1405 Alpine Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1405 Alpine Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 5 ba · 4,386 sqft · built 1964
Lot Size	0.176 acres (7,682 sqft)
Owner	2 Company Names on Record
Last Sale	$1,540,000 (Aug 2016)
Tax Bill	$13,284 (2025)
Deeds & Mortgages	Jan 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1463-30-2-20-005`

Property Details

APN / Parcel Number

Primary APN	`1463-30-2-20-005`
Alternative APNs	`R0000380` `0000380`

Interior

Bedrooms	5 Beds
Full Baths	5 Baths
Half Baths	3 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	4,386 sqft Living Area
Gross Area	5,102 sqft
1st Floor Area	2,014 sqft
Upper Floors Area	1,120 sqft
Basement Area	1,392 sqft
Finished Basement	1,252 sqft
Unfinished Basement	140 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1964
Effective Year Built	Effective 2002
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,682 sqft (0.176 acres)
Garage Type	Attached
Garage Area	576 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	115 sqft
Deck Area	273 sqft
Patio Area	1,754 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0000380
Street Address	1405 ALPINE AVE
City	BOULDER
State	CO
Zip	80304-3505
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S 84.29 FT OF W 98 FT LOT 54 WOLFFS
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	WOLFFS - BO
Legal Block	1
Legal Lot Number	54
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1009
Census Tract	12106

Owner

Source: Boulder County records, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	1405 ALPINE AVE, BOULDER, CO 80304-3505
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 30, 2016 · Amount on Record
Deed Sale	Aug 30, 2016 · Amount on Record
Prior Sale	Oct 29, 2012 · Amount on Record
Deed Document Number	20163540201
Prior Transfer Date	Mar 3, 2006
Prior Transfer Doc	0002761378
Record Updated	Sep 20, 2026

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 15, 2020
Property Address	1405 ALPINE AVE, BOULDER, CO 80304-3505
Document Number	0003760520
Instrument Date	Jan 6, 2020
Instrument	3760520
Transaction Type	Transfer
Record Updated	Jan 31, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	1405 ALPINE AVE BOULDER CO 803043505, BOULDER, CO 80304-3505

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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		$151,586 (+8.8%) Land $61,880 Building $89,706	$2,229,200 (-) Land $910,000 Building $1,319,200
2025	$13,284.00 (+0.86%)	$139,325 (-9.27%) Land $56,875 Building $82,450	$2,229,200 (-2.74%) Land $910,000 Building $1,319,200
2024	$13,171.00 (+1.77%)
2023	$12,942.00 (+23.88%)	$153,557 (+36.49%) Land $59,308 Building $94,249	$2,291,900 (+41.58%) Land $885,200 Building $1,406,700
2022	$10,447.00	$112,506 Land $44,987 Building $67,519	$1,618,800 Land $647,300 Building $971,500

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 27 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	102 units insured incl. 75 condo units
Nearby Flood Claims	4 (2013–2023)
Most Recent Claim	Mar 2023 · other causes
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

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

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% 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