4450 9th St, Boulder, CO 80304 Property Records

Boulder County property record for 4450 9th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,056 sqft · built 2013
Lot Size	0.048 acres (2,090 sqft)
Owner	2 Individual Names on File
Tax Bill	$5,807 (2025)
Deeds & Mortgages	Jul 2020 Mortgage
Flood Zone	Zone AE (high risk)
APN	`1461-13-1-45-004`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-45-004`
Alternative APN	`R0601712`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,056 sqft Living Area
Gross Area	1,298 sqft
1st Floor Area	528 sqft
Upper Floors Area	528 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2013
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	2,090 sqft (0.048 acres)
Garage Type	Attached
Garage Area	242 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	175 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0601712
Street Address	4450 9TH ST
City	BOULDER
State	CO
Zip	80304-0819
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 1000-ROSEWOOD
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	1000 ROSEWOOD
Legal Block	1
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1015
Census Tract	12104

Owner

Source: Boulder County records · APN 1461-13-1-45-004

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	4450 9TH ST, BOULDER, CO 80304-0819
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 Transfer Date	Aug 08, 2016
Transfer Doc	0003542054
Record Updated	Sep 20, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4450 9TH ST, BOULDER, CO 80304-0819
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003798755
Date	Jul 17, 2020
Instrument	3798755

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Aug 01, 2040

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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$66,266 (+8.8%) Land $37,046 Building $29,220	$974,500 (-) Land $544,800 Building $429,700
2025	$5,807.00 (+22.98%)	$60,906 (+4.36%) Land $34,050 Building $26,856	$974,500 (+11.87%) Land $544,800 Building $429,700
2023	$4,722.00 (+1.99%)	$58,364 (+17.06%) Land $36,589 Building $21,775	$871,100 (+21.42%) Land $546,100 Building $325,000
2022	$4,630.00	$49,859 Land $29,461 Building $20,398	$717,400 Land $423,900 Building $293,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121041, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 58 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 units insured incl. 5 condo units
Nearby Flood Claims	14 (2013–2015)
Claims Outside the SFHA	6 of 14
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 claims

Wildfire

Wildfire Risk	Moderate above 68% of the US · above 62% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 222 locations within half a mile · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Live Wire Networks Fixed Wireless	250 / 100
Lumen Technologies DSL	140 / 20
T-Mobile USA Fixed Wireless	100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water System	CITY OF BOULDER serves 166,080 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.