2921 4th St, Boulder, CO 80304 Property Records

Boulder County property record for 2921 4th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 5.25 ba · 4,046 sqft · built 2017
Lot Size	0.145 acres (6,306 sqft)
Owner	2 Individual Names on File
Last Sale	$2,600,000 (Jan 2020)
Tax Bill	$18,820 (2025)
Deeds & Mortgages	Jan 2020 Sale & Mortgage Jan 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-25-2-01-007`

Property Details

APN / Parcel Number

Primary APN	`1461-25-2-01-007`
Alternative APNs	`R0006091` `0006091`

Interior

Bedrooms	5 Beds
Full Baths	5.25 Baths
Half Baths	5 Half Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	4,046 sqft Living Area
Gross Area	4,119 sqft
1st Floor Area	1,480 sqft
Upper Floors Area	1,158 sqft
Basement Area	1,481 sqft
Finished Basement	1,408 sqft
Unfinished Basement	73 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Other
Lot Area	6,306 sqft (0.145 acres)
Garage Type	Detached
Garage Area	494 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	79 sqft
Deck Area	205 sqft
Patio Area	545 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0006091
Street Address	2921 4TH ST
City	BOULDER
State	CO
Zip	80304-3044
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 21-22 BLK 46 NEWLANDS
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	NEWLANDS - BO
Legal Block	46
Legal Lot Number	21
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3024
Census Tract	12101

Owner

2921 4th St is owned and occupied by two individuals who bought it in January 2020.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	2921 4TH ST, BOULDER, CO 80304-3044
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 2, 2020	Warranty Deed, Transfer · Conventional Mortgage UBS BANK USA
Jan 20, 2017	Quit Claim Deed, Transfer ELEVATIONS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 2, 2020 · Amount on File
Deed Sale	Jan 2, 2020 · Amount on File
Prior Sale	Aug 2, 2016 · Amount on File
Deed Document Number	20203758113
Prior Transfer Date	Jan 18, 2017
Prior Transfer Doc	0003570167
Record Updated	Oct 29, 2026

January 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 2, 2020
Property Address	2921 4TH ST, BOULDER, CO 80304-3044
Document Number	0003758113
Instrument Date	Dec 31, 2019
Instrument	3758113
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$260.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2921 4TH ST, BOULDER, CO 80304-3044

Mortgage

Document Number	0003758114
Date	Jan 2, 2020
Instrument	3758114

Lender

Name	UBS BANK USA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	3%
Adjustable	Adjustable Rate Rider
Type Change Date	Jan 1, 2030
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8%
Index	1-Year LIBOR
Max Rate	8%

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 20, 2017
Property Address	2921 4TH ST, BOULDER, CO 80304-3044
Document Number	0003570167
Instrument Date	Jan 18, 2017
Instrument	3570167
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1035 PEARL ST, BOULDER, CO 80302-5130

Mortgage

Document Number	0003570169
Date	Jan 20, 2017
Instrument	3570169

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	ATCO, NJ 08004

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 2921 4th St was $18,820.

Source: Boulder County assessment roll, as of September 18, 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		$209,998 (+6.39%) Land $88,938 Building $121,060	$3,158,200 (-) Land $1,377,900 Building $1,780,300
2025	$18,820.00	$197,388 Land $86,119 Building $111,269	$3,158,200 Land $1,377,900 Building $1,780,300
2023	$18,857.00 (+15.96%)	$222,045 (+26.8%) Land $95,448 Building $126,597	$3,314,100 (+31.53%) Land $1,424,600 Building $1,889,500
2022	$16,262.00	$175,119 Land $68,541 Building $106,578	$2,519,700 Land $986,200 Building $1,533,500

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 2921 4th St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1995.

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 File median of 14 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	14 in force
Nearby Flood Claims	4 (1995–2013)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 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

Wildfire risk around 2921 4th St is high, ranking above 75% of the US, with a 0.5% annual chance of wildfire.

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

Wildfire Risk	High above 75% of the US · above 74% of Colorado
Wildfire Likelihood	0.5% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: T-Mobile.

Nearby Properties on 4th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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