450 Gregory Ln, Boulder, CO 80302 Property Records

Boulder County property record for 450 Gregory Ln, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.25 ba · 3,560 sqft · built 2001
Lot Size	0.274 acres (11,954 sqft)
Owner	2 Individual Names on File
Last Sale	$2,545,000 (Aug 2019)
Tax Bill	$22,400 (2025)
Deeds & Mortgages	Aug 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-36-4-39-002`

Property Details

APN / Parcel Number

Primary APN	`1461-36-4-39-002`
Alternative APNs	`R0105263` `0105263`

Interior

Bedrooms	3 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	7 Rooms
Building Area	3,560 sqft Living Area
Gross Area	4,102 sqft
1st Floor Area	1,550 sqft
Upper Floors Area	637 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Split Level
Exterior Material	Combination
Construction Type	Frame
Roof Material	Other
Lot Area	11,954 sqft (0.274 acres)
Garage Type	Attached
Garage Area	542 sqft
Parking Spaces	2 Parking Spaces
Deck Area	60 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0105263
Street Address	450 GREGORY LN
City	BOULDER
State	CO
Zip	80302-7401
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 GREGORY SUB
Legal Range	71
Legal Township	1N
Legal Section	36
Legal Subdivision	GREGORY SUB - BO
Legal Block	3
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3031
Census Tract	12201

Owner

Source: Boulder County assessment roll, APN 1461-36-4-39-002, as of 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	450 GREGORY LN, BOULDER, CO 80302-7401
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 13, 2019 · Amount on Record
Deed Sale	Aug 13, 2019 · Amount on Record
Prior Sale	Dec 02, 2011 · Amount on Record
Deed Document Number	20193729932
Record Updated	Sep 20, 2026

August 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 13, 2019
Property Address	450 GREGORY LN, BOULDER, CO 80302-7401
Document Number	0003729932
Instrument Date	Aug 12, 2019
Instrument	3729932
Transaction Type	Transfer
Record Updated	Aug 22, 2019
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$254.50
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	450 GREGORY LN BOULDER CO 803027401, BOULDER, CO 80302-7401

Mortgage

Document Number	3729933
Date	Aug 13, 2019
Instrument	3729933

Lender

Name	GUARANTEED RATE
Address	3940 N RAVENSWOOD AVE, CHICAGO, IL 60613-2420

Agreement

Amount	Amount Recorded
Term	180 Months
Due	Aug 12, 2034

Tax Assessment & Valuation

Source: Boulder County assessment roll as of 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		$255,605 (+8.8%) Land $145,105 Building $110,500	$3,758,900 (-) Land $2,133,900 Building $1,625,000
2025	$22,400.00 (+7.26%)	$234,932 (-4.31%) Land $133,369 Building $101,563	$3,758,900 (+2.58%) Land $2,133,900 Building $1,625,000
2023	$20,883.00 (+4.8%)	$245,509 (+14.42%) Land $136,245 Building $109,264	$3,664,300 (+18.69%) Land $2,033,500 Building $1,630,800
2022	$19,926.00	$214,574 Land $111,777 Building $102,797	$3,087,400 Land $1,608,300 Building $1,479,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122013, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	29 (1983–2025)
Claims Outside the SFHA	10 of 29
Most Recent Claim	Apr 2025 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 19 claims

Wildfire

Wildfire Risk	High above 86% of the US · above 89% of Colorado
Wildfire Likelihood	0.7% annual chance
Exposure	Indirect 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, 80 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	1,200 / 35
Live Wire Networks Fixed Wireless	250 / 100

May also be available: Verizon.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107152, 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.