Boulder County property record for 404 Concord Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,568 sqft · built 1904 |
| Lot Size | 0.057 acres (2,472 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $514,000 (Jun 2007) |
| Tax Bill | $8,256 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-1-01-008 |
| Primary APN | 1461-25-1-01-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,568 sqft Living Area |
| 1st Floor Area | 824 sqft |
| Basement Area | 744 sqft |
| Finished Basement | 744 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 2,472 sqft (0.057 acres) |
| Porch | Porch |
| Porch Area | 217 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0000929 |
|---|---|
| Street Address | 404 CONCORD AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3919 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 50 FT LOTS 13-14 & N 50 FT OF E 10 FT OF LOT 15 BLK 10 MAXWELL AMENDED |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAXWELLS - BO |
| Legal Block | 10 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 12101 |
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 | 38476 BOULDER CANYON DR, BOULDER, CO 80302-9642 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 8, 2007 · Amount on Record |
| Deed Sale | Jun 8, 2007 · Amount on Record |
| Prior Sale | Jul 14, 2003 · Amount on Record |
| Deed Document Number | 20072861204 |
| Prior Transfer Date | Mar 19, 1997 |
| Prior Transfer Doc | 0002470174 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $93,289 (+8.8%) Land $66,388 Building $26,901 | $1,371,900 (-) Land $976,300 Building $395,600 | |
| 2025 | $8,256.00 (+2.6%) | $85,744 (-10.69%) Land $61,019 Building $24,725 | $1,371,900 (-4.26%) Land $976,300 Building $395,600 |
| 2023 | $8,047.00 (+19.36%) | $96,005 (+33.71%) Land $66,431 Building $29,574 | $1,432,900 (+38.7%) Land $991,500 Building $441,400 |
| 2022 | $6,742.00 | $71,800 Land $42,916 Building $28,884 | $1,033,100 Land $617,500 Building $415,600 |
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.
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 |
| 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.
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 |
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 |
| 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.
Source: FCC Broadband Data Collection, based on 684 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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