2439 10th St, Boulder, CO 80304 Property Records

Boulder County property record for 2439 10th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,062 sqft · built 1901
Lot Size	0.112 acres (4,875 sqft)
Owner	Company Name on Record
Last Sale	$1,515,000 (Jun 2021)
Tax Bill	$10,963 (2025)
Deeds & Mortgages	Jun 2026 Sale Jun 2020 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1461-25-1-00-040`

Property Details

APN / Parcel Number

Primary APN	`1461-25-1-00-040`
Alternative APNs	`R0000766` `0000766`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,062 sqft Living Area
1st Floor Area	1,390 sqft
Upper Floors Area	672 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1901
Effective Year Built	Effective 2000
Architectural Style	Historical
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	4,875 sqft (0.112 acres)
Garage Type	Detached
Garage Area	252 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	132 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0000766
Street Address	2439 10TH ST
City	BOULDER
State	CO
Zip	80304-4188
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 283 BO 25-1N-71 PER DEED 1039992 5/2/90 BCR
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	TR, NBR 101-103,105,107,109,170
Legal Tract	283
Legal Block	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1007
Census Tract	12204

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	2439 10TH ST, BOULDER, CO 80304-4188
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
Jun 1, 2026	Warranty Deed, Transfer NONE LISTED ON DOCUMENT
Jun 19, 2020	Deed of Trust, Mortgage · Line of Credit ALPINE BANK
May 15, 2020	Deed of Trust, Mortgage · Line of Credit ALPINE BANK
Jun 7, 2021	Warranty Deed, Transfer · Conventional Mortgage CHICAGO MORTGAGE SOLUTIONS CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 7, 2021 · Amount on Record
Deed Sale	Jun 7, 2021 · Amount on Record
Prior Sale	Dec 6, 2002 · Amount on Record
Deed Document Number	20213890463
Last Transfer Date	May 27, 2026
Transfer Doc	0004133840
Record Updated	Sep 20, 2026

June 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 1, 2026
Property Address	2439 10TH ST, BOULDER, CO 80304-4188
Document Number	0004133840
Instrument Date	May 27, 2026
Instrument	20264133840
Transaction Type	Transfer
Record Updated	Jun 10, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Amount	Amount Recorded
Tax	$5.05
Amount Accuracy	Calculated from Transfer Tax

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Life Tenant
Address	2439 10TH ST, BOULDER, CO 80304-4188

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	2439 10TH ST, BOULDER, CO 80304-4188
Transaction Type	Mortgage
Record Updated	Oct 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003792406
Date	Jun 19, 2020
Instrument	3792406

Lender

Name	ALPINE BANK
Type	Bank
Address	RIFLE, CO 81650

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	2439 10TH ST, BOULDER, CO 80304-4188
Transaction Type	Mortgage
Record Updated	Oct 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003784466
Date	May 15, 2020
Instrument	3784466

Lender

Name	ALPINE BANK
Type	Bank
Address	RIFLE, CO 81650

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 7, 2021
Property Address	2439 10TH ST, BOULDER, CO 80304-4188
Document Number	0003890463
Instrument Date	Jun 3, 2021
Instrument	3890463
Transaction Type	Transfer
Record Updated	Sep 17, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$151.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	2439 10TH ST, BOULDER, CO 80304-4188

Mortgage

Document Number	0003890464
Date	Jun 7, 2021
Instrument	3890464

Lender

Name	CHICAGO MORTGAGE SOLUTIONS CORP
Type	Mortgage Company

Agreement

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

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		$125,100 (+8.8%) Land $82,382 Building $42,718	$1,839,700 (-) Land $1,211,500 Building $628,200
2025	$10,963.00 (+0.71%)	$114,982 (-11.38%) Land $75,719 Building $39,263	$1,839,700 (-5%) Land $1,211,500 Building $628,200
2023	$10,886.00 (+22.65%)	$129,746 (+35.74%) Land $83,918 Building $45,828	$1,936,500 (+40.81%) Land $1,252,500 Building $684,000
2022	$8,876.00	$95,583 Land $60,263 Building $35,320	$1,375,300 Land $867,100 Building $508,200

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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	9 in force
Nearby Flood Claims	8 (2013–2022)
Claims Outside the SFHA	6 of 8
Most Recent Claim	Aug 2022 · other causes
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	Low lower than 63% of the US · lower than 80% of Colorado
Wildfire Likelihood	0.05% annual chance
Exposure	None beyond 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 684 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
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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