3641 Duncan Ln, Boulder, CO 80301 Property Records

Boulder County property record for 3641 Duncan Ln, Boulder, CO 80301

Property Summary

Property Type	Truck Crops
Details	3 bd · 2.5 ba · 3,711 sqft · built 2006
Lot Size	7.78 acres (338,918 sqft)
Owner	2 Individual Names on Record
Last Sale	$3,000,000 (Mar 2019)
Tax Bill	$12,245 (2025)
Deeds & Mortgages	Aug 2019 Mortgage Jun 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1465-20-0-02-002`

Property Details

APN / Parcel Number

Primary APN	`1465-20-0-02-002`
Alternative APNs	`R0509363` `0509363`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	3,711 sqft Gross Area
1st Floor Area	2,030 sqft
Upper Floors Area	539 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2012
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	338,918 sqft
Garage Type	Attached
Garage Area	896 sqft
Parking Spaces	4 Parking Spaces
Porch	Enclosed Porch
Porch Area	363 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0509363
Street Address	3641 DUNCAN LN
City	BOULDER
State	CO
Zip	80301-3101
Property Category	Agriculture or Farming
Property Type	Agriculture / Farming > Truck Crops
Local Zoning Code	A
Legal Description	LOT 2 ERTL FARM NUPUD REPLAT A
Legal Range	69
Legal Township	1N
Legal Section	20
Legal Subdivision	ERTL FARM NUPUD REP A
Legal Block	2
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2002
Census Tract	12707

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	3641 DUNCAN LN, BOULDER, CO 80301-3101
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 13, 2019	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA
Jun 6, 2019	Deed of Trust, Mortgage BUONANNO LINDA S TRUST (PT)
Mar 18, 2019	Warranty Deed, Transfer 8Z TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 18, 2019 · Amount on Record
Deed Sale	Mar 18, 2019 · Amount on Record
Prior Sale	Feb 3, 2006 · Amount on Record
Deed Document Number	20193702665
Record Updated	Oct 29, 2026

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3641 DUNCAN LN, BOULDER, CO 80301-3101
Document Number	0003731086
Instrument Date	Aug 13, 2019
Transaction Type	Mortgage
Record Updated	Aug 27, 2019
Title Company	8Z TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3641 DUNCAN LN BOULDER CO 803013101, BOULDER, CO 80301-3101

Mortgage

Document Number	0003731086
Date	Aug 19, 2019
Instrument	3731086

Lender

Name	BANK OF AMERICA
Type	Bank
Address	HOUSTON, TX 77046

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	84 Months
Due	Aug 18, 2026

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3641 DUNCAN LN, BOULDER, CO 80301-3101
Document Number	0003717743
Instrument Date	Jun 6, 2019
Transaction Type	Mortgage
Record Updated	Jun 21, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3641 DUNCAN LN BOULDER CO 803013101, BOULDER, CO 80301-3101

Mortgage

Document Number	0003717743
Date	Jun 12, 2019
Instrument	3717743

Lender

Name	BUONANNO LINDA S TRUST (PT)
Address	1405 N DEARBOM PKWY, CHICAGO, IL 60610

Agreement

Amount	Amount Recorded

Interest

Rate	10%

March 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 18, 2019
Property Address	3641 DUNCAN LN, BOULDER, CO 80301-3101
Document Number	0003702665
Instrument Date	Mar 15, 2019
Instrument	3702665
Transaction Type	Transfer
Record Updated	Mar 26, 2019
Title Company	8Z TITLE

Transaction

Amount	Amount Recorded
Tax	$300.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3641 DUNCAN LN BOULDER CO 803013101, BOULDER, CO 80301-3101

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$127,657 (+4.59%) Land $2,143 Building $125,514	$1,924,370 (-) Land $8,570 Building $1,915,800
2025	$12,245.00 (-24.15%)	$122,051 (-32.42%) Land $2,314 Building $119,737	$1,924,370 (-26.87%) Land $8,570 Building $1,915,800
2023	$16,144.00 (+12.16%)	$180,598 (+22.82%) Land $5,755 Building $174,843	$2,631,400 (+24.38%) Land $21,800 Building $2,609,600
2022	$14,394.00	$147,037 Land $39,726 Building $107,311	$2,115,630 Land $571,600 Building $1,544,030

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

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Moderate above 64% of the US · above 55% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 7 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20
Rise Broadband Fixed Wireless	50 / 10

May also be available: Ayva Networks, CenturyLink, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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