3575 28th St, Apt 304, Boulder, CO 80301 Property Records

Boulder County property record for 3575 28th St, Apt 304, Boulder, CO 80301

Property Summary

Property TypeCondominium
Details2 bd · 1.75 ba · 830 sqft · built 1984
Lot Size1.07 acres (46,673 sqft)
Owner2 Individual Names on Record
Last Sale$198,000 (Sep 2013)
Tax Bill$2,351 (2025)
Deeds & MortgagesFeb 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN1463-20-2-51-012

Property Details

APN / Parcel Number

Primary APN1463-20-2-51-012
Alternative APNs
  • R0098816
  • 0098816

Interior

Bedrooms2 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms4 Rooms
Stories1 Story
Building Area830 sqft Living Area
1st Floor Area830 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 1984
Architectural StyleCondo/Apartment
Exterior MaterialCombination
Construction TypeFrame
Lot Area46,673 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0098816
Street Address3575 28TH ST, 304
CityBOULDER
StateCO
Zip80301-1539
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionUNIT 304 BLDG 6 & UND 1/96 INT GCE PENDLETON SQUARE CONDOS PHASE VI
Legal Range70
Legal Township1N
Legal Section20
Legal SubdivisionPENDLETON SQUARE CONDO PS V VI - BO
Legal Phase6
Legal Block3
Legal Lot Number6
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3009
Census Tract12103

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 Address3575 28TH ST, 304, BOULDER, CO 80301-1539
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 30, 2013 · Amount on Record
Deed SaleSep 30, 2013 · Amount on Record
Prior SaleAug 22, 2006 · Amount on Record
Deed Document Number20133345135
Prior Transfer DateMay 17, 2005
Prior Transfer Doc0002689369
Record UpdatedOct 29, 2026

February 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3575 28TH ST APT 304, 304, BOULDER, CO 80301-1539
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyLAND TITLE GUARANTEE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003698936
DateFeb 22, 2019
Instrument3698936
Lender
NameZB NA
TypeBank
AddressDENVER, CO 80234
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Term359 Months
DueJan 25, 2049
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

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$23,317 (-2.08%) Building $23,317$381,000 (-) Building $381,000
2025$2,351.00 (+16.91%)$23,813 (-8.8%) Building $23,813$381,000 (-2.24%) Building $381,000
2023$2,011.00 (-10.02%)$26,111 (+12.25%) Building $26,111$389,714 (+16.44%) Building $389,714
2022$2,235.00$23,262 Building $23,262$334,700 Building $334,700

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
Flood Insurance CostPremium on Record
median of 28 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies58 units insured
incl. 30 condo units
Nearby Flood Claims18 (1995–2022)
Claims Outside the SFHA9 of 18
Most Recent ClaimOct 2022 · rainfall accumulation
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 15 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 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 288 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
Xfinity
Cable · Fiber in parts of the area
2,000 / 250
LiveWireNet
Fixed Wireless
250 / 100
CenturyLink
DSL · Fiber in parts of the area
140 / 20
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

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