821 15th St, Boulder, CO 80302 Property Records

Boulder County property record for 821 15th St, Boulder, CO 80302

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,328 sqft · built 1919
Lot Size0.136 acres (5,940 sqft)
Owner2 Individual Names on Record
Last Sale$775,800 (Sep 2009)
Tax Bill$11,645 (2025)
Flood ZoneZone X (minimal risk)
APN1463-31-3-20-014

Property Details

APN / Parcel Number

Primary APN1463-31-3-20-014
Alternative APNs
  • R0000868
  • 0000868

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area2,328 sqft Living Area
Gross Area2,902 sqft
1st Floor Area1,212 sqft
Upper Floors Area1,116 sqft
Basement Area558 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1919
Effective Year BuiltEffective 1990
Architectural StyleMulti-Level
Exterior MaterialCombination
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area5,940 sqft (0.136 acres)
Garage Area360 sqft
Parking Spaces1 Parking Space

Exterior Amenities

PorchEnclosed Porch
Porch Area367 sqft
Deck Area550 sqft
Total Buildings2 Buildings

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0000868
Street Address821 15TH ST
CityBOULDER
StateCO
Zip80302-7623
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOTS 29 & 30 BLK 22 UNIVERSITY PLACE
Legal Range70
Legal Township1N
Legal Section31
Legal SubdivisionUNIVERSITY PLACE - BO
Legal Block22
Legal Lot Number29
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3000
Census Tract12401

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 Record2 Individual Names on Record
Mailing Address821 15TH ST, BOULDER, CO 80302-7623
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 30, 2009 · Amount on Record
Deed SaleSep 30, 2009 · Amount on Record
Prior SaleDec 6, 2006 · Amount on Record
Deed Document Number20093033075
Prior Transfer DateAug 15, 2006
Prior Transfer Doc0002822540
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$128,126 (+4.9%) Land $53,680 Building $74,446$1,954,200 (-) Land $859,400 Building $1,094,800
2025$11,645.00 (+4.59%)$122,138 (-7.9%) Land $53,713 Building $68,425$1,954,200 (-1.27%) Land $859,400 Building $1,094,800
2023$11,134.00 (+16.48%)$132,614 (+28.83%) Land $54,726 Building $77,888$1,979,300 (+33.64%) Land $816,800 Building $1,162,500
2022$9,559.00$102,936 Land $44,841 Building $58,095$1,481,100 Land $645,200 Building $835,900

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 X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies3 in force

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 53% of the US · lower than 62% of Colorado
Wildfire Likelihood0.1% 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 480 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

May also be available: Magnolia Road Internet Cooperative.

Nearby Properties on 15th St

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