421 Thistle Pl, Longmont, CO 80504 Property Records

Boulder County property record for 421 Thistle Pl, Longmont, CO 80504

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.75 ba · 1,680 sqft · built 1976
Lot Size	0.175 acres (7,602 sqft)
Owner	2 Individual Names on Record
Last Sale	$405,000 (Mar 2020)
Tax Bill	$3,779 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Mar 2020 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1205-35-4-07-031`

Property Details

APN / Parcel Number

Primary APN	`1205-35-4-07-031`
Alternative APNs	`R0070247` `0070247`

Interior

Bedrooms	4 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,680 sqft Living Area
1st Floor Area	1,008 sqft
Upper Floors Area	672 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1976
Effective Year Built	Effective 2015
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	7,602 sqft (0.175 acres)
Garage Type	Detached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0070247
Street Address	421 THISTLE PL
City	LONGMONT
State	CO
Zip	80504-3907
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 17 BLK 5 PARK RIDGE 3
Legal Range	69
Legal Township	3N
Legal Section	35
Legal Subdivision	PARK RIDGE 3 - LG
Legal Block	5
Legal Lot Number	17
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	1
Census Block	1000
Census Tract	13507

Owner

Source: Boulder County records, as of June 15, 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	1731 TWILIGHT CT, LONGMONT, CO 80504-3773
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 24, 2021	Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION
Mar 16, 2020	Special Warranty Deed, Transfer · Conventional Mortgage ADVANCED MORTGAGE SOLUTIONS LLC
Jul 30, 2019	Trustee's Deed, Transfer NOT AVAILABLE
Jul 18, 2019	Certificate of Purchase, Foreclosure NOT AVAILABLE
Oct 16, 2017	Warranty Deed, Transfer · Conventional Mortgage GUARANTY TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 16, 2020 · Amount on Record
Deed Sale	Mar 16, 2020 · Amount on Record
Prior Sale	Oct 16, 2017 · Amount on Record
Deed Document Number	20203771969
Prior Transfer Date	Oct 13, 2017
Prior Transfer Doc	0003620105
Record Updated	Sep 20, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	421 THISTLE PL, LONGMONT, CO 80504-3907
Transaction Type	Mortgage
Record Updated	Jul 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003870716
Date	Mar 24, 2021
Instrument	3870716

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company
Address	NEW YORK, NY 10007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Apr 1, 2041

March 2020: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 16, 2020
Property Address	421 THISTLE PL, LONGMONT, CO 80504-3907
Document Number	0003771969
Instrument Date	Mar 11, 2020
Instrument	3771969
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	FIRST AMERICAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$40.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2309 SPARTWAY ST, LONGMONT, CO

Mortgage

Document Number	0003771970
Date	Mar 16, 2020
Instrument	3771970

Lender

Name	ADVANCED MORTGAGE SOLUTIONS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

July 2019: Trustee's Deed, Transfer

Document Type	Trustee's Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 30, 2019
Property Address	421 THISTLE PL, LONGMONT, CO 80504-3907
Document Number	0003726868
Instrument Date	Jul 30, 2019
Instrument	3726868
Transaction Type	Transfer
Record Updated	Aug 7, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Partnership
Address	421 THISTLE PL LONGMONT CO 805043907, LONGMONT, CO 80504-3907

July 2019: Certificate of Purchase, Foreclosure

Document Type	Certificate of Purchase
Jurisdiction	BOULDER CO
Recording Date	Jul 18, 2019
Property Address	421 THISTLE PL, LONGMONT, CO 80504-3907
Document Number	0003724807
Instrument	3724807
Transaction Type	Foreclosure
Record Updated	Jul 26, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3700 N 10TH ST #304 MCALLEN TX 785011774, 304, MCALLEN, TX 78501-1774

October 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 16, 2017
Property Address	421 THISTLE PL, LONGMONT, CO 80504-3907
Document Number	0003620105
Instrument Date	Oct 13, 2017
Instrument	3620105
Transaction Type	Transfer
Record Updated	Oct 30, 2017
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$32.00
Amount Accuracy	Confirmed

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	421 THISTLE PL LONGMONT CO 805043907, LONGMONT, CO 80504-3907

Mortgage

Document Number	3620106
Date	Oct 16, 2017
Instrument	3620106

Lender

Name	GUARANTY TR
Address	MURFREESBORO, TN 37129

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 15, 2047

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Longmont City
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$39,174 (+8.8%) Land $9,064 Building $30,110	$576,100 (-) Land $133,300 Building $442,800
2025	$3,779.00 (+12.91%)	$36,006 (-8.07%) Land $8,331 Building $27,675	$576,100 (-1.45%) Land $133,300 Building $442,800
2023	$3,347.00 (+14.15%)	$39,168 (+32.17%) Land $9,192 Building $29,976	$584,600 (+37.1%) Land $137,200 Building $447,400
2022	$2,932.00	$29,635 Land $6,915 Building $22,720	$426,400 Land $99,500 Building $326,900

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1979)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jul 1979 · rainfall accumulation

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 99.1% of the US · lower than 99.6% of Colorado
Wildfire Likelihood	Under 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 LONGMONT serves 104,178 people · EPA ID CO0107485
Water Source	Surface water
Last State Inspection	Sep 2025
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 430 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
NextLight Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
CenturyLink DSL	140 / 20

May also be available: Rise Broadband, T-Mobile.

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