4535 Darley Ave, Boulder, CO 80305 Property Records

Boulder County property record for 4535 Darley Ave, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.5 ba · 2,864 sqft · built 1961
Lot Size0.208 acres (9,050 sqft)
Owner2 Individual Names on Record
Last Sale$359,000 (Jun 2007)
Tax Bill$6,189 (2025)
Deeds & MortgagesAug 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN1577-08-1-23-020

Property Details

APN / Parcel Number

Primary APN1577-08-1-23-020
Alternative APNs
  • R0010100
  • 0010100

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Half Baths2 Half Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area2,864 sqft Living Area
Gross Area3,163 sqft
1st Floor Area977 sqft
Upper Floors Area962 sqft
Basement Area925 sqft
Finished Basement925 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area9,050 sqft (0.208 acres)
Garage TypeAttached
Garage Area299 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0010100
Street Address4535 DARLEY AVE
CityBOULDER
StateCO
Zip80305-6031
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 20 BLK 1 MAJESTIC HEIGHTS
Legal Range70
Legal Township1S
Legal Section08
Legal SubdivisionMAJESTIC HEIGHTS - BO
Legal Block1
Legal Lot Number20
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1003
Census Tract12508

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 Address4535 DARLEY AVE, BOULDER, CO 80305-6031
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 19, 2007 · Amount on Record
Deed SaleJun 19, 2007 · Amount on Record
Prior SaleJan 2, 2007
Deed Document Number20072863435
Last Transfer DateJul 23, 2012
Transfer Doc0003239115
Record UpdatedOct 29, 2026

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address4535 DARLEY AVE, BOULDER, CO 80305-6031
Transaction TypeMortgage
Record UpdatedJul 26, 2022
Title CompanyWFG LENDER SERVICES LLC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003805580
DateAug 10, 2020
Instrument3805580
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2050

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$65,865 (+1.47%) Land $31,627 Building $34,238$1,038,600 (-) Land $535,100 Building $503,500
2025$6,189.00 (+19.46%)$64,913 (+1.92%) Land $33,444 Building $31,469$1,038,600 (+9.26%) Land $535,100 Building $503,500
2023$5,181.00 (+16.09%)$63,690 (+32.51%) Land $39,523 Building $24,167$950,600 (+37.45%) Land $589,900 Building $360,700
2022$4,463.00$48,066 Land $29,419 Building $18,647$691,600 Land $423,300 Building $268,300

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 Policies1 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 45% of the US · lower than 72% of Colorado
Wildfire Likelihood0.09% 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 604 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

May also be available: AT&T, T-Mobile.

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