4220 Greenbriar Blvd, Boulder, CO 80305 Property Records

Boulder County property record for 4220 Greenbriar Blvd, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.25 ba · 1,796 sqft · built 1976
Lot Size	0.047 acres (2,061 sqft)
Owner	Company Name on File
Last Sale	$405,000 (Sep 2009)
Tax Bill	$5,282 (2025)
Deeds & Mortgages	Aug 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1577-17-1-01-024`

Property Details

APN / Parcel Number

Primary APN	`1577-17-1-01-024`
Alternative APNs	`R0066322` `0066322`

Interior

Bedrooms	4 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	7 Rooms
Building Area	1,796 sqft Living Area
Gross Area	2,016 sqft
1st Floor Area	590 sqft
Upper Floors Area	630 sqft
Basement Area	576 sqft
Finished Basement	576 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1995
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	2,061 sqft (0.047 acres)
Garage Type	Attached
Garage Area	220 sqft
Parking Spaces	1 Parking Space
Deck Area	80 sqft

Utilities, Heating & Cooling

Heating Fuel	Electric

Location & Zoning

Account Number	R0066322
Street Address	4220 GREENBRIAR BLVD
City	BOULDER
State	CO
Zip	80305-7049
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 24 SHANAHAN RIDGE 2
Legal Range	70
Legal Township	1S
Legal Section	17
Legal Subdivision	SHANAHAN RIDGE 2 - BO
Legal Block	3
Legal Lot Number	24
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3001
Census Tract	12510

Owner

Source: Boulder County records · APN 1577-17-1-01-024

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	661 BRENNAN CIR, ERIE, CO 80516-7045
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 01, 2009 · Amount on Record
Deed Sale	Sep 01, 2009 · Amount on Record
Prior Sale	Mar 05, 2004 · Amount on Record
Deed Document Number	20093027519
Last Transfer Date	Aug 14, 2015
Transfer Doc	0003471877
Record Updated	Sep 20, 2026

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4220 GREENBRIAR BLVD, BOULDER, CO 80305-7049
Transaction Type	Mortgage
Record Updated	Jul 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003670675
Date	Aug 10, 2018
Instrument	3670675

Lender

Name	GUARANTY BANK & TRUST CO
Type	Bank
Address	DENVER, CO 80217

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	120 Months
Due	Aug 06, 2028

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$59,357 (+8.8%) Land $32,762 Building $26,595	$872,900 (-) Land $481,800 Building $391,100
2025	$5,282.00 (+0.32%)	$54,557 (-13%) Land $30,113 Building $24,444	$872,900 (-6.73%) Land $481,800 Building $391,100
2024	$5,265.00 (+1.82%)
2023	$5,171.00 (+5.77%)	$62,706 (+20.96%) Land $34,579 Building $28,127	$935,900 (+25.47%) Land $516,100 Building $419,800
2022	$4,889.00	$51,840 Land $26,674 Building $25,166	$745,900 Land $383,800 Building $362,100

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 X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 17 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	17 in force
Nearby Flood Claims	5 (1978–2013)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Wildfire

Wildfire Risk	High above 72% of the US · above 69% of Colorado
Wildfire Likelihood	0.5% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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
Lumen Technologies Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Verizon.

Based on FCC filings for 240 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.