509 Collyer St, Longmont, CO 80501 Property Records

Boulder County property record for 509 Collyer St, Longmont, CO 80501

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,770 sqft · built 1919
Lot Size	0.176 acres (7,650 sqft)
Owner	2 Individual Names on File
Last Sale	$380,000 (Jun 2015)
Tax Bill	$5,086 (2025)
Deeds & Mortgages	Jan 2019 Reverse Mortgage May 2018 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1315-03-1-24-016`

Property Details

APN / Parcel Number

Primary APN	`1315-03-1-24-016`
Alternative APNs	`R0045472` `0045472`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,770 sqft Living Area
Gross Area	2,162 sqft
1st Floor Area	1,378 sqft
Basement Area	784 sqft
Finished Basement	392 sqft
Unfinished Basement	392 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1919
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Lot Area	7,650 sqft (0.176 acres)
Garage Type	Detached
Garage Area	364 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	210 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0045472
Street Address	509 COLLYER ST
City	LONGMONT
State	CO
Zip	80501-5542
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S 1/2 LOT 11 BLK 42 LONGMONT O T CITY ORDINANCE 0-95-85 DESIGNATING DOBBINS/PIERCE HOUSE AS A LOCAL HISTORICAL LANDMARK
Legal Range	69
Legal Township	2N
Legal Section	03
Legal Subdivision	LONGMONT OT
Legal Block	42
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	3
Census Block	3021
Census Tract	13401

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the East Side Historic District listed 1986 · 67 contributing resources · NRIS 86002812

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

509 Collyer St is owned and occupied by two individuals who bought it in June 2015.

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

Owner of Record	2 Individual Names on File
Mailing Address	509 COLLYER ST, LONGMONT, CO 80501-5542
Occupancy	Owner Occupied
Owner Type	Individual

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

Deeds, Mortgages & Sale History

Date	Document
Jan 4, 2019	Deed of Trust, Mortgage · Reverse Mortgage THRIVE MORTGAGE LLC
May 22, 2018	Deed of Trust, Mortgage · Commercial Mortgage HIGH PLAINS BANK
Dec 26, 2018	Deed of Trust, Mortgage · FHA Mortgage FEDERAL HSNG COMMISSIONER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 26, 2015 · Amount on File
Deed Sale	Jun 26, 2015 · Amount on File
Prior Sale	Jul 29, 1994 · Amount on File
Deed Document Number	20153455620
Prior Transfer Date	Aug 13, 2002
Prior Transfer Doc	0002321298
Record Updated	Oct 29, 2026

January 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	509 COLLYER ST, LONGMONT, CO 80501-5542
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST INTEGRITY TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003692831
Date	Jan 4, 2019
Instrument	3692831

Lender

Name	THRIVE MORTGAGE LLC
Type	Mortgage Company
Address	GEORGETOWN, TX 78633

Agreement

Type	Reverse Mortgage
Amount	Amount on Record
Term	958 Months
Due	Nov 2, 2098

Interest

Rate Type	Adjustable Rate
Rate	4.82%
Type Change Date	Jan 1, 2020
Change Frequency	Annually
Min Rate At Change	2%
Index	1-Year LIBOR
Max Rate	5%

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	509 COLLYER ST, LONGMONT, CO 80501-5542
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003656824
Date	May 22, 2018
Instrument	3656824

Lender

Name	HIGH PLAINS BANK
Type	Bank
Address	LONGMONT, CO 80501

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	509 COLLYER ST, LONGMONT, CO 80501-5542
Document Number	0003692832
Instrument Date	Dec 26, 2018
Transaction Type	Mortgage
Record Updated	Aug 28, 2019
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 COLLYER ST LONGMONT CO 805015542, LONGMONT, CO 80501-5542

Mortgage

Document Number	0003692832
Date	Jan 4, 2019
Instrument	3692832

Lender

Name	FEDERAL HSNG COMMISSIONER
Address	WASHINGTON, DC 20410

Agreement

Type	FHA Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	4.82%

Tax Assessment & Valuation

The 2025 property tax bill for 509 Collyer St was $5,086.

Source: Boulder County assessment roll, as of September 18, 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		$47,954 (-1.02%) Land $5,325 Building $42,629	$775,200 (-) Land $148,300 Building $626,900
2025	$5,086.00	$48,450 Land $9,269 Building $39,181	$775,200 Land $148,300 Building $626,900
2023	$4,398.00 (+11.4%)	$50,303 (+27.34%) Land $10,425 Building $39,878	$750,800 (+32.09%) Land $155,600 Building $595,200
2022	$3,948.00	$39,504 Land $7,353 Building $32,151	$568,400 Land $105,800 Building $462,600

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

FEMA maps place 509 Collyer St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 509 Collyer St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 98% of the US · lower than 99.2% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 488 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 · Fiber in parts of the area	140 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Rise Broadband, TDS Telecom.

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