Boulder County property record for 3420 Berkley Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,288 sqft · built 1962 |
| Lot Size | 0.214 acres (9,300 sqft) |
| Owner | Individual Name on File |
| Last Sale | $798,000 (Jul 2020) |
| Tax Bill | $6,232 (2025) |
| Deeds & Mortgages | Jul 2020 Sale & Mortgage Jul 2017 Line of Credit |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-2-30-002 |
| Primary APN | 1577-05-2-30-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,288 sqft Living Area |
| Gross Area | 2,828 sqft |
| 1st Floor Area | 1,204 sqft |
| Basement Area | 1,204 sqft |
| Finished Basement | 1,084 sqft |
| Unfinished Basement | 120 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 9,300 sqft (0.214 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 783 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0012366 |
|---|---|
| Street Address | 3420 BERKLEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-3436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRI STRIP ON W OF LOT 3 & ALL LOT 2 BLK 3 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Tract | 3 |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 12507 |
3420 Berkley Ave is owned and occupied by an individual who bought it in July 2020.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3420 BERKLEY AVE, BOULDER, CO 80305-3436 |
| 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.
| Date | Document |
|---|---|
| Jul 13, 2020 | Warranty Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| Jul 31, 2017 | Deed of Trust, Mortgage · Line of Credit COLORADO ST BK&TR |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 13, 2020 · Amount on File |
| Deed Sale | Jul 13, 2020 · Amount on File |
| Prior Sale | Sep 20, 2010 · Amount on File |
| Deed Document Number | 20203797478 |
| Prior Transfer Date | Nov 30, 2016 |
| Prior Transfer Doc | 0003561654 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 13, 2020 |
| Property Address | 3420 BERKLEY AVE, BOULDER, CO 80305-3436 |
| Document Number | 0003797478 |
| Instrument Date | Jul 10, 2020 |
| Instrument | 3797478 |
| Transaction Type | Transfer |
| Record Updated | Aug 21, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $80.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3420 SERKLEY AVE BOULDER CO 80305, BOULDER, CO 80305 |
| Document Number | 3797479 |
|---|---|
| Date | Jul 13, 2020 |
| Instrument | 3797479 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 12, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3420 BERKLEY AVE, BOULDER, CO 80305-3436 |
| Document Number | 0003608325 |
| Instrument Date | Jul 31, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2017 |
| Title Company | ACCURATE TITLE GROUP, ACCURATE TITLE GRP |
| Name | Verified Name |
|---|---|
| Address | 3420 BERKLEY AVE BOULDER CO 803053436, BOULDER, CO 80305-3436 |
| Document Number | 0003608325 |
|---|---|
| Date | Aug 10, 2017 |
| Instrument | 3608325 |
| Name | COLORADO ST BK&TR |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80217-5945 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 3420 Berkley Ave was $6,232.
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 | $66,354 (+1.52%) Land $38,508 Building $27,846 | $1,045,800 (-) Land $636,300 Building $409,500 | |
| 2025 | $6,232.00 | $65,363 Land $39,769 Building $25,594 | $1,045,800 Land $636,300 Building $409,500 |
| 2023 | $6,044.00 (+14.95%) | $73,680 (+30.13%) Land $46,599 Building $27,081 | $1,099,700 (+34.98%) Land $695,500 Building $404,200 |
| 2022 | $5,258.00 | $56,621 Land $34,562 Building $22,059 | $814,700 Land $497,300 Building $317,400 |
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 3420 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 3420 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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