3021 11th St, Boulder, CO 80304 Property Records

Boulder County property record for 3021 11th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,276 sqft · built 1964
Lot Size	0.133 acres (5,796 sqft)
Owner	2 Individual Names on File
Last Sale	$1,500,000 (Oct 2021)
Tax Bill	$10,961 (2025)
Deeds & Mortgages	Oct 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-24-4-06-014`

Property Details

APN / Parcel Number

Primary APN	`1461-24-4-06-014`
Alternative APNs	`R0004221` `0004221`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,276 sqft Living Area
1st Floor Area	1,334 sqft
Upper Floors Area	942 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1995
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	5,796 sqft (0.133 acres)
Garage Type	Detached
Garage Area	300 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	130 sqft
Patio Area	348 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0004221
Street Address	3021 11TH ST
City	BOULDER
State	CO
Zip	80304-2525
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 29 LESS S 2 FT & ALL LOT 30 BLK 7 NEWLANDS
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	NEWLANDS - BO
Legal Block	7
Legal Lot Number	29
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3001
Census Tract	12101

Owner

3021 11th St is owned and occupied by two individuals who bought it in October 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	3021 11TH ST, BOULDER, CO 80304-2525
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 4, 2021 · Amount on File
Deed Sale	Oct 4, 2021 · Amount on File
Prior Sale	Apr 29, 2003 · Amount on File
Deed Document Number	20213917961
Record Updated	Oct 29, 2026

October 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 4, 2021
Property Address	3021 11TH ST, BOULDER, CO 80304-2525
Document Number	0003917961
Instrument Date	Sep 30, 2021
Instrument	3917961
Transaction Type	Transfer
Record Updated	Oct 27, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$150.00
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	3021 11TH ST, BOULDER, CO 80304-2525

Mortgage

Document Number	0003917962
Date	Oct 4, 2021
Instrument	3917962

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 3021 11th St was $10,961.

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		$120,312 (+4.66%) Land $85,068 Building $35,244	$1,839,300 (-) Land $1,321,000 Building $518,300
2025	$10,961.00	$114,957 Land $82,563 Building $32,394	$1,839,300 Land $1,321,000 Building $518,300
2023	$9,604.00 (+7.04%)	$114,898 (+18.92%) Land $91,502 Building $23,396	$1,714,900 (+23.36%) Land $1,365,700 Building $349,200
2022	$8,972.00	$96,619 Land $65,712 Building $30,907	$1,390,200 Land $945,500 Building $444,700

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

FEMA maps place 3021 11th St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 File median of 14 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	14 in force
Nearby Flood Claims	4 (1995–2013)
Claims Outside the SFHA	4 of 4
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

Wildfire risk around 3021 11th St is low, with a 0.05% annual chance of wildfire.

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

Wildfire Risk	Low lower than 64% of the US · lower than 81% of Colorado
Wildfire Likelihood	0.05% 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 596 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
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20