1845 23rd St, Boulder, CO 80302 Property Records

Boulder County property record for 1845 23rd St, Boulder, CO 80302

Property Summary

Property Type	Multi-Family Dwellings
Details	4 bd · 2 ba · 1,718 sqft · built 1922
Lot Size	0.194 acres (8,431 sqft)
Owner	2 Individual Names on Record
Last Sale	$515,000 (Jul 2007)
Tax Bill	$8,311 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Jul 2023 Transfer + 1 more
Flood Zone	Zone X (moderate risk)
APN	`1463-30-4-47-009`

Property Details

APN / Parcel Number

Primary APN	`1463-30-4-47-009`
Alternative APNs	`R0008912` `0008912`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	2 Stories
Building Area	1,718 sqft Living Area
Gross Area	2,278 sqft
1st Floor Area	1,107 sqft
Upper Floors Area	611 sqft
Basement Area	540 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1974
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	8,431 sqft (0.194 acres)
Porch	Enclosed Porch
Porch Area	220 sqft
Deck Area	136 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0008912
Street Address	1845 23RD ST
City	BOULDER
State	CO
Zip	80302-5603
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	LOT 10 LESS S 15.48 FT & S 1/2 LOT 9 BLK C BOULDER EAST OT
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	BOULDER O T EAST & WEST & NORTH - BO
Legal Block	C
Legal Lot Number	9
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2011
Census Tract	12205

Owner

Source: Boulder County records, as of September 18, 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 Record
Mailing Address	2463 BROADWAY ST, 1, BOULDER, CO 80304-4143
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 16, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF COLORADO
Jul 12, 2023	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE
Jan 30, 2018	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 30, 2007 · Amount on Record
Deed Sale	Jul 30, 2007 · Amount on Record
Prior Sale	Aug 2, 2000 · Amount on Record
Deed Document Number	20072872390
Last Transfer Date	Apr 17, 2023
Transfer Doc	0004014191
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1845 23RD ST, BOULDER, CO 80302-5603
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	LAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003859070
Date	Feb 16, 2021
Instrument	3859070

Lender

Name	BANK OF COLORADO
Type	Bank
Address	JOHNSTOWN, CO 80534

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Jul 12, 2023
Property Address	1845 23RD ST, BOULDER, CO 80302-5603
Document Number	0004014191
Map Reference	MB 478 PG 541
Instrument Date	Apr 17, 2023
Instrument	4014191
Transaction Type	Transfer
Record Updated	Aug 4, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2463 BROADWAY ST UNIT 1, 1, BOULDER, CO 80304-4143

January 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1845 23RD ST, BOULDER, CO 80302-5603
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003638348
Date	Jan 30, 2018
Instrument	3638348

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2048

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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		$88,237 (+3.23%) Land $66,538 Building $21,699	$1,367,600 (-) Land $1,048,500 Building $319,100
2025	$8,311.00 (+0.29%)	$85,475 (-12.7%) Land $65,531 Building $19,944	$1,367,600 (-6.42%) Land $1,048,500 Building $319,100
2023	$8,287.00 (+18.3%)	$97,914 (+32.64%) Land $76,300 Building $21,614	$1,461,400 (+34.62%) Land $1,138,800 Building $322,600
2022	$7,005.00	$73,821 Land $56,148 Building $17,673	$1,085,600 Land $825,700 Building $259,900

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 31 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	64 units insured incl. 33 condo units
Nearby Flood Claims	6 (2013)
Claims Outside the SFHA	2 of 6
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 6 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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