305 Bates Ave, Boulder, CO 80305 Property Records

Boulder County property record for 305 Bates Ave, Boulder, CO 80305 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	1.75 Baths
Year Built	Built 1965
Square Footage	2,052 sqft Living Area
Lot Size	7,840 sqft (0.18 acres)
Garage	Attached, 297 sqft
Last Sale	$29,400 (1973)
Tax Bill	$5,243.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-23-011`
Alternative APNs	`R0001959` `0001959`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	2,052 sqft Living Area
Gross Area	2,349 sqft Gross Area
1st Floor	1,026 sqft 1st Floor
Basement Area	1,026 sqft Basement
Finished Basement	1,026 sqft Finished
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1965
Architectural Style	Ranch Style
Exterior Material	Brick Veneer Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	7,840 sqft (0.18 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	297 sqft Garage
Patio Area	300 sqft Patio

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0001959
Street Address	305 BATES AVE
City	BOULDER
State	CO
Zip	80305-5303
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 11 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	11
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2031
Census Tract	12505

Owner

Source: Boulder County records · APN 1577-05-3-23-011

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	Individual Owner on File
Mailing Address	3923 PEBBLE BEACH DR, LONGMONT, CO 80503-8357
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Nov 05, 1973 Deed Sale Price on Nov 05, 1973
Deed Doc Number	197385598
Record Refreshed	Sep 20, 2026

May 2022: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	BOULDER CO
Recording Date	May 12, 2022
Property Address	305 BATES AVE, BOULDER, CO 80305-5303
Document Number	0003962090
Map Reference	MB 6 PG 66
Instrument Date	Apr 14, 2022
Instrument	3962090
Transaction Type	Transfer
Record Updated	May 30, 2022

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3923 PEBBLE BEACH DR, LONGMONT, CO 80503-8357

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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$58,909 (+8.8%) Land $53,018 Building $5,891	$866,300 (-) Land $779,670 Building $86,630
2025	$5,243.00 (+13.26%)	$54,143 (-2.39%) Land $48,729 Building $5,414	$866,300 (+4.64%) Land $779,670 Building $86,630
2024	$4,629.00 (+1.8%)
2023	$4,547.00 (+11.83%)	$55,469 (+29.06%) Land $49,922 Building $5,547	$827,900 (+33.88%) Land $745,110 Building $82,790
2022	$4,066.00	$42,979 Land $38,681 Building $4,298	$618,400 Land $556,560 Building $61,840