3450 Ash Ave, Boulder, CO 80305 Property Records

Boulder County property record for 3450 Ash Ave, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,426 sqft · built 1962
Lot Size	0.177 acres (7,701 sqft)
Owner	2 Individual Names on File
Last Sale	$331,000 (Feb 2006)
Tax Bill	$4,640 (2025)
Deeds & Mortgages	Mar 2021 Line of Credit
Flood Zone	Zone X (moderate risk)
APN	`1577-05-2-29-004`

Property Details

APN / Parcel Number

Primary APN	`1577-05-2-29-004`
Alternative APNs	`R0011956` `0011956`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Building Area	1,426 sqft Living Area
Gross Area	1,679 sqft
1st Floor Area	1,150 sqft
Basement Area	276 sqft
Finished Basement	276 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1970
Architectural Style	Split Level
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,701 sqft (0.177 acres)
Garage Type	Attached
Garage Area	253 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011956
Street Address	3450 ASH AVE
City	BOULDER
State	CO
Zip	80305-3432
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 2 WILLIAM MARTIN HOMESTEAD
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	WILLIAM MARTIN HOMESTEAD - BO
Legal Block	2
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1011
Census Tract	12507

Owner

Source: Boulder County assessment roll, 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	2 Individual Names on File
Mailing Address	3450 ASH AVE, BOULDER, CO 80305-3432
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	Feb 14, 2006 · Amount on Record
Deed Sale	Feb 14, 2006 · Amount on Record
Prior Sale	Apr 26, 1999 · Amount on Record
Deed Document Number	20062756655
Prior Transfer Date	Dec 31, 1993
Prior Transfer Doc	0001380669
Record Updated	Sep 20, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3450 ASH AVE, BOULDER, CO 80305-3432
Transaction Type	Mortgage
Record Updated	Mar 10, 2021
Title Company	TITLE365 - OMAHA, TITLE365 OMAHA

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003863981
Date	Mar 3, 2021
Instrument	3863981

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Bank
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Feb 19, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$52,945 (+8.8%) Land $39,372 Building $13,573	$778,600 (-) Land $579,000 Building $199,600
2025	$4,640.00 (+2.05%)	$48,663 (-13.64%) Land $36,188 Building $12,475	$778,600 (-7.42%) Land $579,000 Building $199,600
2023	$4,547.00 (+8.81%)	$56,347 (+25.21%) Land $42,404 Building $13,943	$841,000 (+29.88%) Land $632,900 Building $208,100
2022	$4,179.00	$45,002 Land $31,449 Building $13,553	$647,500 Land $452,500 Building $195,000

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 25 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	25 in force
Nearby Flood Claims	16 (1995–2013)
Claims Outside the SFHA	2 of 16
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 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 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 451 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20