4125 Riverside Ave, Boulder, CO 80304 Property Records

Boulder County property record for 4125 Riverside Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,068 sqft · built 1983
Lot Size	0.046 acres (2,016 sqft)
Owner	Company Name on Record
Last Sale	$615,000 (Jun 2019)
Tax Bill	$4,520 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Sep 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1463-18-3-35-004`

Property Details

APN / Parcel Number

Primary APN	`1463-18-3-35-004`
Alternative APNs	`R0094448` `0094448`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,068 sqft Living Area
Gross Area	1,248 sqft
1st Floor Area	416 sqft
Upper Floors Area	416 sqft
Basement Area	236 sqft
Finished Basement	236 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	2,016 sqft (0.046 acres)
Garage Type	Attached
Garage Area	180 sqft
Deck Area	91 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0094448
Street Address	4125 RIVERSIDE AVE
City	BOULDER
State	CO
Zip	80304-1127
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 31B WILDWOOD REPLAT B
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	WILDWOOD REPLAT B - BO
Legal Block	3
Legal Lot Number	31B
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3001
Census Tract	12105

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	Company Name on Record
Mailing Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Feb 24, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION
Sep 10, 2020	Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION
May 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION
Jun 4, 2019	Warranty Deed, Transfer · Conventional Mortgage HOME POINT FINANCIAL CORPORATION

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 4, 2019 · Amount on Record
Deed Sale	Jun 4, 2019 · Amount on Record
Prior Sale	Jun 26, 2013 · Amount on Record
Deed Document Number	20193716212
Prior Transfer Date	Jul 2, 2013
Prior Transfer Doc	0003324820
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127
Transaction Type	Mortgage
Record Updated	Mar 5, 2021
Title Company	FITCO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003862024
Date	Feb 24, 2021
Instrument	3862024

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company
Address	PARSIPPANY, NJ 07054

Agreement

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

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003813943
Date	Sep 10, 2020
Instrument	3813943

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company
Address	PARSIPPANY, NJ 07054

Agreement

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

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003781735
Date	May 4, 2020
Instrument	3781735

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company
Address	PARSIPPANY, NJ 07054

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Mar 1, 2050

June 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 4, 2019
Property Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127
Document Number	0003716212
Instrument Date	Jun 4, 2019
Instrument	3716212
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	8Z TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$61.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4125 RIVERSIDE AVE, BOULDER, CO 80304-1127

Mortgage

Document Number	0003716213
Date	Jun 4, 2019
Instrument	3716213

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2049

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		$46,825 (-1.24%) Land $18,149 Building $28,676	$758,600 (-) Land $336,900 Building $421,700
2025	$4,520.00 (+5.31%)	$47,412 (-11.2%) Land $21,056 Building $26,356	$758,600 (-4.81%) Land $336,900 Building $421,700
2023	$4,292.00 (+11.89%)	$53,393 (+29.23%) Land $21,735 Building $31,658	$796,900 (+34.05%) Land $324,400 Building $472,500
2022	$3,836.00	$41,317 Land $17,611 Building $23,706	$594,500 Land $253,400 Building $341,100

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
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 32 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	32 in force
Nearby Flood Claims	26 (2005–2015)
Claims Outside the SFHA	10 of 26
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 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 46% of the US · lower than 71% of Colorado
Wildfire Likelihood	0.08% 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 460 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

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