3368 Sentinel Dr, Boulder, CO 80301 Property Records

Boulder County property record for 3368 Sentinel Dr, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,353 sqft · built 1990
Lot Size	0.16 acres (6,984 sqft)
Owner	2 Individual Names on File
Last Sale	$424,000 (Aug 2009)
Tax Bill	$6,400 (2025)
Deeds & Mortgages	Mar 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-21-3-07-045`

Property Details

APN / Parcel Number

Primary APN	`1463-21-3-07-045`
Alternative APNs	`R0087747` `0087747`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	3 Half Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,353 sqft Living Area
Gross Area	2,919 sqft
1st Floor Area	802 sqft
Upper Floors Area	917 sqft
Basement Area	802 sqft
Finished Basement	634 sqft
Unfinished Basement	168 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1998
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	6,984 sqft (0.16 acres)
Garage Type	Attached
Garage Area	398 sqft
Parking Spaces	1 Parking Space
Patio Area	112 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0087747
Street Address	3368 SENTINEL DR
City	BOULDER
State	CO
Zip	80301-5466
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 45 BLK 1 NORTHCREEK SUB
Legal Range	70
Legal Township	1N
Legal Section	21
Legal Subdivision	NORTHCREEK SUBDIVISION - BO
Legal Block	1
Legal Lot Number	45
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2008
Census Tract	12207

Owner

Source: Boulder County records · APN 1463-21-3-07-045

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	3368 SENTINEL DR, BOULDER, CO 80301-5466
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 05, 2009 · Amount on Record
Deed Sale	Aug 05, 2009 · Amount on Record
Prior Sale	Apr 27, 2006 · Amount on Record
Deed Document Number	20093021332
Last Transfer Date	Dec 11, 2017
Transfer Doc	0003632466
Record Updated	Sep 20, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3368 SENTINEL DR, BOULDER, CO 80301-5466
Transaction Type	Mortgage
Record Updated	Mar 10, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003863708
Date	Mar 02, 2021
Instrument	3863708

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Mar 01, 2036

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		$73,032 (+8.8%) Land $43,255 Building $29,777	$1,074,000 (-) Land $636,100 Building $437,900
2025	$6,400.00 (-3.64%)	$67,125 (-16.72%) Land $39,756 Building $27,369	$1,074,000 (-10.72%) Land $636,100 Building $437,900
2023	$6,642.00 (+20.52%)	$80,601 (+35.8%) Land $38,076 Building $42,525	$1,203,000 (+40.87%) Land $568,300 Building $634,700
2022	$5,511.00	$59,353 Land $32,345 Building $27,008	$854,000 Land $465,400 Building $388,600

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 X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 20 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	20 in force

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 84% of Colorado
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond 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 · Fiber in parts of the area	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
Lumen Technologies DSL · Fiber in parts of the area	140 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 108 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.