Boulder County property record for 335 Dewey Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 3,766 sqft · built 2016 |
| Lot Size | 0.137 acres (5,966 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,900,000 (Jul 2020) |
| Tax Bill | $23,770 (2025) |
| Deeds & Mortgages | Jul 2020 Sale Oct 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-2-12-015 |
| Primary APN | 1461-25-2-12-015 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,766 sqft Living Area |
| Gross Area | 3,990 sqft |
| 1st Floor Area | 1,424 sqft |
| Upper Floors Area | 1,139 sqft |
| Basement Area | 1,427 sqft |
| Finished Basement | 523 sqft |
| Unfinished Basement | 904 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 5,966 sqft (0.137 acres) |
| Garage Type | Detached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 252 sqft |
| Deck Area | 204 sqft |
| Patio Area | 645 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0602667 |
|---|---|
| Street Address | 335 DEWEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3973 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 15 TRAILHEAD SUBDIVISION |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | TRAILHEAD SUBDIVISION |
| Legal Block | 1 |
| Legal Lot Number | 15 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 12101 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 335 DEWEY AVE, BOULDER, CO 80304-3973 |
| Owner Type | Company |
| Date | Document |
|---|---|
| Jul 14, 2020 | Warranty Deed, Transfer LAND TITLE GUARANTEE |
| Oct 30, 2017 | Warranty Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 14, 2020 · Amount on Record |
| Deed Sale | Jul 14, 2020 · Amount on Record |
| Prior Sale | Oct 30, 2017 · Amount on Record |
| Deed Document Number | 20203797861 |
| Prior Transfer Date | Feb 20, 2014 |
| Prior Transfer Doc | 0003372527 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 14, 2020 |
| Property Address | 335 DEWEY AVE, BOULDER, CO 80304-3973 |
| Document Number | 0003797861 |
| Instrument Date | Jul 13, 2020 |
| Instrument | 3797861 |
| Transaction Type | Transfer |
| Record Updated | Aug 21, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Tax | $290.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 335 DEWEY AVE BOULDER CO 803043959, BOULDER, CO 80304-3959 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 30, 2017 |
| Property Address | 335 DEWEY AVE, BOULDER, CO 80304-3973 |
| Document Number | 0003622624 |
| Instrument Date | Oct 27, 2017 |
| Instrument | 3622624 |
| Transaction Type | Transfer |
| Record Updated | Nov 6, 2017 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $250.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Corporate Trust |
| Address | 335 DEWEY AVE BOULDER CO 803043959, BOULDER, CO 80304-3959 |
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 | $266,478 (+6.89%) Land $86,373 Building $180,105 | $3,988,800 (-) Land $1,340,200 Building $2,648,600 | |
| 2025 | $23,770.00 (+0.05%) | $249,301 (-9.02%) Land $83,763 Building $165,538 | $3,988,800 (-2.47%) Land $1,340,200 Building $2,648,600 |
| 2024 | $23,757.00 (+1.76%) | ||
| 2023 | $23,345.00 (+16.14%) | $274,010 (+26.59%) Land $92,835 Building $181,175 | $4,089,700 (+31.31%) Land $1,385,600 Building $2,704,100 |
| 2022 | $20,101.00 | $216,457 Land $66,671 Building $149,786 | $3,114,500 Land $959,300 Building $2,155,200 |
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.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 12 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 16 units insured incl. 4 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 3 of 3 |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% 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 684 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: Verizon.
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