3551 4th St, Boulder, CO 80304 Property Records

Boulder County property record for 3551 4th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 5,362 sqft · built 1993
Lot Size	0.388 acres (16,887 sqft)
Owner	2 Individual Names on Record
Last Sale	$8,000,000 (Aug 2026)
Tax Bill	$26,567 (2025)
Deeds & Mortgages	Aug 2026 Sale & Mortgage Jan 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-24-2-12-003`

Property Details

APN / Parcel Number

Primary APN	`1461-24-2-12-003`
Alternative APNs	`R0111689` `0111689`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	5,362 sqft Living Area
Gross Area	6,581 sqft
1st Floor Area	2,108 sqft
Upper Floors Area	1,978 sqft
Basement Area	1,399 sqft
Finished Basement	1,276 sqft
Unfinished Basement	123 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1993
Effective Year Built	Effective 2005
Exterior Material	Brick Veneer
Construction Type	Frame
Roof Material	Concrete
Lot Area	16,887 sqft (0.388 acres)
Garage Type	Attached
Garage Area	1,096 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0111689
Street Address	3551 4TH ST
City	BOULDER
State	CO
Zip	80304-1703
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 3 & UND 1/4 INT OUTLOT A SILVER LAKE
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	SILVER LAKE SUB - BO
Legal Block	2
Legal Lot Number	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2010
Census Tract	12101

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	3555 4TH ST, BOULDER, CO 80304-1703
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2026	Warranty Deed, Transfer · Conventional Mortgage HERITAGE TITLE LT, HERITAGE TITLE
Jan 10, 2018	Warranty Deed, Transfer · ARM WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 3, 2026 · Amount on Record
Deed Sale	Aug 3, 2026 · Amount on Record
Prior Sale	Jan 10, 2018 · Amount on Record
Deed Document Number	20264142189
Prior Transfer Date	Aug 8, 2013
Prior Transfer Doc	0003336905
Record Updated	Oct 29, 2026

August 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 3, 2026
Property Address	3551 4TH ST, BOULDER, CO 80304-1703
Document Number	0004142189
Instrument Date	Jul 30, 2026
Instrument	20264142189
Transaction Type	Transfer
Record Updated	Aug 13, 2026
Title Company	HERITAGE TITLE LT, HERITAGE TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$80,800.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3555 4TH ST, BOULDER, CO 80304-1703

Mortgage

Document Number	0004142190,
Date	Aug 3, 2026
Instrument	20264142190

Lender

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	107 Months
Due	Jul 28, 2035

Interest

Rate	4.5%
Max Rate	-1%

January 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 10, 2018
Property Address	3551 4TH ST, BOULDER, CO 80304-1703
Document Number	0003635450
Instrument Date	Jan 8, 2017
Instrument	3635450
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$269.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	BOULDER, CO 00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3551 4TH ST, BOULDER, CO 80304-1703

Mortgage

Document Number	0003635451
Date	Jan 10, 2018
Instrument	3635451

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Feb 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year LIBOR
Max Rate	7.87%

Tax Assessment & Valuation

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		$298,398 (+7.09%) Land $148,574 Building $149,824	$4,458,200 (-) Land $2,254,900 Building $2,203,300
2025	$26,567.00 (-0.29%)	$278,637 (-10.76%) Land $140,931 Building $137,706	$4,458,200 (-4.33%) Land $2,254,900 Building $2,203,300
2023	$26,645.00 (+23.8%)	$312,233 (+34.72%) Land $156,190 Building $156,043	$4,660,200 (+39.75%) Land $2,331,200 Building $2,329,000
2022	$21,522.00	$231,762 Land $112,166 Building $119,596	$3,334,700 Land $1,613,900 Building $1,720,800

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 AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 63 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 in force
Nearby Flood Claims	25 (1990–2026)
Claims Outside the SFHA	17 of 25
Most Recent Claim	Jun 2026 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 16 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 85% of the US · above 89% of Colorado
Wildfire Likelihood	1% 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 431 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	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.

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