Boulder County property record for 512 Concord Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 2,354 sqft · built 1896 |
| Lot Size | 0.125 acres (5,445 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $465,000 (Mar 2009) |
| Tax Bill | $10,126 (2025) |
| Deeds & Mortgages | Dec 2019 Mortgage Jan 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-1-04-008 |
| Primary APN | 1461-25-1-04-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,354 sqft Living Area |
| Gross Area | 3,022 sqft |
| 1st Floor Area | 1,706 sqft |
| Upper Floors Area | 648 sqft |
| Basement Area | 668 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1896 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 5,445 sqft (0.125 acres) |
| Garage Type | Detached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 94 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0006986 |
|---|---|
| Street Address | 512 CONCORD AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3921 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 12 & W1/2 LOT 11 BLK 13 MAXWELLS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAXWELLS - BO |
| Legal Block | 13 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-04-008
Assessment roll updated June 15, 2026 · Last verified June 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 | 512 CONCORD AVE, BOULDER, CO 80304-3921 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 09, 2019 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Jan 25, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage CITYWIDE HMS LNS |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 31, 2009 · Amount on Record |
| Deed Sale | Mar 31, 2009 · Amount on Record |
| Prior Sale | May 01, 1992 · Amount on Record |
| Deed Document Number | 20092988805 |
| Last Transfer Date | Jan 14, 2019 |
| Transfer Doc | 0003695323 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 512 CONCORD AVE, BOULDER, CO 80304-3921 |
| Document Number | 0003755439 |
| Instrument Date | Dec 09, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 02, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 512 CONCORD AVE BOULDER CO 803043921, BOULDER, CO 80304-3921 |
| Document Number | 0003755439 |
|---|---|
| Date | Dec 17, 2019 |
| Instrument | 3755439 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Dec 16, 2039 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 25, 2019 |
| Property Address | 512 CONCORD AVE, BOULDER, CO 80304-3921 |
| Document Number | 0003695323 |
| Instrument Date | Jan 14, 2019 |
| Instrument | 3695323 |
| Transaction Type | Transfer |
| Record Updated | Feb 04, 2019 |
| Title Company | ASCENDANT TITLE INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 512 CONCORD AVE BOULDER CO 803043921, BOULDER, CO 80304-3921 |
| Document Number | 3695324 |
|---|---|
| Date | Jan 25, 2019 |
| Instrument | 3695324 |
| Name | CITYWIDE HMS LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | SANDY, UT 84070 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jan 24, 2039 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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 | $115,552 (+8.8%) Land $98,532 Building $17,020 | $1,699,300 (-) Land $1,449,000 Building $250,300 | |
| 2025 | $10,126.00 (+1.65%) | $106,207 (-10.78%) Land $90,563 Building $15,644 | $1,699,300 (-4.36%) Land $1,449,000 Building $250,300 |
| 2023 | $9,962.00 (+22.1%) | $119,045 (+35.49%) Land $98,597 Building $20,448 | $1,776,800 (+40.55%) Land $1,471,600 Building $305,200 |
| 2022 | $8,159.00 | $87,862 Land $63,690 Building $24,172 | $1,264,200 Land $916,400 Building $347,800 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Moderate above 68% of the US · above 62% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| 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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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.
Based on FCC filings for 684 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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