429 Concord Ave, Boulder, CO 80304 Property Records

Boulder County property record for 429 Concord Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 2,640 sqft · built 1906
Lot Size	0.133 acres (5,774 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,225,000 (Jul 2017)
Tax Bill	$11,687 (2025)
Deeds & Mortgages	Feb 2022 Mortgage Jan 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1461-25-1-02-004`

Property Details

APN / Parcel Number

Primary APN	`1461-25-1-02-004`
Alternative APNs	`R0005117` `0005117`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,640 sqft Living Area
Gross Area	2,731 sqft
1st Floor Area	1,024 sqft
Upper Floors Area	452 sqft
Basement Area	1,257 sqft
Finished Basement	1,166 sqft
Unfinished Basement	91 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1906
Effective Year Built	Effective 2010
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	5,774 sqft (0.133 acres)
Garage Type	Detached
Garage Area	160 sqft

Exterior Amenities

Porch	Porch
Porch Area	234 sqft
Deck Area	120 sqft
Patio Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0005117
Street Address	429 CONCORD AVE
City	BOULDER
State	CO
Zip	80304-3918
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 8 & W 15 FT LOT 7 BLK 11 MAXWELLS ADDITION - AMENDED PLAT OF BLOCKS 10-13
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAXWELLS - BO
Legal Block	11,10
Legal Lot Number	8
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1022
Census Tract	12101

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	429 CONCORD AVE, BOULDER, CO 80304-3918
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Feb 14, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage THE PARK BANK
Jan 6, 2021	Deed of Trust, Mortgage · Conventional Mortgage KS STATEBANK
Jul 5, 2017	Warranty Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 5, 2017 · Amount on Record
Deed Sale	Jul 5, 2017 · Amount on Record
Prior Sale	Jul 14, 2015 · Amount on Record
Deed Document Number	20173601646
Last Transfer Date	Feb 3, 2022
Transfer Doc	0003944890
Record Updated	Oct 29, 2026

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Feb 14, 2022
Property Address	429 CONCORD AVE, BOULDER, CO 80304-3918
Document Number	0003944890
Instrument Date	Feb 3, 2022
Instrument	3944890
Transaction Type	Transfer
Record Updated	Mar 2, 2022
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	429 CONCORD AVE, BOULDER, CO 80304-3918

Mortgage

Document Number	0003944891
Date	Feb 14, 2022
Instrument	3944891

Lender

Name	THE PARK BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2052

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	429 CONCORD AVE, BOULDER, CO 80304-3918
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003848253
Date	Jan 6, 2021
Instrument	3848253

Lender

Name	KS STATEBANK
Type	Bank
Address	MANHATTAN, KS 66502

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2051

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 5, 2017
Property Address	429 CONCORD AVE, BOULDER, CO 80304-3918
Document Number	0003601646
Instrument Date	Jul 3, 2017
Instrument	3601646
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$122.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	429 CONCORD AVE, BOULDER, CO 80304-3918

Mortgage

Document Number	0003601647
Date	Jul 5, 2017
Instrument	3601647

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2047

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		$128,603 (+4.92%) Land $96,702 Building $31,901	$1,961,225 (-) Land $1,492,100 Building $469,125
2025	$11,687.00 (+1.5%)	$122,576 (-10.54%) Land $93,256 Building $29,320	$1,961,225 (-4.1%) Land $1,492,100 Building $469,125
2023	$11,514.00 (+29.41%)	$137,014 (+44.44%) Land $101,532 Building $35,482	$2,044,975 (+49.83%) Land $1,515,400 Building $529,575
2022	$8,897.00	$94,860 Land $65,587 Building $29,273	$1,364,900 Land $943,700 Building $421,200

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
Flood Insurance Cost	Premium on Record median of 12 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	16 units insured incl. 4 condo units
Nearby Flood Claims	3 (2013)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 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	High above 77% of the US · above 78% of Colorado
Wildfire Likelihood	0.4% 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 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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