4403 Aaron Pl, Boulder, CO 80303 Property Records

Boulder County property record for 4403 Aaron Pl, Boulder, CO 80303

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,048 sqft · built 1978
Lot Size	0.189 acres (8,214 sqft)
Owner	2 Individual Names on Record
Last Sale	$560,000 (Jul 2009)
Tax Bill	$7,082 (2025)
Deeds & Mortgages	Dec 2021 Mortgage Aug 2018 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`1463-33-2-09-001`

Property Details

APN / Parcel Number

Primary APN	`1463-33-2-09-001`
Alternative APNs	`R0010167` `0010167`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,048 sqft Living Area
Gross Area	3,532 sqft
1st Floor Area	1,484 sqft
Upper Floors Area	600 sqft
Basement Area	964 sqft
Finished Basement	964 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	8,214 sqft (0.189 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces
Deck Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0010167
Street Address	4403 AARON PL
City	BOULDER
State	CO
Zip	80303-1114
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 WILLOWRIDGE PARK 1
Legal Range	70
Legal Township	1N
Legal Section	33
Legal Subdivision	WILLOWRIDGE PARK 1 - BO
Legal Block	3
Legal Lot Number	1
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	2 Individual Names on Record
Mailing Address	4403 AARON PL, BOULDER, CO 80303-1114
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 15, 2021	Deed of Trust, Mortgage · Conventional Mortgage SYNERGY ONE LENDING
Aug 24, 2018	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 6, 2009 · Amount on Record
Deed Sale	Jul 6, 2009 · Amount on Record
Prior Sale	May 10, 2005 · Amount on Record
Deed Document Number	20093013689
Prior Transfer Date	Sep 17, 2003
Prior Transfer Doc	0002512007
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4403 AARON PL, BOULDER, CO 80303-1114
Transaction Type	Mortgage
Record Updated	Jan 17, 2022
Title Company	CANTON TITLE, CANYON TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4403 AARON PL, BOULDER, CO 80303-1114

Mortgage

Document Number	0003934763
Date	Dec 15, 2021
Instrument	3934763

Lender

Name	SYNERGY ONE LENDING
Type	Mortgage Company
Address	SAN DIEGO, CA 92108

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2052

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4403 AARON PL, BOULDER, CO 80303-1114
Document Number	0003673770
Instrument Date	Aug 24, 2018
Transaction Type	Mortgage
Record Updated	Sep 10, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4403 AARON PL BOULDER CO 803031114, BOULDER, CO 80303-1114

Mortgage

Document Number	0003673770
Date	Aug 29, 2018
Instrument	3673770

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Aug 28, 2038

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		$76,058 (+2.39%) Land $36,033 Building $40,025	$1,188,500 (-) Land $599,900 Building $588,600
2025	$7,082.00 (+0.54%)	$74,282 (-12.87%) Land $37,494 Building $36,788	$1,188,500 (-6.6%) Land $599,900 Building $588,600
2023	$7,044.00 (+15.87%)	$85,257 (+30.22%) Land $44,394 Building $40,863	$1,272,500 (+35.08%) Land $662,600 Building $609,900
2022	$6,079.00	$65,469 Land $32,776 Building $32,693	$942,000 Land $471,600 Building $470,400

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	Low lower than 95% of the US · lower than 98.1% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 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 286 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	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: AT&T.

Nearby Properties on Aaron Pl

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures