429 Highland Ave, Boulder, CO 80302 Property Records

Boulder County property record for 429 Highland Ave, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,128 sqft · built 1920
Lot Size	0.161 acres (7,031 sqft)
Owner	2 Individual Names on File
Last Sale	$2,562,500 (Apr 2021)
Tax Bill	$16,545 (2025)
Deeds & Mortgages	Apr 2021 Sale & Mortgage Oct 2019 Sale
Flood Zone	Zone X (minimal risk)
APN	`1461-25-4-07-008`

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-07-008`
Alternative APNs	`R0000687` `0000687`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Half Baths	3 Half Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,128 sqft Living Area
Gross Area	2,812 sqft
1st Floor Area	1,490 sqft
Upper Floors Area	638 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	7,031 sqft (0.161 acres)
Garage Type	Attached
Garage Area	684 sqft
Porch	Porch
Porch Area	136 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0000687
Street Address	429 HIGHLAND AVE
City	BOULDER
State	CO
Zip	80302-4717
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 37-38 BLK 5 MAPLETON
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON - BO
Legal Block	5
Legal Lot Number	37
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	4
Census Block	4013
Census Tract	12101

Owner

429 Highland Ave is owned and occupied by two individuals who bought it in April 2021.

Source: Boulder County records, as of September 18, 2026

Owner of Record	2 Individual Names on File
Mailing Address	429 HIGHLAND AVE, BOULDER, CO 80302-4717
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Apr 29, 2021	Warranty Deed, Transfer · Conventional Mortgage BNY MELLON NA
Oct 29, 2019	Warranty Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 29, 2021 · Amount on File
Deed Sale	Apr 29, 2021 · Amount on File
Prior Sale	Oct 29, 2019 · Amount on File
Deed Document Number	20213881100
Record Updated	Oct 29, 2026

April 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 29, 2021
Property Address	429 HIGHLAND AVE, BOULDER, CO 80302-4717
Document Number	0003881100
Instrument Date	Apr 20, 2021
Instrument	3881100
Transaction Type	Transfer
Record Updated	May 14, 2021
Title Company	FIRST AMERICAN TITLE, FIRST AMERICNA TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$256.25
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	429 HIGHLAND AVE, BOULDER, CO 80302-4717

Mortgage

Document Number	0003881101
Date	Apr 29, 2021
Instrument	3881101

Lender

Name	BNY MELLON NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.62%
Adjustable	Adjustable Rate Rider
Type Change Date	May 1, 2031
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.62%
Index	1-Year LIBOR
Max Rate	7.62%

October 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 29, 2019
Property Address	429 HIGHLAND AVE, BOULDER, CO 80302-4717
Document Number	0003745423
Instrument Date	Oct 25, 2019
Instrument	3745423
Transaction Type	Transfer
Record Updated	Nov 7, 2019
Title Company	NOT AVAILABLE

Transaction

Amount	Amount on Record
Tax	$260.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Corporate Trust
Address	429 HIGHLAND AVE BOULDER CO 803024717, BOULDER, CO 80302-4717

Tax Assessment & Valuation

The 2025 property tax bill for 429 Highland Ave was $16,545.

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		$184,028 (+6.06%) Land $107,385 Building $76,643	$2,776,300 (-) Land $1,649,200 Building $1,127,100
2025	$16,545.00	$173,519 Land $103,075 Building $70,444	$2,776,300 Land $1,649,200 Building $1,127,100
2023	$15,396.00 (+13.78%)	$181,972 (+24.88%) Land $109,418 Building $72,554	$2,716,000 (+29.54%) Land $1,633,100 Building $1,082,900
2022	$13,531.00	$145,713 Land $79,737 Building $65,976	$2,096,600 Land $1,147,300 Building $949,300

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

FEMA maps place 429 Highland Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	15 units insured incl. 9 condo units
Nearby Flood Claims	2 (2013)
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

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

Wildfire risk around 429 Highland Ave is high, ranking above 82% of the US, with a 0.8% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 82% of the US · above 85% of Colorado
Wildfire Likelihood	0.8% annual chance
Exposure	Direct burnable vegetation

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 684 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: Verizon.

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