2323 4th St, Boulder, CO 80302 Property Records

Boulder County property record for 2323 4th St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.25 ba · 5,267 sqft · built 1978
Lot Size	0.459 acres (19,975 sqft)
Owner	Company Name on Record
Last Sale	$7,850,000 (May 2023)
Tax Bill	$27,389 (2025)
Deeds & Mortgages	May 2023 Sale & Mortgage May 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-25-3-06-001`

Property Details

APN / Parcel Number

Primary APN	`1461-25-3-06-001`
Alternative APNs	`R0004454` `0004454`

Interior

Bedrooms	5 Beds
Full Baths	4.25 Baths
Half Baths	5 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	5,267 sqft Living Area
1st Floor Area	2,020 sqft
Upper Floors Area	3,247 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1978
Effective Year Built	Effective 2010
Exterior Material	Combination
Construction Type	Frame
Roof Material	Concrete
Lot Area	19,975 sqft (0.459 acres)
Garage Type	Detached
Garage Area	810 sqft
Parking Spaces	4 Parking Spaces
Deck Area	1,492 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0004454
Street Address	2323 4TH ST
City	BOULDER
State	CO
Zip	80302-4711
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR
Legal Description	LOT 1A MAPLETON GROVE LOT LINE ADJUSTMENT PER REC# 2224152
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON GROVE - BO
Legal Block	1
Legal Lot Number	1A
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1015
Census Tract	12101

Owner

Source: Boulder County records, 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 Record
Mailing Address	2323 4TH ST, BOULDER, CO 80302-4711
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
May 9, 2023	Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
May 6, 2021	Special Warranty Deed, Transfer · Conventional Mortgage CHANGE LENDING LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 9, 2023 · Amount on Record
Deed Sale	May 9, 2023 · Amount on Record
Prior Sale	May 6, 2021 · Amount on Record
Deed Document Number	20234006734
Record Updated	Sep 20, 2026

May 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	May 9, 2023
Property Address	2323 4TH ST, BOULDER, CO 80302-4711
Document Number	0004006734
Instrument Date	May 9, 2023
Instrument	4006734
Transaction Type	Transfer
Record Updated	May 22, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$785.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2323 4TH ST, BOULDER, CO 80302-4711

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2323 4TH ST, BOULDER, CO 80302-4711

Mortgage

Document Number	0004006735
Date	May 9, 2023
Instrument	4006735

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Adjustable	Adjustable Rate Rider
Type Change Date	Jun 1, 2030
Change Frequency	6 Months
Min Rate At Change	3.25%
Max Rate At Change	7.25%
Index	Other
Max Rate	10.2%

May 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	May 6, 2021
Property Address	2323 4TH ST, BOULDER, CO 80302-4711
Document Number	0003883330
Map Reference	REC 2224152
Instrument Date	May 3, 2021
Instrument	3883330
Transaction Type	Transfer
Record Updated	Jun 7, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$276.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	2323 4TH ST, BOULDER, CO 80302-4711

Mortgage

Document Number	0003883331
Date	May 6, 2021
Instrument	3883331

Lender

Name	CHANGE LENDING LLC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2051

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		$312,535 (+8.8%) Land $161,949 Building $150,586	$4,596,100 (-) Land $2,381,600 Building $2,214,500
2025	$27,389.00 (+29.82%)	$287,256 (+15.83%) Land $148,850 Building $138,406	$4,596,100 (+24.17%) Land $2,381,600 Building $2,214,500
2023	$21,098.00 (-13.42%)	$247,994 (-5.5%) Land $154,355 Building $93,639	$3,701,400 (-1.97%) Land $2,303,800 Building $1,397,600
2022	$24,369.00	$262,425 Land $129,465 Building $132,960	$3,775,900 Land $1,862,800 Building $1,913,100

Assessed value is set for property tax purposes, not a market price estimate; it is 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
Nearest Special Flood Hazard Area	Zone A, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 12 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	16 units insured incl. 4 condo units
Nearby Flood Claims	3 (2013)
Claims Outside the SFHA	3 of 3
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

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

Wildfire Risk	High above 82% of the US · above 85% of Colorado
Wildfire Likelihood	0.8% 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 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 684 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
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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