340 Colgate St, Boulder, CO 80305 Property Records

Boulder County property record for 340 Colgate St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,954 sqft · built 1957
Lot Size	0.183 acres (7,977 sqft)
Owner	Individual Name on File
Last Sale	$52,900 (Jul 1977)
Tax Bill	$6,134 (2025)
Deeds & Mortgages	Aug 2022 Transfer Aug 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-3-23-004`

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-23-004`
Alternative APNs	`R0004592` `0004592`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,954 sqft Living Area
Gross Area	2,408 sqft
1st Floor Area	1,204 sqft
Basement Area	1,204 sqft
Finished Basement	750 sqft
Unfinished Basement	454 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1960
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	7,977 sqft (0.183 acres)

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0004592
Street Address	340 COLGATE ST
City	BOULDER
State	CO
Zip	80305-5357
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 23 HIGHLAND PARK 5
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	HIGHLAND PARK 5 - BO
Legal Block	23
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2031
Census Tract	12505

Owner

Source: Boulder County assessment roll, 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	Individual Name on File
Mailing Address	1257 N WASHINGTON ST, DENVER, CO 80203-2618
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 23, 2022	Quit Claim Deed, Transfer Quitclaim
Aug 23, 2022	Quit Claim Deed, Transfer Quitclaim
Apr 3, 2018	Warranty Deed, Transfer

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 18, 1977 · Amount on Record
Deed Sale	Jul 18, 1977 · Amount on Record
Deed Document Number	1977232529
Last Transfer Date	Aug 23, 2022
Transfer Doc	0003978140
Record Updated	Sep 20, 2026

August 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 23, 2022
Property Address	340 COLGATE ST, BOULDER, CO 80305-5357
Document Number	0003978115
Instrument Date	Aug 23, 2022
Instrument	3978115
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1000 BRICKELL AVE STE 715, 715, MIAMI, FL 33131-3047

August 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 23, 2022
Property Address	340 COLGATE ST, BOULDER, CO 80305-5357
Document Number	0003978140
Instrument Date	Aug 23, 2022
Instrument	3978140
Transaction Type	Transfer
Record Updated	Sep 6, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1257 N WASHINGTON ST, DENVER, CO 80203-2618

April 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 3, 2018
Property Address	340 COLGATE ST, BOULDER, CO 80305-5357
Document Number	0003648799
Instrument Date	Apr 3, 2018
Instrument	3648799
Transaction Type	Transfer
Record Updated	Apr 11, 2018

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2301 BLAKE ST # DENVER CO 80205, DENVER, CO 80205

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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		$69,074 (+8.8%) Land $62,167 Building $6,907	$1,015,800 (-) Land $914,220 Building $101,580
2025	$6,134.00 (+15.93%)	$63,488 (-0.93%) Land $57,139 Building $6,349	$1,015,800 (+6.2%) Land $914,220 Building $101,580
2023	$5,291.00 (+14.05%)	$64,086 (+30.39%) Land $57,677 Building $6,409	$956,500 (+35.25%) Land $860,850 Building $95,650
2022	$4,639.00	$49,150 Land $44,235 Building $4,915	$707,200 Land $636,480 Building $70,720

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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
Flood Insurance Cost	Premium on Record median of 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	17 (1980–2015)
Claims Outside the SFHA	7 of 17
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 11 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	Moderate above 62% of the US · above 50% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 515 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T.

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