345 Colgate St, Boulder, CO 80305 Property Records

Boulder County property record for 345 Colgate St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,200 sqft · built 1957
Lot Size	0.173 acres (7,513 sqft)
Owner	Company Name on File
Last Sale	$975,000 (Jan 2026)
Tax Bill	$7,348 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Oct 2021 Line of Credit + 6 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-3-22-008`

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-22-008`
Alternative APNs	`R0000685` `0000685`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,200 sqft Living Area
Gross Area	2,430 sqft
1st Floor Area	1,215 sqft
Basement Area	1,215 sqft
Finished Basement	985 sqft
Unfinished Basement	230 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,513 sqft (0.173 acres)
Porch	Porch
Porch Area	289 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0000685
Street Address	345 COLGATE ST
City	BOULDER
State	CO
Zip	80305-5356
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 8 BLK 24 HIGHLAND PARK 5
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	HIGHLAND PARK 5 - BO
Legal Block	24
Legal Lot Number	8
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2030
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	Company Name on File
Mailing Address	345 COLGATE ST, BOULDER, CO 80305-5356
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Oct 11, 2021	Deed of Trust, Mortgage · Commercial Mortgage ALPINE BANK
Oct 5, 2021	Deed of Trust, Mortgage · Line of Credit ALPINE BANK
Jan 30, 2023	Deed of Trust, Mortgage · Commercial Mortgage ALPINE BANK
Apr 13, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Mar 31, 2026	Quit Claim Deed, Transfer · Conventional Mortgage LOWER LLC
Jan 29, 2026	Re-recorded Document FIRST AMERICAN TITLE
Nov 9, 2020	Deed of Trust, Mortgage · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC
Dec 26, 2017	Warranty Deed, Transfer · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 29, 2026 · Amount on Record
Deed Sale	Jan 29, 2026 · Amount on Record
Prior Sale	Jul 14, 2025 · Amount on Record
Deed Document Number	20264118109
Prior Transfer Date	Jan 10, 2005
Prior Transfer Doc	0002660396
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Transaction Type	Mortgage
Record Updated	May 1, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003919591
Date	Oct 11, 2021
Instrument	3919591

Lender

Name	ALPINE BANK
Type	Bank
Address	RIFLE, CO 81650

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Transaction Type	Mortgage
Record Updated	May 1, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003918509
Date	Oct 5, 2021
Instrument	3918509

Lender

Name	ALPINE BANK
Type	Bank
Address	RIFLE, CO 81650

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Transaction Type	Mortgage
Record Updated	May 1, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003995931
Date	Jan 30, 2023
Instrument	3995931

Lender

Name	ALPINE BANK
Type	Bank
Address	RIFLE, CO 81650

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	61 Months
Due	Feb 25, 2028

April 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 13, 2026
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Document Number	0004127529
Instrument Date	Mar 24, 2026
Instrument	20264127529
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	345 COLGATE ST, BOULDER, CO 80305-5356

March 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 31, 2026
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Document Number	0004125741
Instrument Date	Mar 24, 2026
Instrument	4125741
Transaction Type	Transfer
Record Updated	May 1, 2026
Title Company	FIRST INTEGRITY TITLE

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	Joint Tenants
Address	345 COLGATE ST, BOULDER, CO 80305-5356

Mortgage

Document Number	0004125742
Date	Mar 31, 2026
Instrument	4125742

Lender

Name	LOWER LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

January 2026: Re-recorded Document

Document Type	Re-recorded Document
Jurisdiction	BOULDER CO
Recording Date	Jan 29, 2026
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Document Number	0004118109
Instrument Date	Jul 10, 2025
Instrument	4118109
Record Updated	Feb 13, 2026
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3811 26TH ST, BOULDER, CO 80304-1325

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	HERITAGE TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003831472
Date	Nov 9, 2020
Instrument	3831472

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company
Address	ENGLEWOOD, CO 80111

Agreement

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

December 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 26, 2017
Property Address	345 COLGATE ST, BOULDER, CO 80305-5356
Document Number	0003632709
Instrument Date	Dec 18, 2017
Instrument	3632709
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$75.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	345 COLGATE ST, BOULDER, CO 80305-5356

Mortgage

Document Number	0003632710
Date	Dec 26, 2017
Instrument	3632710

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2048

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		$82,933 (+8.8%) Land $60,343 Building $22,590	$1,219,600 (-) Land $887,400 Building $332,200
2025	$7,348.00 (+14.29%)	$76,226 (-0.81%) Land $55,463 Building $20,763	$1,219,600 (+6.33%) Land $887,400 Building $332,200
2024	$6,429.00 (+1.76%)
2023	$6,318.00 (+16.33%)	$76,849 (+31.39%) Land $63,650 Building $13,199	$1,147,000 (+36.29%) Land $950,000 Building $197,000
2022	$5,431.00	$58,491 Land $46,822 Building $11,669	$841,600 Land $673,700 Building $167,900

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
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.

Nearby Properties on Colgate St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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