511 Walnut St, #A, Aspen, CO 81611 Property Records

Pitkin County property record for 511 Walnut St, #A, Aspen, CO 81611

Property Summary

Property Type	Condominium
Details	4 bd · 5 ba · 4,986 sqft · built 2007
Lot Size	0.126 acres (5,525 sqft)
Owner	Individual Name on Record
Last Sale	$12,000,000 (Mar 2024)
Tax Bill	$29,850 (2025)
Deeds & Mortgages	Mar 2024 Sale & Mortgage Sep 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`R020924`

Property Details

APN / Parcel Number

Primary APN	`R020924`
Alternative APN	`273707397001`

Interior

Bedrooms	4 Beds
Full Baths	5 Baths
Stories	2 Stories
Building Area	4,986 sqft
Gross Area	5,735 sqft
1st Floor Area	1,598 sqft
2nd Floor Area	1,142 sqft
Basement Area	2,246 sqft
Finished Basement	2,246 sqft
Flooring	Slate
Interior Walls	Plaster
Fireplaces	3 Fireplaces
Fireplace	Fireplace
Elevator	Elevator

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2010
Architectural Style	Split Level
Exterior Material	Wood Siding
Roof Type	Gable/Hip
Roof Material	Other
Lot Area	5,525 sqft (0.126 acres)
Garage Area	268 sqft
Pool Type	Spa / Hot Tub (No Pool)
Patio Area	152 sqft
Sauna	Sauna

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Radiant
Heating Fuel	Gas

Location & Zoning

Account Number	R020924
Street Address	511 WALNUT ST # A, A
City	ASPEN
State	CO
Zip	81611
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	SUBDIVISION: FOX CROSSING LOT 10 CONDO UNIT: A
Legal Subdivision	FOX CROSSING LT 10 CONDO
Legal Lot Number	10
Jurisdiction	PITKIN CO
Township / Civil Division	ASPEN
Census Block Group	2
Census Block	2010
Census Tract	403

Owner

Source: Pitkin County records, as of February 16, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	105 GUARD HILL RD, MOUNT KISCO, NY 10549-4936
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 7, 2024	Special Warranty Deed, Transfer · Conventional Mortgage UBS BANK USA
Sep 22, 2020	Deed of Trust, Mortgage · ARM THE NORTHERN TRUST CO
Jan 28, 2018	Loan Modification, Mortgage NORTHERN TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 7, 2024 · Amount on Record
Deed Sale	Mar 7, 2024 · Amount on Record
Prior Sale	Aug 21, 2018 · Amount on Record
Deed Document Number	701023
Record Updated	Jun 8, 2026

March 2024: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	PITKIN CO
Recording Date	Mar 7, 2024
Property Address	511 WALNUT ST # O, O, ASPEN, CO 81611-1535
Document Number	0000701023
Map Reference	MB88 PG17 DOC551553
Instrument Date	Mar 2, 2024
Instrument	701023
Transaction Type	Transfer
Record Updated	Mar 19, 2024
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,200.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	511 WALNUT ST, ASPEN, CO 81611-1535

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	105 GUARD HILL RD, MOUNT KISCO, NY 10549-4936

Mortgage

Document Number	0000701026
Date	Mar 7, 2024
Instrument	701026

Lender

Name	UBS BANK USA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2054

Interest

Rate Type	Adjustable Rate
Rate	6%
Adjustable	Adjustable Rate Rider
Type Change Date	Apr 1, 2029
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	11%
Margin	3
Max Rate	16%

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	PITKIN CO
Property Address	511 WALNUT ST # O, O, ASPEN, CO 81611-1535
Transaction Type	Mortgage
Record Updated	Jul 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000668466
Date	Sep 22, 2020
Instrument	668466

Lender

Name	THE NORTHERN TRUST CO
Type	Bank
Address	CHICAGO, IL 60603

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

Interest

Rate Type	Fixed Rate
Rate	2%
Adjustable	Adjustable Rate Rider
Type Change Date	Nov 1, 2020
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7%
Index	1-Year LIBOR
Max Rate	7%

January 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	PITKIN CO
Property Address	511 WALNUT ST # O, O, ASPEN, CO 81611-1535
Document Number	0000648574
Instrument Date	Jan 28, 2018
Transaction Type	Mortgage
Record Updated	Jul 21, 2020
Title Company	ATTORNEY ONLY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	511 WALNUT ST ASPEN CO 81611, ASPEN, CO 81611

Mortgage

Document Number	0000648574
Date	Jul 3, 2018
Instrument	648574

Lender

Name	NORTHERN TR
Address	DALLAS, TX 75205

Agreement

Amount	Amount Recorded
Term	36 Months
Due	Jul 2, 2021

Tax Assessment & Valuation

Source: Pitkin County assessment roll, as of August 25, 2025

Property Jurisdictions

Type	Name
State	Colorado
Municipality	Aspen City
County	Pitkin County
Unified School District	Aspen School District 1 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$29,850.00 (+23.89%)	$807,190 (-0.44%) Land $250,000 Building $557,190	$12,915,000 (+7.76%) Land $4,000,000 Building $8,915,000
2023	$24,094.00 (+56.24%)	$810,790 (+92.76%) Land $230,010 Building $580,780	$11,985,000 (+98.03%) Land $3,400,000 Building $8,585,000
2022	$15,421.00	$420,630 Land $152,900 Building $267,730	$6,052,200 Land $2,200,000 Building $3,852,200

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.

Flood

Source: FEMA National Flood Hazard Layer, effective September 3, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	25 units insured incl. 19 condo units

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF ASPEN serves 31,100 people · EPA ID CO0149122
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	1 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	4 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 297 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Kellin Communications Fixed Wireless	100 / 50
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile, Ting.

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