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3995 Darley Ave, Boulder, CO 80305 Property Records

Boulder County property record for 3995 Darley Ave, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.75 ba · 1,362 sqft · built 1963
Lot Size0.162 acres (7,073 sqft)
Owner2 Individual Names on File
Last Sale$910,000 (Feb 2024)
Tax Bill$7,101 (2025)
Deeds & MortgagesJun 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN1577-08-1-15-020

Property Details

APN / Parcel Number

Primary APN1577-08-1-15-020
Alternative APNs
  • R0011488
  • 0011488

Interior

Bedrooms3 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,362 sqft Living Area
Gross Area1,674 sqft
1st Floor Area1,362 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 2000
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area7,073 sqft (0.162 acres)
Garage TypeAttached
Garage Area312 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area260 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0011488
Street Address3995 DARLEY AVE
CityBOULDER
StateCO
Zip80305-6518
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 20 BLK 5 MOUNTAIN TERRACE
Legal Range70
Legal Township1S
Legal Section08
Legal SubdivisionMOUNTAIN TERRACE - BO
Legal Block5
Legal Lot Number20
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1011
Census Tract12509

Owner

3995 Darley Ave is owned and occupied by two individuals who bought it in February 2024.

Source: Boulder County records, as of September 18, 2026

Owner of Record2 Individual Names on File
Mailing Address3995 DARLEY AVE, BOULDER, CO 80305-6518
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 29, 2024 · Amount on File
Deed SaleFeb 29, 2024 · Amount on File
Prior SaleSep 19, 2008 · Amount on File
Deed Document Number20244038199
Prior Transfer DateDec 23, 2009
Prior Transfer Doc0003050641
Record UpdatedOct 29, 2026

June 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3995 DARLEY AVE, BOULDER, CO 80305-6518
Transaction TypeMortgage
Record UpdatedFeb 7, 2021
Title CompanyLAND TITLE GUARANTEE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003663314
DateJun 28, 2018
Instrument3663314
Lender
NameMIDWEST REGIONAL BANK
TypeBank
AddressFESTUS, MO 63028
Agreement
TypeCommercial Mortgage
AmountAmount on Record
Term303 Months
DueSep 28, 2043

Tax Assessment & Valuation

The 2025 property tax bill for 3995 Darley Ave was $7,101.

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$76,269 (+2.41%) Land $53,788 Building $22,481$1,191,600 (-) Land $861,000 Building $330,600
2025$7,101.00$74,476 Land $53,813 Building $20,663$1,191,600 Land $861,000 Building $330,600
2023$6,858.00 (+16.1%)$83,100 (+30.63%) Land $61,754 Building $21,346$1,240,300 (+35.51%) Land $921,700 Building $318,600
2022$5,907.00$63,613 Land $45,425 Building $18,188$915,300 Land $653,600 Building $261,700

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

FEMA maps place 3995 Darley Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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 Policies7 in force
Nearby Flood Claims1 (1998)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 1998 · tidal / storm surge

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

Wildfire risk around 3995 Darley Ave is low, with a 0.03% annual chance of 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 Likelihood0.03% 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 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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