355 Bates Ave, Boulder, CO 80305 Property Records

Boulder County property record for 355 Bates Ave, Boulder, CO 80305 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	3.25 Baths
Year Built	Built 2005
Square Footage	2,781 sqft Living Area
Lot Size	7,041 sqft (0.162 acres)
Occupancy	Owner Occupied
Last Sale	$585,000 (2009)
Tax Bill	$9,613.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-23-008`
Alternative APNs	`R0004723` `0004723`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Partial Baths	2 Partial Baths
Total Rooms	9 Rooms
Building Area	2,781 sqft Living Area
Gross Area	3,477 sqft Gross Area
1st Floor	1,279 sqft 1st Floor
Upper Floors	1,021 sqft Upper Floors
Basement Area	962 sqft Basement
Finished Basement	481 sqft Finished
Unfinished Basement	481 sqft Unfinished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1957
Effective Year Built	Effective 2005
Exterior Material	Brick Veneer Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	7,041 sqft (0.162 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	215 sqft Garage
Deck Area	234 sqft Deck
Porch	Porch
Porch Area	78 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0004723
Street Address	355 BATES AVE
City	BOULDER
State	CO
Zip	80305-5303
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 8 BLK 23 HIGHLAND PARK 5
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	HIGHLAND PARK 5 - BO
Legal Block	23
Legal Lot Number	8
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2031
Census Tract	12505

Owner

Source: Boulder County records · APN 1577-05-3-23-008

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	355 BATES AVE, BOULDER, CO 80305-5303
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 25, 2009 · Amount on Record
Deed Sale	Nov 25, 2009 · Amount on Record
Prior Sale	Jun 04, 2007 · Amount on Record
Deed Doc Number	20093044156
Last Transfer Date	Feb 11, 2026
Transfer Doc	0004120689
Record Refreshed	Sep 20, 2026

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Feb 23, 2026
Property Address	355 BATES AVE, BOULDER, CO 80305-5303
Document Number	0004120689
Instrument Date	Feb 11, 2026
Instrument	4120689
Transaction Type	Transfer
Record Updated	Mar 19, 2026

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	355 BATES AVE, BOULDER, CO 80305-5303

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		$109,698 (+8.8%) Land $58,419 Building $51,279	$1,613,200 (-) Land $859,100 Building $754,100
2025	$9,613.00 (+14.29%)	$100,825 (-0.26%) Land $53,694 Building $47,131	$1,613,200 (+6.93%) Land $859,100 Building $754,100
2023	$8,411.00 (+19.17%)	$101,083 (+32.98%) Land $61,613 Building $39,470	$1,508,700 (+37.94%) Land $919,600 Building $589,100
2022	$7,058.00	$76,012 Land $45,328 Building $30,684	$1,093,700 Land $652,200 Building $441,500

Flood & Wildfire

355 Bates Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).

Flood

Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Moderate 62nd percentile of exposed land nationally · 51st in Colorado
Wildfire Likelihood	Moderate — about 1 in 585 per year
Exposure	Indirect within ember reach of burnable land · adjoins burnable vegetation

Values are read at the parcel center point; lenders make the official flood determination.