515 Concord Ave, Boulder, CO 80304 Property Records

Boulder County property record for 515 Concord Ave, Boulder, CO 80304 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.75 ba · 2,520 sqft · built 1906
Lot Size	0.162 acres (7,076 sqft)
Owner	2 Company Names on File
Last Sale	$925,000 (Mar 2006)
Tax Bill	$13,585 (2025)
Deeds & Mortgages	May 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1461-25-1-03-006`

Property Details

APN / Parcel Number

Primary APN	`1461-25-1-03-006`
Alternative APNs	`R0008840` `0008840`

Interior

Bedrooms	3 Beds
Full Baths	2.75 Baths
Half Baths	3 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,520 sqft Living Area
1st Floor Area	1,193 sqft
Upper Floors Area	741 sqft
Basement Area	586 sqft
Finished Basement	586 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1985
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,076 sqft (0.162 acres)
Porch	Porch
Porch Area	138 sqft
Deck Area	277 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Account Number	R0008840
Street Address	515 CONCORD AVE
City	BOULDER
State	CO
Zip	80304-3920
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 11-12 BLK 12 MAXWELLS ADDITION AMENDED PLAT OF BLOCKS 10-13
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAXWELLS - BO
Legal Block	12,10
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1023
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-25-1-03-006

Assessment roll updated June 15, 2026 · Last verified July 2026

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

Owner of Record	2 Company Names on File
Mailing Address	515 CONCORD AVE, BOULDER, CO 80304-3920
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 07, 2006 · Amount on Record
Deed Sale	Mar 07, 2006 · Amount on Record
Prior Sale	Jul 20, 1976 · Amount on Record
Deed Document Number	20062761148
Last Transfer Date	Apr 26, 2021
Transfer Doc	0003883123
Record Updated	Sep 20, 2026

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	May 05, 2021
Property Address	515 CONCORD AVE, BOULDER, CO 80304-3920
Document Number	0003883123
Instrument Date	Apr 26, 2021
Instrument	3883123
Transaction Type	Transfer
Record Updated	May 20, 2021

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
Address	515 CONCORD AVE, BOULDER, CO 80304-3920

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$155,019 (+8.8%) Land $112,322 Building $42,697	$2,279,700 (-) Land $1,651,800 Building $627,900
2025	$13,585.00 (-1%)	$142,482 (-12.37%) Land $103,238 Building $39,244	$2,279,700 (-6.06%) Land $1,651,800 Building $627,900
2023	$13,722.00 (+21.65%)	$162,589 (+33.85%) Land $112,399 Building $50,190	$2,426,700 (+38.84%) Land $1,677,600 Building $749,100
2022	$11,280.00	$121,472 Land $72,607 Building $48,865	$1,747,800 Land $1,044,700 Building $703,100

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 080130121011, 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 X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 12 individual NFIP policies nearby
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	16 units insured (4 under condo master policies) 7 of 12 individual policies on primary residences
Nearby Flood Claims	3 (2013)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Sep 2013, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides
Flood Events	Severe Storms, Flooding, Landslides, And Mudslides (Sep 2013), 3 claims

Wildfire

Wildfire Risk	High above 78% of the US · above 78% of Colorado
Wildfire Likelihood	About 1 in 226 per year
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.