1140 10th St, Boulder, CO 80302 Property Records

Boulder County property record for 1140 10th St, Boulder, CO 80302

Property Summary

Property Type	Multi-Family Dwellings
Details	8 bd · 2.5 ba · 2,640 sqft · built 1907
Lot Size	0.144 acres (6,255 sqft)
Owner	2 Individual Names on Record
Last Sale	$715,000 (Oct 2003)
Tax Bill	$13,540 (2025)
Deeds & Mortgages	Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-31-2-41-004`

Property Details

APN / Parcel Number

Primary APN	`1463-31-2-41-004`
Alternative APNs	`R0004350` `0004350`

Interior

Bedrooms	8 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Units	2 Units
Stories	2 Stories
Building Area	2,640 sqft Living Area
Gross Area	3,072 sqft
1st Floor Area	1,090 sqft
Upper Floors Area	950 sqft
Basement Area	840 sqft
Finished Basement	600 sqft
Unfinished Basement	240 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1907
Effective Year Built	Effective 1970
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,255 sqft (0.144 acres)
Porch	Enclosed Porch
Porch Area	384 sqft
Deck Area	140 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0004350
Street Address	1140 10TH ST
City	BOULDER
State	CO
Zip	80302-6992
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	S 1/2 LOT 6 ALL OF 7 & N 1/2 LOT 8 BLK 3 UNIVERSITY TERRACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY TERRACE - BO
Legal Block	3
Legal Lot Number	6
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1011
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	2757 PRAIRIE RIDGE CT, LAFAYETTE, CO 80026-8004
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 17, 2003 · Amount on Record
Deed Sale	Oct 17, 2003 · Amount on Record
Prior Sale	Oct 6, 1998 · Amount on Record
Deed Document Number	20032516806
Last Transfer Date	Jan 3, 2025
Transfer Doc	0004072714
Record Updated	Oct 29, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1140 10TH ST, BOULDER, CO 80302-6992
Document Number	0003832398
Instrument Date	Oct 20, 2020
Transaction Type	Mortgage
Record Updated	Dec 3, 2020
Title Company	ASCENDANT TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2310 GRAPE AVE BOULDER CO 803042830, BOULDER, CO 80304-2830

Mortgage

Document Number	0003832398
Date	Nov 12, 2020
Instrument	3832398

Lender

Name	PLAINS CMRC BK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Nov 11, 2050

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		$147,907 (+5.41%) Land $66,633 Building $81,274	$2,245,100 (-) Land $1,049,900 Building $1,195,200
2025	$13,540.00 (+4.22%)	$140,319 (-7.93%) Land $65,619 Building $74,700	$2,245,100 (-1.3%) Land $1,049,900 Building $1,195,200
2023	$12,992.00 (+41.76%)	$152,398 (+56.98%) Land $67,295 Building $85,103	$2,274,600 (+59.32%) Land $1,004,400 Building $1,270,200
2022	$9,165.00	$97,083 Land $55,345 Building $41,738	$1,427,700 Land $813,900 Building $613,800

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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	2 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	Moderate above 45% of the US · lower than 71% of Colorado
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 550 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: Magnolia Road Internet Cooperative, Verizon.

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