3781 26th St, Boulder, CO 80304 Property Records

Boulder County property record for 3781 26th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.75 ba · 3,221 sqft · built 1945
Lot Size	0.699 acres (30,466 sqft)
Owner	2 Individual Names on Record
Tax Bill	$11,106 (2025)
Deeds & Mortgages	May 2019 Mortgage May 2019 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1463-19-1-27-001`

Property Details

APN / Parcel Number

Primary APN	`1463-19-1-27-001`
Alternative APNs	`R0033242` `0033242`

Interior

Bedrooms	3 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,221 sqft Living Area
1st Floor Area	2,142 sqft
Upper Floors Area	629 sqft
Basement Area	450 sqft
Finished Basement	450 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1985
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	30,466 sqft (0.699 acres)
Garage Type	Detached
Garage Area	364 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	222 sqft
Patio Area	110 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0033242
Street Address	3781 26TH ST
City	BOULDER
State	CO
Zip	80304-1323
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 AND 1/6 INT IN OUTLOT C KELLER FARM SUBDIVISION
Legal Range	70
Legal Township	1N
Legal Section	19
Legal Subdivision	KELLER FARM SUB & P U D - BO
Legal Block	1
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1000
Census Tract	12103

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	3781 26TH ST, BOULDER, CO 80304-1323
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 23, 2019	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
May 23, 2019	Deed of Trust, Mortgage · Line of Credit US BANK NA
Aug 16, 2018	Deed of Trust, Mortgage · Commercial Mortgage US BANK NA
Jul 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Mar 31, 2018	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN FINANCING

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 3, 1988
Deed Sale	Aug 3, 1988
Prior Sale	Apr 21, 1988
Deed Document Number	1988933781
Record Updated	Oct 29, 2026

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3781 26TH ST, BOULDER, CO 80304-1323
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CANYON TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003713825
Date	May 23, 2019
Instrument	3713825

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

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

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3781 26TH ST, BOULDER, CO 80304-1323
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	CANYON TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003713826
Date	May 23, 2019
Instrument	3713826

Lender

Name	US BANK NA
Type	Bank
Address	FARGO, ND 58103

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	May 14, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3781 26TH ST, BOULDER, CO 80304-1323
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003671602
Date	Aug 16, 2018
Instrument	3671602

Lender

Name	US BANK NA
Type	Bank
Address	DENVER, CO 80206

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 17, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3781 26TH ST, BOULDER, CO 80304-1323
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CANYON TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003799426
Date	Jul 21, 2020
Instrument	3799426

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

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

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3781 26TH ST, BOULDER, CO 80304-1323
Document Number	0003649691
Instrument Date	Mar 31, 2018
Transaction Type	Mortgage
Record Updated	Apr 16, 2018
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3781 26TH ST BOULDER CO 803041323, BOULDER, CO 80304-1323

Mortgage

Document Number	0003649691
Date	Apr 9, 2018
Instrument	3649691

Lender

Name	AMERICAN FINANCING
Type	Funding / Finance Company
Address	AURORA, CO 80014

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 8, 2048

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		$128,772 (+4.92%) Land $70,176 Building $58,596	$1,963,700 (-) Land $1,102,000 Building $861,700
2025	$11,106.00 (-1.5%)	$122,731 (-12.92%) Land $68,875 Building $53,856	$1,963,700 (-6.65%) Land $1,102,000 Building $861,700
2023	$11,275.00 (+33.05%)	$140,948 (+54.46%) Land $72,045 Building $68,903	$2,103,700 (+60.22%) Land $1,075,300 Building $1,028,400
2022	$8,474.00	$91,253 Land $58,491 Building $32,762	$1,313,000 Land $841,600 Building $471,400

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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 18 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	18 in force
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	Low lower than 66% of the US · lower than 83% of Colorado
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

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 341 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
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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