3852 26th St, Boulder, CO 80304 Property Records

Boulder County property record for 3852 26th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 4,504 sqft · built 1988
Lot Size	0.521 acres (22,679 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,450,000 (Oct 2019)
Tax Bill	$17,072 (2025)
Deeds & Mortgages	Jul 2018 Mortgage Nov 2019 Mortgage + 3 more
Flood Zone	Zone AE (high risk)
APN	`1463-17-3-23-002`

Property Details

APN / Parcel Number

Primary APN	`1463-17-3-23-002`
Alternative APNs	`R0078025` `0078025`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	4,504 sqft Living Area
Gross Area	6,542 sqft
1st Floor Area	2,298 sqft
Upper Floors Area	1,466 sqft
Basement Area	2,298 sqft
Finished Basement	740 sqft
Unfinished Basement	1,558 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1988
Effective Year Built	Effective 2008
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	22,679 sqft (0.521 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	66 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0078025
Street Address	3852 26TH ST
City	BOULDER
State	CO
Zip	80304-1326
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 MTUNZINI SPLIT SEE ID 33447
Legal Range	70
Legal Township	1N
Legal Section	17
Legal Subdivision	MTUNZINI SUB - BO
Legal Block	3
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3005
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	3852 26TH ST, BOULDER, CO 80304-1326
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 31, 2018	Deed of Trust, Mortgage · Commercial Mortgage US BANK NA
Nov 18, 2019	Deed of Trust, Mortgage FIRSTBANK
Nov 18, 2019	Deed of Trust, Mortgage · Line of Credit FIRSTBANK
Oct 18, 2019	Warranty Deed, Transfer · Construction Mortgage FIRSTBANK
Apr 12, 2017	Warranty Deed, Transfer · ARM US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 18, 2019 · Amount on Record
Deed Sale	Oct 18, 2019 · Amount on Record
Prior Sale	Apr 12, 2017 · Amount on Record
Deed Document Number	20193743379
Prior Transfer Date	Feb 28, 1994
Prior Transfer Doc	0001399710
Record Updated	Oct 29, 2026

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3852 26TH ST, BOULDER, CO 80304-1326
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003668482
Date	Jul 31, 2018
Instrument	3668482

Lender

Name	US BANK NA
Type	Bank
Address	DENVER, CO 80206

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2048

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3852 26TH ST, BOULDER, CO 80304-1326
Document Number	0003751324
Instrument Date	Nov 18, 2019
Transaction Type	Mortgage
Record Updated	Dec 10, 2019
Title Company	LAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3852 26TH ST BOULDER CO 803041326, BOULDER, CO 80304-1326

Mortgage

Document Number	0003751324
Date	Nov 27, 2019
Instrument	3751324

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Nov 26, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.25%

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3852 26TH ST, BOULDER, CO 80304-1326
Document Number	0003752541
Instrument Date	Nov 18, 2019
Transaction Type	Mortgage
Record Updated	Dec 16, 2019
Title Company	LAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3852 26TH ST BOULDER CO 803041326, BOULDER, CO 80304-1326

Mortgage

Document Number	0003752541
Date	Dec 4, 2019
Instrument	3752541

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	120 Months
Due	Dec 3, 2029

Interest

Rate Type	Adjustable Rate
Rate	4.75%

October 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 18, 2019
Property Address	3852 26TH ST, BOULDER, CO 80304-1326
Document Number	0003743379
Instrument Date	Oct 17, 2019
Instrument	3743379
Transaction Type	Transfer
Record Updated	Oct 28, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$245.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	3852 26TH ST BOULDER CO 803041326, BOULDER, CO 80304-1326

Mortgage

Document Number	3743380
Date	Oct 18, 2019
Instrument	3743380

Lender

Name	FIRSTBANK
Type	Bank
Address	12345 W COLFAX AVE, LAKEWOOD, CO 80215-3742

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	12 Months
Due	Oct 17, 2020

April 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 12, 2017
Property Address	3852 26TH ST, BOULDER, CO 80304-1326
Document Number	0003585861
Instrument Date	Apr 7, 2017
Instrument	3585861
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$180.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3852 26TH ST, BOULDER, CO 80304-1326

Mortgage

Document Number	0003585862
Date	Apr 12, 2017
Instrument	3585862

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Type Change Date	May 1, 2022
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	5.25%
Index	1-Year CMT
Max Rate	8.25%

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		$190,046 (+6.14%) Land $55,338 Building $134,708	$2,864,800 (-) Land $883,800 Building $1,981,000
2025	$17,072.00 (+5.8%)	$179,051 (-6.03%) Land $55,238 Building $123,813	$2,864,800 (+0.74%) Land $883,800 Building $1,981,000
2023	$16,136.00 (+12.04%)	$190,535 (+22.85%) Land $63,295 Building $127,240	$2,843,800 (+27.43%) Land $944,700 Building $1,899,100
2022	$14,402.00	$155,096 Land $53,932 Building $101,164	$2,231,600 Land $776,000 Building $1,455,600

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 AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 28 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	58 units insured incl. 30 condo units
Nearby Flood Claims	18 (1995–2022)
Claims Outside the SFHA	9 of 18
Most Recent Claim	Oct 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 15 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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