1021 10th St, Boulder, CO 80302 Property Records

Boulder County property record for 1021 10th St, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	5 bd · 1.75 ba · 2,245 sqft · built 1909
Lot Size	0.137 acres (5,983 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,954,577 (Nov 2025)
Tax Bill	$8,540 (2025)
Deeds & Mortgages	Nov 2025 Sale & Mortgage Aug 2023 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1463-31-3-09-013`

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-09-013`
Alternative APNs	`R0003204` `0003204`

Interior

Bedrooms	5 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Building Area	2,245 sqft Living Area
Gross Area	2,698 sqft
1st Floor Area	1,417 sqft
Upper Floors Area	828 sqft
Basement Area	453 sqft

Exterior

Year Built	Built 1909
Effective Year Built	Effective 1972
Architectural Style	Multi-Level
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	5,983 sqft (0.137 acres)
Garage Type	Detached
Garage Area	180 sqft
Porch	Porch
Porch Area	217 sqft
Patio Area	300 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0003204
Street Address	1021 10TH ST
City	BOULDER
State	CO
Zip	80302-7203
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 29-30 BLK 7 UNIVERSITY PLACE
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	7
Legal Lot Number	29
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	4
Census Block	4005
Census Tract	12401

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	7145 RUSTIC TRL, BOULDER, CO 80301-3936
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 3, 2025	Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU
Aug 30, 2023	Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO
Feb 6, 2018	Quit Claim Deed, Transfer LAND TITLE GUARANTEE
Dec 11, 2017	Grant Deed, Transfer CALIBER HM LOANS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 3, 2025 · Amount on Record
Deed Sale	Nov 3, 2025 · Amount on Record
Prior Sale	Aug 30, 2023 · Amount on Record
Deed Document Number	20254107894
Prior Transfer Date	Dec 8, 2017
Prior Transfer Doc	0003639613
Record Updated	Oct 29, 2026

November 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 3, 2025
Property Address	1021 10TH ST, BOULDER, CO 80302-7203
Document Number	0004107894
Instrument Date	Oct 31, 2025
Instrument	4107894
Transaction Type	Transfer
Record Updated	Dec 1, 2025
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$195.46
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1021 10TH ST, BOULDER, CO 80302-7203

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7145 RUSTLE TRL, BOULDER, CO 80301
Investor	Possibly a Property Investor

Mortgage

Document Number	0004107895
Date	Nov 3, 2025
Instrument	4107895

Lender

Name	ELEVATIONS CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	6.37%
Type Change Date	Nov 1, 2032
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	11.3%
Index	SOFR Average 30-Day
Max Rate	11.3%

August 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 30, 2023
Property Address	1021 10TH ST, BOULDER, CO 80302-7203
Document Number	0004020135
Instrument Date	Aug 25, 2023
Instrument	4020135
Transaction Type	Transfer
Record Updated	Oct 3, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Tax	$180.53
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1021 10TH ST, BOULDER, CO 80302-7203

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1021 10TH ST, BOULDER, CO 80302-7203

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 6, 2018
Property Address	1021 10TH ST, BOULDER, CO 80302-7203
Document Number	0003639613
Instrument Date	Dec 8, 2017
Instrument	3639613
Transaction Type	Transfer
Record Updated	Feb 13, 2018
Title Company	LAND TITLE GUARANTEE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Partnership
Address	PO BOX 8016 RANCHO SANTA FE CA 920678016, RANCHO SANTA FE, CA 92067-8016

December 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 11, 2017
Property Address	1021 10TH ST, BOULDER, CO 80302-7203
Document Number	0003630036
Instrument Date	Dec 7, 2017
Instrument	3630036
Transaction Type	Transfer
Record Updated	Jan 3, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$125.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 8016 RANCHO SANTA FE CA 920678016, RANCHO SANTA FE, CA 92067-8016

Mortgage

Document Number	3630037
Date	Dec 11, 2017
Instrument	3630037

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	IRVING, TX 75063

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Dec 10, 2047

Interest

Rate Type	Adjustable Rate
Rate	4.12%

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		$95,363 (+7.48%) Land $53,890 Building $41,473	$1,472,400 (+3.72%) Land $862,500 Building $609,900
2025	$8,540.00 (+5.03%)	$88,725 (-3.17%) Land $53,906 Building $34,819	$1,419,600 (-0.21%) Land $862,500 Building $557,100
2024	$8,131.00 (+1.8%)	$91,629 (-3.87%) Land $51,241 Building $40,388	$1,422,600 (-) Land $819,800 Building $602,800
2023	$7,987.00 (+10.56%)	$95,315 (+23.81%) Land $54,927 Building $40,388	$1,422,600 (+28.43%) Land $819,800 Building $602,800
2022	$7,224.00	$76,985 Land $45,001 Building $31,984	$1,107,700 Land $647,500 Building $460,200

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	1 in force

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 65% of the US · lower than 82% of Colorado
Wildfire Likelihood	0.04% 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 367 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, Magnolia Road Internet Cooperative.

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