411 Concord Ave, Boulder, CO 80304 Property Records

Boulder County property record for 411 Concord Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,830 sqft · built 1957
Lot Size	0.13 acres (5,676 sqft)
Owner	Company Name on Record
Last Sale	$950,000 (Aug 2009)
Tax Bill	$16,307 (2025)
Deeds & Mortgages	Aug 2026 Transfer Aug 2026 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1461-25-1-02-006`

Property Details

APN / Parcel Number

Primary APN	`1461-25-1-02-006`
Alternative APNs	`R0007089` `0007089`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	3,830 sqft Living Area
1st Floor Area	1,915 sqft
Basement Area	1,915 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1957
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	5,676 sqft (0.13 acres)
Garage Type	Detached
Garage Area	416 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Slab
Porch Area	96 sqft
Deck Area	403 sqft
Patio Area	1,386 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0007089
Street Address	411 CONCORD AVE
City	BOULDER
State	CO
Zip	80304-3918
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 11-12 BLK 11 MAXWELLS ADDITION - AMENDED PLAT OF BLOCKS 10 11 12 & 13
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAXWELLS - BO
Legal Block	11,10
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1022
Census Tract	12101

Owner

Source: Boulder County records, as of October 16, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	411 CONCORD AVE, BOULDER, CO 80304-3918
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
Aug 17, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Aug 10, 2026	Special Warranty Deed, Transfer NONE LISTED ON DOCUMENT
Aug 3, 2026	Deed of Trust, Mortgage · Line of Credit CREDIT UNION ONE
Dec 13, 2023	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 27, 2009 · Amount on Record
Deed Sale	Aug 27, 2009 · Amount on Record
Prior Sale	Jun 5, 2006 · Amount on Record
Deed Document Number	20093026355
Last Transfer Date	Oct 19, 2024
Transfer Doc	0004064870
Record Updated	Oct 29, 2026

August 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 17, 2026
Property Address	411 CONCORD AVE, BOULDER, CO 80304-3918
Document Number	0004144012
Instrument Date	Aug 14, 2026
Instrument	20264144012
Transaction Type	Transfer
Record Updated	Aug 26, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Life Tenant
Address	411 CONCORD AVE, BOULDER, CO 80304-3918

August 2026: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 10, 2026
Property Address	411 CONCORD AVE, BOULDER, CO 80304-3918
Document Number	0004143188
Instrument Date	Aug 7, 2026
Instrument	20264143188
Transaction Type	Transfer
Record Updated	Aug 31, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	411 CONCORD AVE, BOULDER, CO 80304-3918

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Aug 3, 2026
Property Address	411 CONCORD AVE, BOULDER, CO 80304-3918
Document Number	0004142163
Instrument Date	Jul 27, 2026
Instrument	20264142163
Transaction Type	Mortgage
Record Updated	Aug 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	411 CONCORD AVE, BOULDER, CO 80304-3918

Mortgage

Document Number	0004142163,
Date	Aug 3, 2026
Instrument	20264142163

Lender

Name	CREDIT UNION ONE

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Jul 27, 2046

Interest

Rate Type	Adjustable Rate
Rate	6.49%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	411 CONCORD AVE, BOULDER, CO 80304-3918
Transaction Type	Mortgage
Record Updated	Jan 18, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004030848
Date	Dec 13, 2023
Instrument	4030848

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2054

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		$181,322 (+6.02%) Land $95,839 Building $85,483	$2,736,500 (-) Land $1,479,400 Building $1,257,100
2025	$16,307.00 (+16.11%)	$171,032 (+4.62%) Land $92,463 Building $78,569	$2,736,500 (+12.15%) Land $1,479,400 Building $1,257,100
2024	$14,044.00 (+1.77%)
2023	$13,800.00 (+24.95%)	$163,487 (+37.46%) Land $100,668 Building $62,819	$2,440,100 (+42.59%) Land $1,502,500 Building $937,600
2022	$11,044.00	$118,935 Land $65,031 Building $53,904	$1,711,300 Land $935,700 Building $775,600

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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