390 Linden Ave, Boulder, CO 80304 Property Records

Boulder County property record for 390 Linden Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	6 bd · 5.5 ba · 5,003 sqft · built 2016
Lot Size	0.688 acres (29,972 sqft)
Owner	2 Individual Names on File
Last Sale	$3,200,000 (Jul 2018)
Tax Bill	$38,296 (2025)
Deeds & Mortgages	Jul 2019 Loan Modification Jan 2019 Loan Modification + 1 more
Flood Zone	Zone AE (high risk)
APN	`1461-24-2-17-001`

Property Details

APN / Parcel Number

Primary APN	`1461-24-2-17-001`
Alternative APNs	`R0510366` `0510366`

Interior

Bedrooms	6 Beds
Full Baths	5.5 Baths
Half Baths	4 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	5,003 sqft Living Area
Gross Area	5,493 sqft
1st Floor Area	1,864 sqft
Upper Floors Area	1,675 sqft
Basement Area	1,464 sqft
Finished Basement	1,464 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2016
Effective Year Built	Effective 2016
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Other
Lot Area	29,972 sqft (0.688 acres)
Garage Type	Attached
Garage Area	490 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	94 sqft
Deck Area	468 sqft
Patio Area	2,041 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0510366
Street Address	390 LINDEN AVE
City	BOULDER
State	CO
Zip	80304-1025
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 CUNNINGHAM FARM & 1/3 INT OUTLOT A PER REC # 3665414 7/11/2018
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	CUNNINGHAM FARM
Legal Block	2
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2002
Census Tract	12101

Owner

390 Linden Ave is owned and occupied by two individuals who bought it in July 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	390 LINDEN AVE, BOULDER, CO 80304-1025
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

Date	Document
Jul 1, 2019	Loan Modification, Mortgage FIRSTBANK
Jan 1, 2019	Loan Modification, Mortgage FIRSTBANK
Jul 11, 2018	Grant Deed, Transfer · Line of Credit FIRSTBANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 11, 2018 · Amount on File
Deed Sale	Jul 11, 2018 · Amount on File
Deed Document Number	20183665414
Record Updated	Oct 29, 2026

July 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BOULDER CO
Property Address	390 LINDEN AVE, BOULDER, CO 80304-1025
Document Number	0003727092
Instrument Date	Jul 1, 2019
Transaction Type	Mortgage
Record Updated	Aug 8, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	390 LINDEN AVE BOULDER CO 803041025, BOULDER, CO 80304-1025

Mortgage

Document Number	0003727092
Date	Jul 31, 2019
Instrument	3727092

Lender

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

Agreement

Amount	Amount on Record
Term	12 Months
Due	Jul 30, 2020

January 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BOULDER CO
Property Address	390 LINDEN AVE, BOULDER, CO 80304-1025
Document Number	0003692786
Instrument Date	Jan 1, 2019
Transaction Type	Mortgage
Record Updated	Jan 15, 2019

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2816 9TH ST BOULDER CO 803043017, BOULDER, CO 80304-3017

Mortgage

Document Number	0003692786
Date	Jan 4, 2019
Instrument	3692786

Lender

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

Agreement

Amount	Amount on Record
Term	12 Months
Due	Jan 3, 2020

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 11, 2018
Property Address	390 LINDEN AVE, BOULDER, CO 80304-1025
Document Number	0003665414
Instrument Date	Jul 10, 2018
Instrument	3665414
Transaction Type	Transfer
Record Updated	Jul 20, 2018
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$320.00
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	390 LINDEN AVE BOULDER CO 803041025, BOULDER, CO 80304-1025

Mortgage

Document Number	3665416
Date	Jul 11, 2018
Instrument	3665416

Lender

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

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	12 Months
Due	Jul 10, 2019

Interest

Rate Type	Adjustable Rate

Mortgage

Document Number	3665415,
Date	Jul 11, 2018
Instrument	3665415

Lender

Name	FIRSTBANK
Type	Bank
Address	LAKEWOOD, CO 80215

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 10, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 390 Linden Ave was $38,296.

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		$364,942 (+7.4%) Land $219,286 Building $145,656	$5,436,800 (-) Land $3,294,800 Building $2,142,000
2025	$38,296.00	$339,800 Land $205,925 Building $133,875	$5,436,800 Land $3,294,800 Building $2,142,000
2023	$38,441.00 (+25.76%)	$374,329 (+35.1%) Land $225,984 Building $148,345	$5,587,000 (+40.14%) Land $3,372,900 Building $2,214,100
2022	$30,568.00	$277,083 Land $157,814 Building $119,269	$3,986,800 Land $2,270,700 Building $1,716,100

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 390 Linden Ave in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.

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	Yes
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File 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

Wildfire risk around 390 Linden Ave is high, ranking above 82% of the US, with a 0.8% annual chance of wildfire.

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

Wildfire Risk	High above 82% of the US · above 85% of Colorado
Wildfire Likelihood	0.8% 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 132 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

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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