Boulder County property record for 3500 Berkley Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,204 sqft · built 1961 |
| Lot Size | 0.173 acres (7,518 sqft) |
| Owner | Individual Name on File |
| Last Sale | $7,700 (Apr 1984) |
| Tax Bill | $4,700 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-3-03-001 |
| Primary APN | 1577-05-3-03-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,204 sqft Living Area |
| Gross Area | 2,828 sqft |
| 1st Floor Area | 1,204 sqft |
| Basement Area | 1,204 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,518 sqft (0.173 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 450 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0012636 |
|---|---|
| Street Address | 3500 BERKLEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-5528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 6 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Block | 6 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 12507 |
3500 Berkley Ave is owned and occupied by an individual who bought it in April 1984.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3500 BERKLEY AVE, BOULDER, CO 80305-5528 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Apr 2, 1984 · Amount on File |
| Deed Sale | Apr 2, 1984 · Amount on File |
| Prior Sale | Dec 16, 1980 · Amount on File |
| Deed Document Number | 1984612398 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3500 Berkley Ave was $4,700.
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 | $55,678 (+0.23%) Land $34,142 Building $21,536 | $888,800 (-) Land $572,100 Building $316,700 | |
| 2025 | $4,700.00 | $55,550 Land $35,756 Building $19,794 | $888,800 Land $572,100 Building $316,700 |
| 2023 | $4,603.00 (+15.68%) | $63,697 (+27.9%) Land $41,895 Building $21,802 | $950,700 (+32.67%) Land $625,300 Building $325,400 |
| 2022 | $3,979.00 | $49,803 Land $31,073 Building $18,730 | $716,600 Land $447,100 Building $269,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3500 Berkley Ave in Zone X, an area of moderate flood risk, though there have been 16 flood claims nearby since 1995.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 25 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 16 (1995–2013) |
| Claims Outside the SFHA | 2 of 16 |
| 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.
Wildfire risk around 3500 Berkley Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 82% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 451 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 | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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