4310 9th St, Boulder, CO 80304 Property Records

Boulder County property record for 4310 9th St, Boulder, CO 80304 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,534 sqft · built 1993
Lot Size	0.169 acres (7,381 sqft)
Owner	2 Individual Names on File
Last Sale	$613,050 (Mar 2002)
Tax Bill	$8,671 (2025)
Flood Zone	Zone X (minimal risk)
APN	`1461-13-1-31-002`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-31-002`
Alternative APNs	`R0113091` `0113091`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,534 sqft Living Area
Gross Area	3,834 sqft
1st Floor Area	1,182 sqft
Upper Floors Area	1,064 sqft
Basement Area	1,148 sqft
Finished Basement	288 sqft
Unfinished Basement	860 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	7,381 sqft (0.169 acres)
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	160 sqft
Deck Area	60 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0113091
Street Address	4310 9TH ST
City	BOULDER
State	CO
Zip	80304-0782
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 GRANT SUB
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	GRANT SUBDIVISION - BO
Legal Block	1
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1008
Census Tract	12104

Owner

Source: Boulder County records · APN 1461-13-1-31-002

Assessment roll updated June 15, 2026 · Last verified June 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 File
Mailing Address	4310 9TH ST, BOULDER, CO 80304-0782
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 05, 2002 · Amount on Record
Deed Sale	Mar 05, 2002 · Amount on Record
Prior Sale	Jun 21, 1993 · Amount on Record
Deed Document Number	20022261530
Last Transfer Date	Feb 23, 2015
Transfer Doc	0003429175
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$105,746 (+8.8%) Land $69,618 Building $36,128	$1,555,100 (-) Land $1,023,800 Building $531,300
2025	$8,671.00 (-4.87%)	$97,194 (-11.02%) Land $63,988 Building $33,206	$1,555,100 (-4.62%) Land $1,023,800 Building $531,300
2023	$9,115.00 (+20.06%)	$109,237 (+33.61%) Land $69,834 Building $39,403	$1,630,400 (+38.59%) Land $1,042,300 Building $588,100
2022	$7,592.00	$81,760 Land $55,948 Building $25,812	$1,176,400 Land $805,000 Building $371,400

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Moderate above 64% of the US · above 54% of Colorado
Wildfire Likelihood	About 1 in 437 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; lenders make the official flood determination.