770 Walnut St, Apt A, Boulder, CO 80302 Property Records

Boulder County property record for 770 Walnut St, Apt A, Boulder, CO 80302

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 818 sqft · built 1985
Lot Size	0 acres (18 sqft)
Owner	2 Individual Names on File
Last Sale	$164,000 (Oct 1999)
Tax Bill	$3,572 (2025)
Flood Zone	Zone X (moderate risk)
APN	`1461-25-4-69-003`

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-69-003`
Alternative APNs	`R0104098` `0104098`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Units	5 Units
Building Area	818 sqft Living Area
1st Floor Area	474 sqft
Upper Floors Area	344 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1985
Architectural Style	Townhouse
Exterior Material	Brick Veneer
Construction Type	Frame
Lot Area	18 sqft
Garage Type	Carport
Garage Area	216 sqft
Carport	Carport
Carport Area	216 sqft
Parking Spaces	1 Parking Space
Deck Area	184 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0104098
Street Address	770 WALNUT ST, A
City	BOULDER
State	CO
Zip	80302-5052
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT CA-25 & UND 1.3411 INT GCE CANYON CENTER CONDOS 3RD SUPP PHASE IV
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	CANYON CENTER CONDOS 3RD SUPP IV BO
Legal Phase	4
Legal Block	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1008
Census Tract	12201

Owner

Source: Boulder County records · APN 1461-25-4-69-003

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	770 WALNUT ST, B, BOULDER, CO 80302-5052
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 29, 1999 · Amount on Record
Deed Sale	Oct 29, 1999 · Amount on Record
Prior Sale	May 17, 1999
Deed Document Number	19991994921
Last Transfer Date	Nov 09, 2002
Transfer Doc	0002367420
Record Updated	Sep 20, 2026

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		$39,841 (+8.8%) Building $39,841	$585,900 (-) Building $585,900
2025	$3,572.00 (+18.75%)	$36,619 (-2.74%) Building $36,619	$585,900 (+4.27%) Building $585,900
2023	$3,008.00 (+0.8%)	$37,649 (+20.17%) Building $37,649	$561,932 (+24.65%) Building $561,932
2022	$2,984.00	$31,331 Building $31,331	$450,800 Building $450,800

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 34 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	66 units insured incl. 32 condo units
Nearby Flood Claims	16 (1994–2017)
Claims Outside the SFHA	10 of 16
Most Recent Claim	Aug 2017 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 12 claims

Wildfire

Wildfire Risk	Moderate above 44% of the US · lower than 73% of Colorado
Wildfire Likelihood	0.06% 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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless · Fiber in parts of the area	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
AT&T Fixed Wireless	100 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Verizon.

Based on FCC filings for 426 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.