Boulder County property record for 519 Concord Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,708 sqft · built 1904 |
| Lot Size | 0.165 acres (7,204 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $884,000 (Jul 2010) |
| Tax Bill | $11,533 (2025) |
| Deeds & Mortgages | May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-1-03-005 |
| Primary APN | 1461-25-1-03-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,708 sqft Living Area |
| 1st Floor Area | 854 sqft |
| Upper Floors Area | 854 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,204 sqft (0.165 acres) |
| Porch | Porch |
| Porch Area | 120 sqft |
| Deck Area | 536 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0001639 |
|---|---|
| Street Address | 519 CONCORD AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3920 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 9-10 BLK 12 MAXWELL 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 | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 12101 |
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 | 519 CONCORD AVE, BOULDER, CO 80304-3920 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 16, 2010 · Amount on Record |
| Deed Sale | Jul 16, 2010 · Amount on Record |
| Prior Sale | Sep 18, 1989 · Amount on Record |
| Deed Document Number | 20103086627 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 519 CONCORD AVE, BOULDER, CO 80304-3920 |
| Document Number | 0003783156 |
| Instrument Date | May 4, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 25, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 519 CONCORD AVE BOULDER CO 803043920, BOULDER, CO 80304-3920 |
| Document Number | 0003783156 |
|---|---|
| Date | May 11, 2020 |
| Instrument | 3783156 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 10, 2050 |
Source: Boulder County assessment roll, as of September 18, 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 | $126,847 (+4.86%) Land $108,575 Building $18,272 | $1,935,400 (-) Land $1,666,700 Building $268,700 | |
| 2025 | $11,533.00 (+3.71%) | $120,963 (-8.68%) Land $104,169 Building $16,794 | $1,935,400 (-2.1%) Land $1,666,700 Building $268,700 |
| 2023 | $11,120.00 (+18.47%) | $132,459 (+31.05%) Land $79,475 Building $52,984 | $1,977,000 (+35.94%) Land $1,186,200 Building $790,800 |
| 2022 | $9,386.00 | $101,074 Land $73,260 Building $27,814 | $1,454,300 Land $1,054,100 Building $400,200 |
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.
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 |
|
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 |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 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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