Boulder County property record for 3635 Berkley Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,408 sqft · built 1961 |
| Lot Size | 0.19 acres (8,280 sqft) |
| Owner | Individual Name on File |
| Last Sale | $275,000 (Nov 1999) |
| Tax Bill | $5,249 (2025) |
| Deeds & Mortgages | Mar 2018 Mortgage Nov 2020 Mortgage + 1 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-1-17-007 |
| Primary APN | 1577-05-1-17-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,408 sqft Living Area |
| Gross Area | 2,828 sqft |
| 1st Floor Area | 1,204 sqft |
| Basement Area | 1,204 sqft |
| Finished Basement | 1,204 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 8,280 sqft (0.19 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 285 sqft |
| Patio Area | 143 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0012302 |
|---|---|
| Street Address | 3635 BERKLEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-5529 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLK 5 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Block | 5 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 12507 |
3635 Berkley Ave is owned by an individual who acquired it in May 2002.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2205 TOPAZ DR, BOULDER, CO 80304-0926 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| Mar 29, 2018 | Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA |
| Nov 4, 2020 | Deed of Trust, Mortgage · Conventional Mortgage CHICAGO MORTGAGE SOLUTIONS CORP |
| May 23, 2018 | Deed of Trust, Mortgage · Conventional Mortgage WFB NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 3, 1999 · Amount on File |
| Deed Sale | Nov 3, 1999 · Amount on File |
| Prior Sale | Aug 10, 1998 · Amount on File |
| Deed Document Number | 19991996526 |
| Last Transfer Date | May 20, 2002 |
| Transfer Doc | 0002292303 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3635 BERKLEY AVE, BOULDER, CO 80305-5529 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | LAND TITLE GUARNATEE CO |
| Name | Verified Name |
|---|
| Document Number | 0003647812 |
|---|---|
| Date | Mar 29, 2018 |
| Instrument | 3647812 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.62% |
| Type Change Date | Apr 1, 2025 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 9.62% |
| Index | 1-Year LIBOR |
| Max Rate | 9.62% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3635 BERKLEY AVE, BOULDER, CO 80305-5529 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003830318 |
|---|---|
| Date | Nov 4, 2020 |
| Instrument | 3830318 |
| Name | CHICAGO MORTGAGE SOLUTIONS CORP |
|---|---|
| Type | Mortgage Company |
| Address | DES PLAINES, IL 60018 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3635 BERKLEY AVE, BOULDER, CO 80305-5529 |
| Document Number | 0003657353 |
| Instrument Date | May 23, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2019 |
| Title Company | LAND TITLE GUARANTEE |
| Name | Verified Name |
|---|---|
| Address | 3635 BERKLEY AVE BOULDER CO 803055529, BOULDER, CO 80305-5529 |
| Document Number | 0003657353 |
|---|---|
| Date | May 25, 2018 |
| Instrument | 3657353 |
| Name | WFB NA |
|---|---|
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 24, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
The 2025 property tax bill for 3635 Berkley Ave was $5,249.
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 | $54,223 (+0.02%) Land $36,067 Building $18,156 | $867,400 (-) Land $600,400 Building $267,000 | |
| 2025 | $5,249.00 | $54,213 Land $37,525 Building $16,688 | $867,400 Land $600,400 Building $267,000 |
| 2023 | $5,165.00 (+11.6%) | $62,625 (+27.72%) Land $43,972 Building $18,653 | $934,700 (+32.49%) Land $656,300 Building $278,400 |
| 2022 | $4,628.00 | $49,032 Land $32,616 Building $16,416 | $705,500 Land $469,300 Building $236,200 |
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.
FEMA maps place 3635 Berkley Ave in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 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 3635 Berkley Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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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