4668 Macarthur Ln, Boulder, CO 80303 Property Records

Boulder County property record for 4668 Macarthur Ln, Boulder, CO 80303

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.75 ba · 1,380 sqft · built 1978
Lot Size	0.029 acres (1,254 sqft)
Owner	Individual Name on Record
Last Sale	$450,000 (Apr 2019)
Tax Bill	$3,376 (2025)
Deeds & Mortgages	Feb 2022 Sale Apr 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-33-2-12-010`

Property Details

APN / Parcel Number

Primary APN	`1463-33-2-12-010`
Alternative APNs	`R0077975` `0077975`

Interior

Bedrooms	2 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Building Area	1,380 sqft Living Area
1st Floor Area	720 sqft
Upper Floors Area	660 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	1,254 sqft (0.029 acres)

Utilities, Heating & Cooling

Heating Fuel	Electric

Location & Zoning

Account Number	R0077975
Street Address	4668 MACARTHUR LN
City	BOULDER
State	CO
Zip	80303-1160
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 10 MACARTHUR PARK
Legal Range	70
Legal Township	1N
Legal Section	33
Legal Subdivision	MACARTHUR PARK - BO
Legal Block	3
Legal Lot Number	10
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3003
Census Tract	12603

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	4668 MACARTHUR LN, BOULDER, CO 80303-1160
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 23, 2022	Beneficiary Deed, Transfer
Apr 24, 2019	Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 24, 2019 · Amount on Record
Deed Sale	Apr 24, 2019 · Amount on Record
Prior Sale	May 1, 1986
Deed Document Number	20193708852
Last Transfer Date	Feb 22, 2022
Transfer Doc	0003946788
Record Updated	Oct 29, 2026

February 2022: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 23, 2022
Property Address	4668 MACARTHUR LN, BOULDER, CO 80303-1160
Document Number	0003946788
Map Reference	DOC 309369
Instrument Date	Feb 22, 2022
Instrument	3946788
Transaction Type	Transfer
Record Updated	Mar 14, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4668 MACARTHUR LN, BOULDER, CO 80303-1160

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 24, 2019
Property Address	4668 MACARTHUR LN, BOULDER, CO 80303-1160
Document Number	0003708852
Instrument Date	Apr 22, 2019
Instrument	3708852
Transaction Type	Transfer
Record Updated	May 2, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$45.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4668 MACARTHUR LN BOULDER CO 803031160, BOULDER, CO 80303-1160

Mortgage

Document Number	3708853
Date	Apr 24, 2019
Instrument	3708853

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 23, 2049

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$34,670 (-2.08%) Land $11,285 Building $23,385	$566,500 (-) Land $222,600 Building $343,900
2025	$3,376.00 (+19.67%)	$35,407 (-2.6%) Land $13,913 Building $21,494	$566,500 (+4.4%) Land $222,600 Building $343,900
2023	$2,821.00 (+2.99%)	$36,354 (+23.22%) Land $17,614 Building $18,740	$542,600 (+27.82%) Land $262,900 Building $279,700
2022	$2,739.00	$29,503 Land $12,941 Building $16,562	$424,500 Land $186,200 Building $238,300

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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 31 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	31 in force
Nearby Flood Claims	7 (2000–2013)
Claims Outside the SFHA	5 of 7
Most Recent Claim	Sep 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

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

Wildfire Risk	Not 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 System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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

Provider	Max 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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