2355 23rd St, Boulder, CO 80304 Property Records

Boulder County property record for 2355 23rd St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,975 sqft · built 1984
Lot Size	0.074 acres (3,240 sqft)
Owner	Company Name on Record
Last Sale	$1,310,000 (Sep 2020)
Tax Bill	$11,337 (2025)
Deeds & Mortgages	Sep 2020 Sale
Flood Zone	Zone X (minimal risk)
APN	`1463-30-6-32-002`

Property Details

APN / Parcel Number

Primary APN	`1463-30-6-32-002`
Alternative APNs	`R0098421` `0098421`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,975 sqft Living Area
Gross Area	3,496 sqft
1st Floor Area	1,214 sqft
Upper Floors Area	1,068 sqft
Basement Area	770 sqft
Finished Basement	693 sqft
Unfinished Basement	77 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1995
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	3,240 sqft (0.074 acres)
Garage Type	Attached
Garage Area	444 sqft
Parking Spaces	2 Parking Spaces
Deck Area	68 sqft

Utilities, Heating & Cooling

Cooling System	Evaporative
Heating System	Hot Water

Location & Zoning

Account Number	R0098421
Street Address	2355 23RD ST
City	BOULDER
State	CO
Zip	80304-3701
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 CARR
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	CARR SUB - BO
Legal Block	2
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2010
Census Tract	12107

Owner

Source: Boulder County records, as of June 15, 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 Record
Mailing Address	3282 CORTESE DR, LOS ALAMITOS, CA 90720-4304
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 2, 2020 · Amount on Record
Deed Sale	Sep 2, 2020 · Amount on Record
Prior Sale	Jan 9, 2012 · Amount on Record
Deed Document Number	20203812231
Prior Transfer Date	Aug 3, 2012
Prior Transfer Doc	0003244368
Record Updated	Sep 20, 2026

September 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 2, 2020
Property Address	2355 23RD ST, BOULDER, CO 80304-3701
Document Number	0003812231
Instrument Date	Aug 28, 2020
Instrument	3812231
Transaction Type	Transfer
Record Updated	Oct 13, 2020
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Tax	$131.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	3282 CORTESE DR LOS ALAMITOS CA 907204304, LOS ALAMITOS, CA 90720-4304

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$128,452 (+8.8%) Land $49,674 Building $78,778	$1,889,000 (-) Land $730,500 Building $1,158,500
2025	$11,337.00 (+1.51%)	$118,062 (-9.09%) Land $45,656 Building $72,406	$1,889,000 (-2.55%) Land $730,500 Building $1,158,500
2024	$11,168.00 (+1.79%)
2023	$10,972.00 (+9.52%)	$129,873 (+21.29%) Land $48,079 Building $81,794	$1,938,400 (+25.81%) Land $717,600 Building $1,220,800
2022	$10,018.00	$107,079 Land $37,523 Building $69,556	$1,540,700 Land $539,900 Building $1,000,800

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 October 14, 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
Flood Insurance Cost	Premium on Record median of 31 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	31 in force
Nearby Flood Claims	5 (2013)
Claims Outside the SFHA	2 of 5
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 claims

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	Not rated no burnable land 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 BOULDER serves 166,080 people · EPA ID CO0107152
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, 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 663 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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