deck Area126 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0005518
Street Address1638 9TH ST
CityBOULDER
StateCO
Zip80302-6010
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 1 1638 9TH STREET SUBD
Legal Range71
Legal Township1N
Legal Section36
Legal Subdivision1638 9TH STREET SUBDIVISION - BO
Legal Block2
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2006
Census Tract12204

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 RecordCompany Name on Record
Mailing Address1100 28TH ST, 100, BOULDER, CO 80303-7424
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 13, 2001 · Amount on Record
Deed SaleJul 13, 2001 · Amount on Record
Prior SaleOct 27, 1994 · Amount on Record
Deed Document Number20012172867
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$69,687 (+8.8%) Land $50,708 Building $18,979$1,024,800 (-) Land $745,700 Building $279,100
2025$6,187.00 (+10.62%)$64,050 (-5.24%) Land $46,606 Building $17,444$1,024,800 (+1.59%) Land $745,700 Building $279,100
2023$5,593.00 (+4.74%)$67,589 (+19.19%) Land $47,429 Building $20,160$1,008,800 (+23.64%) Land $707,900 Building $300,900
2022$5,340.00$56,705 Land $40,032 Building $16,673$815,900 Land $576,000 Building $239,900

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 AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayYes
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 14 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies16 units insured
incl. 2 condo units
Nearby Flood Claims17 (1980–2016)
Claims Outside the SFHA10 of 17
Most Recent ClaimJun 2016 · other causes
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 8 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 RiskModerate
above 61% of the US · above 48% of Colorado
Wildfire Likelihood0.2% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless · Fiber in parts of the area
2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area
2,000 / 1,000
Xfinity
Cable
2,000 / 250
LiveWireNet
Fixed Wireless
250 / 100
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

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