5089 Flagstaff Rd, Boulder, CO 80302 Property Records

Boulder County property record for 5089 Flagstaff Rd, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,860 sqft · built 1981
Lot Size	47.6 acres (2,077,225 sqft)
Owner	2 Individual Names on File
Last Sale	$1,700,000 (Oct 2023)
Tax Bill	$9,119 (2025)
Deeds & Mortgages	Oct 2023 Sale Mar 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1579-00-0-00-012`

Property Details

APN / Parcel Number

Primary APN	`1579-00-0-00-012`
Alternative APNs	`R0081020` `0081020`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Half Baths	3 Half Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	3,860 sqft Living Area
Gross Area	4,468 sqft
1st Floor Area	2,490 sqft
Upper Floors Area	686 sqft
Basement Area	684 sqft
Finished Basement	684 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1981
Effective Year Built	Effective 1985
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Lot Area	2,077,225 sqft
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	4 Parking Spaces
Porch	Enclosed Porch
Porch Area	184 sqft
Deck Area	243 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0081020
Street Address	5089 FLAGSTAFF RD
City	BOULDER
State	CO
Zip	80302-9512
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	F
Legal Description	PT E1/2 E1/2 NE1/4 10-1S-71 & SW1/4 NW1/4 11-1S-71 TOTAL 49 ACS M/L
Legal Range	71
Legal Township	1S
Legal Section	10
Legal Subdivision	TR, NBR 910 WALKER RANCH AREA
Legal Block	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3014
Census Tract	12505

Owner

Source: Boulder County records · APN 1579-00-0-00-012

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	5089 FLAGSTAFF RD, BOULDER, CO 80302-9512
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Oct 10, 2023	Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY
Mar 01, 2018	Personal Representative Deed, Transfer · Commercial Mortgage FLATIRONS BANK

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 10, 2023 · Amount on Record
Deed Sale	Oct 10, 2023 · Amount on Record
Prior Sale	Mar 01, 2018 · Amount on Record
Deed Document Number	20234024475
Prior Transfer Date	Oct 04, 2007
Prior Transfer Doc	0002887733
Record Updated	Sep 20, 2026

October 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 10, 2023
Property Address	5089 FLAGSTAFF RD, BOULDER, CO 80302-9512
Document Number	0004024475
Instrument Date	Oct 06, 2023
Instrument	4024475
Transaction Type	Transfer
Record Updated	Nov 08, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount Recorded
Tax	$170.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	5089 FLAGSTAFF RD, BOULDER, CO 80302-9512

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5089 FLAGSTAFF RD, BOULDER, CO 80302-9512

March 2018: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 01, 2018
Property Address	5089 FLAGSTAFF RD, BOULDER, CO 80302-9512
Document Number	0003643084
Instrument Date	Mar 01, 2018
Instrument	3643084
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

Amount	Amount Recorded
Tax	$99.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5097 FLAGSTAFF RD, BOULDER, CO 80302-9512

Mortgage

Document Number	0003643085
Date	Mar 01, 2018
Instrument	3643085

Lender

Name	FLATIRONS BANK
Type	Bank
Address	BOULDER, CO 80302

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 01, 2048

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
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		$99,171 (+8.8%) Land $32,667 Building $66,504	$1,458,400 (-) Land $480,400 Building $978,000
2025	$9,119.00 (-4.56%)	$91,150 (-16.08%) Land $30,025 Building $61,125	$1,458,400 (-10.04%) Land $480,400 Building $978,000
2023	$9,555.00 (+21.41%)	$108,614 (+34.79%) Land $43,798 Building $64,816	$1,621,100 (+39.82%) Land $653,700 Building $967,400
2022	$7,870.00	$80,579 Land $21,997 Building $58,582	$1,159,400 Land $316,500 Building $842,900

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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	7 in force
Nearby Flood Claims	6 (1980–2013)
Claims Outside the SFHA	5 of 6
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 4 claims

Wildfire

Wildfire Risk	Extreme above 97.2% of the US · above 99.1% of Colorado
Wildfire Likelihood	2% annual chance
Exposure	Direct burnable vegetation at the parcel

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

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
Starlink Satellite	280 / 30
Visionary Communications Fixed Wireless	100 / 20

May also be available: JAB Wireless.

Based on FCC filings for 5 locations within half a mile of this property.

Cell Coverage

5G and 4G LTE (outdoors only)

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