850 Linden Ave, Boulder, CO 80304 Property Records

Boulder County property record for 850 Linden Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	6 bd · 5.25 ba · 4,737 sqft · built 1984
Lot Size	0.417 acres (18,158 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,670,000 (Jun 2017)
Tax Bill	$17,873 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Mar 2017 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1461-24-1-20-003`

Property Details

APN / Parcel Number

Primary APN	`1461-24-1-20-003`
Alternative APNs	`R0089776` `0089776`

Interior

Bedrooms	6 Beds
Full Baths	5.25 Baths
Half Baths	2 Half Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	4,737 sqft Living Area
Gross Area	5,407 sqft
1st Floor Area	1,536 sqft
Upper Floors Area	1,766 sqft
Basement Area	1,435 sqft
Finished Basement	1,435 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	18,158 sqft (0.417 acres)
Garage Type	Attached
Garage Area	670 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,012 sqft

Utilities, Heating & Cooling

Cooling System	Evaporative
Heating System	Hot Water

Location & Zoning

Account Number	R0089776
Street Address	850 LINDEN AVE
City	BOULDER
State	CO
Zip	80304-0723
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 3 APPLEGROVE
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	APPLEGROVE - BO
Legal Block	2
Legal Lot Number	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2000
Census Tract	12101

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	850 LINDEN AVE, BOULDER, CO 80304-0723
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 16, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC
Mar 9, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Jun 6, 2017	Warranty Deed, Transfer GUARANTEED RATE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 6, 2017 · Amount on Record
Deed Sale	Jun 6, 2017 · Amount on Record
Prior Sale	Apr 7, 2011 · Amount on Record
Deed Document Number	20173596341
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	850 LINDEN AVE, BOULDER, CO 80304-0723
Transaction Type	Mortgage
Record Updated	Feb 26, 2021
Title Company	RAVENSWOOD TITLE COMPANY LLC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003859053
Date	Feb 16, 2021
Instrument	3859053

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	850 LINDEN AVE, BOULDER, CO 80304-0723
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003579486
Date	Mar 9, 2017
Instrument	3579486

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	PATTERSON, GA 31557

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 24, 2047

Interest

Rate Type	Adjustable Rate

June 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 6, 2017
Property Address	850 LINDEN AVE, BOULDER, CO 80304-0723
Document Number	0003596341
Instrument Date	Jun 2, 2017
Instrument	3596341
Transaction Type	Transfer
Record Updated	Jun 15, 2017
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$167.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	850 LINDEN AVE BOULDER CO 803040723, BOULDER, CO 80304-0723

Mortgage

Document Number	3596342
Date	Jun 6, 2017
Instrument	3596342

Lender

Name	GUARANTEED RATE
Address	3940 N RAVENSWOOD AVE, CHICAGO, IL 60613-2420

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 5, 2047

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		$199,186 (+6.26%) Land $154,238 Building $44,948	$2,999,200 (-) Land $2,338,200 Building $661,000
2025	$17,873.00 (-2.02%)	$187,451 (-12.78%) Land $146,138 Building $41,313	$2,999,200 (-6.5%) Land $2,338,200 Building $661,000
2023	$18,242.00 (+33.37%)	$214,923 (+45.92%) Land $161,966 Building $52,957	$3,207,800 (+51.36%) Land $2,417,400 Building $790,400
2022	$13,678.00	$147,291 Land $116,315 Building $30,976	$2,119,300 Land $1,673,600 Building $445,700

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

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 63 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 in force
Nearby Flood Claims	25 (1990–2026)
Claims Outside the SFHA	17 of 25
Most Recent Claim	Jun 2026 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 16 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	Moderate above 62% of the US · above 50% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 527 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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