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4596 Macarthur Dr, Boulder, CO 80303 Property Records

Boulder County property record for 4596 Macarthur Dr, Boulder, CO 80303

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.25 ba · 1,818 sqft · built 1979
Lot Size0.046 acres (2,007 sqft)
OwnerCompany Name on File
Last Sale$409,137 (Aug 2014)
Tax Bill$4,478 (2025)
Deeds & MortgagesNov 2018 Sale
Nov 2018 Sale
Flood ZoneZone X (moderate risk)
APN1463-33-2-10-013

Property Details

APN / Parcel Number

Primary APN1463-33-2-10-013
Alternative APNs
  • R0072630
  • 0072630

Interior

Bedrooms3 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms6 Rooms
Building Area1,818 sqft Living Area
Gross Area2,302 sqft
1st Floor Area631 sqft
Upper Floors Area1,187 sqft
Basement Area616 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1990
Architectural StyleTownhouse
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area2,007 sqft (0.046 acres)
Garage TypeAttached
Garage Area484 sqft
Parking Spaces2 Parking Spaces
Deck Area164 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0072630
Street Address4596 MACARTHUR DR
CityBOULDER
StateCO
Zip80303-1124
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionUNIT 1 BLDG D WILLOWRIDGE PARK 1
Legal Range70
Legal Township1N
Legal Section33
Legal SubdivisionWILLOWRIDGE PARK 1 - BO
Legal Block3
Legal Unit1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3003
Census Tract12603

Owner

4596 Macarthur Dr is owned by a company that acquired it in October 2018.

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

Owner of RecordCompany Name on File
Mailing Address5537 SUNSTONE LN, CASTLE ROCK, CO 80108-7524
Owner TypeCompany

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

DateDocument
Nov 30, 2018Grant Deed, Transfer
Nov 30, 2018Grant Deed, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 8, 2014 · Amount on File
Deed SaleAug 8, 2014 · Amount on File
Prior SaleJul 2, 2014 · Amount on File
Deed Document Number20143396382
Last Transfer DateOct 27, 2018
Transfer Doc0003688055
Record UpdatedOct 29, 2026

November 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionBOULDER CO
Recording DateNov 30, 2018
Property Address4596 MACARTHUR DR, BOULDER, CO 80303-1124
Document Number0003688056
Instrument DateOct 22, 2018
Instrument3688056
Transaction TypeTransfer
Record UpdatedDec 11, 2018

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address5537 SUNSTONE LN CASTLE ROCK CO 801087524, CASTLE ROCK, CO 80108-7524

November 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionBOULDER CO
Recording DateNov 30, 2018
Property Address4596 MACARTHUR DR, BOULDER, CO 80303-1124
Document Number0003688055
Instrument DateOct 22, 2018
Instrument3688055
Transaction TypeTransfer
Record UpdatedDec 11, 2018

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address5537 SUNSTONE LN CASTLE ROCK CO 801087524, CASTLE ROCK, CO 80108-7524

Tax Assessment & Valuation

The 2025 property tax bill for 4596 Macarthur Dr was $4,478, up 3.5% from the year before.

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$45,424 (-1.52%) Land $14,389 Building $31,035$738,000 (-) Land $281,600 Building $456,400
2025$4,478.00 (+3.47%)$46,125 Land $17,600 Building $28,525$738,000 Land $281,600 Building $456,400
2024$4,328.00 (+1.84%)
2023$4,250.00 (+8.25%)$52,039 (+23.07%) Land $21,943 Building $30,096$776,700 (+27.66%) Land $327,500 Building $449,200
2022$3,926.00$42,283 Land $16,200 Building $26,083$608,400 Land $233,100 Building $375,300

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

FEMA maps place 4596 Macarthur Dr in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AO, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 31 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies31 in force
Nearby Flood Claims7 (2000–2013)
Claims Outside the SFHA5 of 7
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 6 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

The area around 4596 Macarthur Dr has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within 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 103 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
Verizon
Fixed Wireless		300 / 20
LiveWireNet
Fixed Wireless		250 / 100
AT&T
Fixed Wireless		100 / 20

May also be available: CenturyLink.

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