3550 Frontier Ave, Boulder, CO 80301 Property Records

Boulder County property record for 3550 Frontier Ave, Boulder, CO 80301

Property Summary

Property Type	Warehouse, Storage
Details	188,269 sqft · built 1968
Lot Size	10.7 acres (466,773 sqft)
Owner	Company Name on File
Last Sale	$10,000,000 (Feb 1999)
Tax Bill	$722,520 (2025)
Flood Zone	Zone AE (high risk)
APN	`1463-29-4-39-001`

Property Details

APN / Parcel Number

Primary APN	`1463-29-4-39-001`
Alternative APNs	`R0616272` `0001742`

Interior

Units	6 Units
Stories	1 Story
Building Area	188,269 sqft Gross Area
1st Floor Area	188,269 sqft

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1987
Construction Type	Steel Frame
Lot Area	466,773 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Package A/C
Heating System	HVAC

Location & Zoning

Account Number	R0616272
Street Address	3550 FRONTIER AVE
City	BOULDER
State	CO
Zip	80301-2430
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Legal Description	TR 53-C 7 TR E1 & TR 53 F LESS 1.914 AC TO HWY 29-1N-70 10.72 AC M/L R0001742 & R0001744 COMBINED HERE 2023
Legal Range	70
Legal Township	1N
Legal Section	29
Legal Subdivision	TR, 194-198 - COMMERCIAL
Legal Tract	53-C,53
Legal Block	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2009
Census Tract	12208

Owner

Source: Boulder County records · APN 1463-29-4-39-001

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	Company Name on File
Mailing Address	929 PEARL ST, 300, BOULDER, CO 80302-5355
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 26, 1999 · Amount on Record
Deed Sale	Feb 26, 1999 · Amount on Record
Deed Document Number	19991910372
Record Updated	Sep 20, 2026

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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$7,500,000 (-7.41%) Land $1,934,675 Building $5,565,325	$30,000,000 (-) Land $7,738,700 Building $22,261,300
2025	$722,520.00 (+6.45%)	$8,100,000 (+2.95%) Land $2,089,449 Building $6,010,551	$30,000,000 (+6.38%) Land $7,738,700 Building $22,261,300
2023	$678,732.00	$7,867,800 Land $2,355,569 Building $5,512,231	$28,200,000 Land $8,442,900 Building $19,757,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 36 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	36 in force
Nearby Flood Claims	2 (2013)
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 2 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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
Xfinity Cable	2,000 / 250
Live Wire Networks Fixed Wireless	250 / 100

May also be available: AT&T, Lumen Technologies, T-Mobile USA, Verizon.

Based on FCC filings for 73 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.