840 6th St, Boulder, CO 80302 Property Records

Boulder County property record for 840 6th St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.75 ba · 4,869 sqft · built 1990
Lot Size	0.342 acres (14,899 sqft)
Owner	2 Individual Names on File
Last Sale	$675,000 (Mar 1998)
Tax Bill	$23,989 (2025)
Deeds & Mortgages	Feb 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-36-4-24-007`

Property Details

APN / Parcel Number

Primary APN	`1461-36-4-24-007`
Alternative APNs	`R0001921` `0001921`

Interior

Bedrooms	4 Beds
Full Baths	4.75 Baths
Half Baths	3 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	4,869 sqft Living Area
Gross Area	5,737 sqft
1st Floor Area	2,021 sqft
Upper Floors Area	1,850 sqft
Basement Area	1,286 sqft
Finished Basement	998 sqft
Unfinished Basement	288 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1995
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Lot Area	14,899 sqft (0.342 acres)
Garage Type	Attached
Garage Area	580 sqft
Parking Spaces	2 Parking Spaces
Deck Area	40 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0001921
Street Address	840 6TH ST
City	BOULDER
State	CO
Zip	80302-7419
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 21-22-23-24 LESS N 10 FT BLK 8 CHAUTAUQUA HEIGHTS
Legal Range	71
Legal Township	1N
Legal Section	36
Legal Subdivision	CHAUTAUQUA HEIGHTS - BO
Legal Block	8
Legal Lot Number	21
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3029
Census Tract	12201

Owner

Source: Boulder County records · APN 1461-36-4-24-007

Assessment roll updated June 15, 2026 · Last verified June 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 File
Mailing Address	840 6TH ST, BOULDER, CO 80302-7419
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 17, 1998 · Amount on Record
Deed Sale	Mar 17, 1998 · Amount on Record
Prior Sale	Sep 15, 1993 · Amount on Record
Deed Document Number	19981781699
Record Updated	Sep 20, 2026

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	840 6TH ST, BOULDER, CO 80302-7419
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003699608
Date	Feb 27, 2019
Instrument	3699608

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Mar 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.62%
Type Change Date	Mar 01, 2022
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.62%
Index	1-Year LIBOR
Max Rate	8.62%

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$273,741 (+8.8%) Land $147,703 Building $126,038	$4,025,600 (-) Land $2,172,100 Building $1,853,500
2025	$23,989.00 (+6.48%)	$251,600 (-4.9%) Land $135,756 Building $115,844	$4,025,600 (+1.94%) Land $2,172,100 Building $1,853,500
2023	$22,530.00 (+2.67%)	$264,577 (+11.96%) Land $140,057 Building $124,520	$3,948,900 (+16.14%) Land $2,090,400 Building $1,858,500
2022	$21,944.00	$236,307 Land $118,164 Building $118,143	$3,400,100 Land $1,700,200 Building $1,699,900

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122013, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	29 (1983–2025)
Claims Outside the SFHA	10 of 29
Most Recent Claim	Apr 2025 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 19 claims

Wildfire

Wildfire Risk	High above 74% of the US · above 72% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Magnolia Road Internet Cooperative, Verizon.

Based on FCC filings for 550 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107152, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF BOULDER serves 166,080 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.