4630 Macarthur Ln, Boulder, CO 80303 Property Records

Boulder County property record for 4630 Macarthur Ln, Boulder, CO 80303

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,150 sqft · built 1980
Lot Size	0.05 acres (2,178 sqft)
Owner	Company Name on Record
Last Sale	$644,000 (Oct 2019)
Tax Bill	$5,169 (2025)
Deeds & Mortgages	Aug 2020 Mortgage Mar 2022 Line of Credit + 2 more
Flood Zone	Zone X (moderate risk)
APN	`1463-33-2-12-016`

Property Details

APN / Parcel Number

Primary APN	`1463-33-2-12-016`
Alternative APNs	`R0077982` `0077982`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	3 Half Baths
Total Rooms	6 Rooms
Building Area	2,150 sqft Living Area
Gross Area	2,858 sqft
1st Floor Area	944 sqft
Upper Floors Area	970 sqft
Basement Area	944 sqft
Finished Basement	236 sqft
Unfinished Basement	708 sqft

Exterior

Year Built	Built 1980
Effective Year Built	Effective 2006
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	2,178 sqft (0.05 acres)
Garage Type	Detached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	24 sqft
Deck Area	105 sqft
Patio Area	321 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0077982
Street Address	4630 MACARTHUR LN
City	BOULDER
State	CO
Zip	80303-1140
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 17 MACARTHUR PARK
Legal Subdivision	MACARTHUR PARK - BO
Legal Block	3
Legal Lot Number	17
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 shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage E MORTGAGE CAPITAL INC
Mar 22, 2022	Deed of Trust, Mortgage · Line of Credit CITYWIDE BANKS
Mar 4, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Oct 18, 2019	Special Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 18, 2019 · Amount on Record
Deed Sale	Oct 18, 2019 · Amount on Record
Prior Sale	Jan 10, 2003 · Amount on Record
Deed Document Number	20193743540
Last Transfer Date	Feb 24, 2020
Transfer Doc	0003769990
Record Updated	Oct 29, 2026

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140
Transaction Type	Mortgage
Record Updated	Oct 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003803754
Date	Aug 3, 2020
Instrument	3803754

Lender

Name	E MORTGAGE CAPITAL INC
Type	Mortgage Company
Address	SANTA ANA, CA 92701

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2050

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140
Transaction Type	Mortgage
Record Updated	Oct 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140

Mortgage

Document Number	0003952240
Date	Mar 22, 2022
Instrument	3952240

Lender

Name	CITYWIDE BANKS
Type	Bank
Address	BOULDER, CO 80302

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 4, 2020
Property Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140
Document Number	0003769990
Instrument Date	Feb 24, 2020
Instrument	3769990
Transaction Type	Transfer
Record Updated	Mar 19, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4630 MACARTHUR LN BOULDER CO 803031140, BOULDER, CO 80303-1140

October 2019: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 18, 2019
Property Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140
Document Number	0003743540
Map Reference	MF 1037 DOC 309369
Instrument Date	Oct 17, 2019
Instrument	3743540
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	8Z TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$64.40
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4630 MACARTHUR LN, BOULDER, CO 80303-1140

Mortgage

Document Number	0003743541
Date	Oct 18, 2019
Instrument	3743541

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 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		$54,223 (+0.02%) Land $15,191 Building $39,032	$867,400 (-) Land $293,400 Building $574,000
2025	$5,169.00 (+18.26%)	$54,213 (-0.17%) Land $18,338 Building $35,875	$867,400 (+7.02%) Land $293,400 Building $574,000
2023	$4,371.00 (+8.84%)	$54,304 (+25.56%) Land $23,216 Building $31,088	$810,500 (+30.24%) Land $346,500 Building $464,000
2022	$4,016.00	$43,250 Land $17,055 Building $26,195	$622,300 Land $245,400 Building $376,900

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
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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