Boulder County property record for 504 Geneva Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,768 sqft · built 1947 |
| Lot Size | 0.307 acres (13,370 sqft) |
| Owner | Company Name on File |
| Last Sale | $912,500 (Jul 2009) |
| Tax Bill | $19,994 (2025) |
| Deeds & Mortgages | Dec 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-4-03-001 |
| Primary APN | 1461-36-4-03-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,768 sqft Living Area |
| Gross Area | 4,756 sqft |
| 1st Floor Area | 2,098 sqft |
| Upper Floors Area | 1,072 sqft |
| Basement Area | 1,058 sqft |
| Finished Basement | 598 sqft |
| Unfinished Basement | 460 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 13,370 sqft (0.307 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 378 sqft |
| Deck Area | 135 sqft |
| Patio Area | 857 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Radiant |
| Account Number | R0007381 |
|---|---|
| Street Address | 504 GENEVA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7140 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 1-2 BLK 2 & N 1/2 VAC ALLEY GENEVA PARK |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | GENEVA PARK - BO |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3035 |
| Census Tract | 12201 |
504 Geneva Ave is owned by a company that acquired it in December 2022.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 504 GENEVA AVE, BOULDER, CO 80302-7140 |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 9, 2009 · Amount on File |
| Deed Sale | Jul 9, 2009 · Amount on File |
| Deed Document Number | 20093014864 |
| Last Transfer Date | Dec 7, 2022 |
| Transfer Doc | 0003991659 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 12, 2022 |
| Property Address | 504 GENEVA AVE, BOULDER, CO 80302-7140 |
| Document Number | 0003991659 |
| Instrument Date | Dec 7, 2022 |
| Instrument | 3991659 |
| Transaction Type | Transfer |
| Record Updated | Dec 20, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 504 GENEVA AVE, BOULDER, CO 80302-7140 |
The 2025 property tax bill for 504 Geneva Ave was $19,994.
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 | $223,387 (+6.53%) Land $135,157 Building $88,230 | $3,355,100 (-) Land $2,057,600 Building $1,297,500 | |
| 2025 | $19,994.00 | $209,694 Land $128,600 Building $81,094 | $3,355,100 Land $2,057,600 Building $1,297,500 |
| 2023 | $18,877.00 (+11.5%) | $222,279 (+21.92%) Land $132,673 Building $89,606 | $3,317,600 (+26.47%) Land $1,980,200 Building $1,337,400 |
| 2022 | $16,930.00 | $182,313 Land $111,937 Building $70,376 | $2,623,200 Land $1,610,600 Building $1,012,600 |
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.
FEMA maps place 504 Geneva Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 2025 · other causes |
| 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.
Wildfire risk around 504 Geneva Ave is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 63% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% 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 550 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: Magnolia Road Internet Cooperative, Verizon.
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