2840 21st St, Boulder, CO 80304 Property Records

Boulder County property record for 2840 21st St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,175 sqft · built 1955
Lot Size	0.189 acres (8,252 sqft)
Owner	Individual Name on File
Last Sale	$807,500 (Mar 2019)
Tax Bill	$6,613 (2025)
Deeds & Mortgages	Mar 2019 Sale Sep 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-30-1-06-004`

Property Details

APN / Parcel Number

Primary APN	`1463-30-1-06-004`
Alternative APNs	`R0002498` `0002498`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,175 sqft Living Area
1st Floor Area	1,175 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1955
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	8,252 sqft (0.189 acres)
Garage Type	Carport
Garage Area	360 sqft
Carport	Carport
Carport Area	360 sqft
Parking Spaces	1 Parking Space
Patio Area	165 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0002498
Street Address	2840 21ST ST
City	BOULDER
State	CO
Zip	80304-2708
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 3 EDGEWOOD 1
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	EDGEWOOD 1 - BO
Legal Block	3
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2002
Census Tract	12107

Owner

2840 21st St is owned and occupied by an individual who bought it in March 2019.

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

Owner of Record	Individual Name on File
Mailing Address	2840 21ST ST, BOULDER, CO 80304-2708
Occupancy	Owner Occupied
Owner Type	Individual

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

Date	Document
Mar 15, 2019	Grant Deed, Transfer LAND TITLE GUARANTEE
Sep 14, 2017	Warranty Deed, Transfer · Commercial Mortgage FIRST WESTERN TRUST BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 15, 2019 · Amount on File
Deed Sale	Mar 15, 2019 · Amount on File
Prior Sale	Sep 14, 2017 · Amount on File
Deed Document Number	20193702427
Prior Transfer Date	Feb 11, 2000
Prior Transfer Doc	0002021134
Record Updated	Oct 29, 2026

March 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 15, 2019
Property Address	2840 21ST ST, BOULDER, CO 80304-2708
Document Number	0003702427
Instrument Date	Mar 14, 2019
Instrument	3702427
Transaction Type	Transfer
Record Updated	Mar 29, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Tax	$80.75
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2840 21ST ST BOULDER CO 803042708, BOULDER, CO 80304-2708

September 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 14, 2017
Property Address	2840 21ST ST, BOULDER, CO 80304-2708
Document Number	0003614711
Instrument Date	Sep 1, 2017
Instrument	3614711
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	HERITAGE TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$70.00
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
Address	1048 PEARL ST STE 440, 440, BOULDER, CO 80302-5481

Mortgage

Document Number	0003614712
Date	Sep 14, 2017
Instrument	3614712

Lender

Name	FIRST WESTERN TRUST BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 2840 21st St was $6,613, down 6% from the year before.

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		$70,700 (+1.94%) Land $59,378 Building $11,322	$1,109,700 (-) Land $943,200 Building $166,500
2025	$6,613.00 (-6.03%)	$69,356 Land $58,950 Building $10,406	$1,109,700 Land $943,200 Building $166,500
2024	$7,037.00 (+1.76%)
2023	$6,915.00 (+25.5%)	$83,764 (+41.16%) Land $62,424 Building $21,340	$1,250,200 (+46.43%) Land $931,700 Building $318,500
2022	$5,510.00	$59,339 Land $47,121 Building $12,218	$853,800 Land $678,000 Building $175,800

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 2840 21st 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 31 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	31 in force
Nearby Flood Claims	5 (2013)
Claims Outside the SFHA	2 of 5
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 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 2840 21st St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 98.8% of Colorado
Wildfire Likelihood	Under 0.01% 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 640 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

May also be available: AT&T.

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