3370 4th St, Boulder, CO 80304 Property Records

Boulder County property record for 3370 4th St, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	4.5 Baths
Year Built	Built 2017
Square Footage	4,167 sqft Living Area
Lot Size	13,747 sqft (0.316 acres)
Occupancy	Owner Occupied
Last Sale	$3,600,000 (2018)
Tax Bill	$27,411.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-24-1-00-094`
Alternative APN	`R0608221`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	4,167 sqft Living Area
Gross Area	5,563 sqft Gross Area
1st Floor	2,022 sqft 1st Floor
Basement Area	2,929 sqft Basement
Finished Basement	2,145 sqft Finished
Unfinished Basement	784 sqft Unfinished
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Other (not Classified) Roof
Lot Area	13,747 sqft (0.316 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	612 sqft Garage
Deck Area	737 sqft Deck

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0608221
Street Address	3370 4TH ST
City	BOULDER
State	CO
Zip	80304-1766
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	PARCEL 1 LOT LINE ELIMINATION BETWEEN ASSESSOR TRACTS 390 A1A & 390 A1B
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	LOT LINE ELIMINATION BETWEEN ASSESSOR TR
Legal Tract	390
Legal Block	2
Legal Lot Number	LINE
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2008
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-24-1-00-094

Assessment roll updated June 15, 2026 · Last verified June 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	3370 4TH ST, BOULDER, CO 80304-1766
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Date	Document
Jan 31, 2019	Deed of Trust, Mortgage · Adjustable Rate Mortgage (ARM) FIRST REPUBLIC BANK
Nov 07, 2018	Warranty Deed, Transfer HERITAGE TITLE COMPANY, HERITAGE TITLE CO.
Aug 29, 2017	Trustee's Deed, Construction Loan · Building or Construction Mortgage FIRST WSTRN TR BK

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 07, 2018 · Amount on Record
Deed Sale	Nov 07, 2018 · Amount on Record
Prior Sale	Feb 23, 1995 · Amount on Record
Deed Doc Number	20183684640
Record Refreshed	Sep 20, 2026

January 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3370 4TH ST, BOULDER, CO 80304-1766
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	HERITAGE TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003696250
Date	Jan 31, 2019
Instrument	3696250

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Adjustable Rate Mortgage (ARM)
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.2%
Type Change Date	Apr 01, 2024
Change Frequency	Annually
Min Rate At Change	2.65%
Index	1-Month LIBOR
Max Rate	10.9%

November 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 07, 2018
Property Address	3370 4TH ST, BOULDER, CO 80304-1766
Document Number	0003684640
Instrument Date	Nov 05, 2018
Instrument	3684640
Transaction Type	Transfer
Record Updated	Nov 20, 2018
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Tax	$360.00
Amount Accuracy	Confirmed
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	3370 4TH ST BOULDER CO 803041766, BOULDER, CO 80304-1766

August 2017: Trustee's Deed, Construction Loan

Document Type	Trustee's Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 29, 2017
Property Address	3370 4TH ST, BOULDER, CO 80304-1766
Instrument Date	Jul 14, 2017
Instrument	3611785
Transaction Type	Construction Loan
Record Updated	Mar 12, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1860 BLUEBELL AVE BOULDER CO 803028022, BOULDER, CO 80302-8022

Mortgage

Document Number	0003611785
Date	Aug 29, 2017
Instrument	3611785

Lender

Name	FIRST WSTRN TR BK
Type	Bank
Address	1155 CANYON BLVD # 300, BOULDER, CO 80302-5195

Agreement

Type	Building or Construction Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$312,780 (+8.8%) Land $138,346 Building $174,434	$4,599,700 (-) Land $2,034,500 Building $2,565,200
2025	$27,411.00 (+1.03%)	$287,481 (-9.56%) Land $127,156 Building $160,325	$4,599,700 (-3.04%) Land $2,034,500 Building $2,565,200
2023	$27,131.00 (+25.33%)	$317,855 (+36.35%) Land $140,928 Building $176,927	$4,744,100 (+41.44%) Land $2,103,400 Building $2,640,700
2022	$21,648.00	$233,117 Land $101,206 Building $131,911	$3,354,200 Land $1,456,200 Building $1,898,000

Flood & Wildfire

3370 4th St is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (High risk).

Flood

Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	High 76th percentile of exposed land nationally · 76th in Colorado
Wildfire Likelihood	High — about 1 in 180 per year
Exposure	Direct burnable vegetation at the parcel

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

3370 4th St, Boulder, CO 80304 Property Records

Property Highlights

Property Details

APN / Parcel Number

Interior

Exterior

Utilities and HVAC

Location & Zoning

Owner

Deeds, Mortgages & Sale History

Assessor's Deed Record

January 2019: Deed of Trust, Mortgage

Transferred To (Grantee/Buyer)

Mortgage

Lender

Agreement

Interest

November 2018: Warranty Deed, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

August 2017: Trustee's Deed, Construction Loan

Transferred To (Grantee/Buyer)

Mortgage

Lender

Agreement

Interest

Tax Assessment & Valuation

Property Jurisdictions

Tax Bill & Assessment History

Flood & Wildfire

Flood

Wildfire

Nearby Properties on 4th St

Nearby Streets

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