Boulder County property record for 3820 26th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 4,535 sqft · built 1980 |
| Lot Size | 0.495 acres (21,575 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,467,500 (Sep 2019) |
| Tax Bill | $12,980 (2025) |
| Deeds & Mortgages | Sep 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-17-3-13-004 |
| Primary APN | 1463-17-3-13-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,535 sqft Living Area |
| Gross Area | 5,255 sqft |
| 1st Floor Area | 2,476 sqft |
| Upper Floors Area | 1,106 sqft |
| Basement Area | 1,097 sqft |
| Finished Basement | 953 sqft |
| Unfinished Basement | 144 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Concrete |
| Lot Area | 21,575 sqft (0.495 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 36 sqft |
| Deck Area | 381 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0078023 |
|---|---|
| Street Address | 3820 26TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1352 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4 WINDING TRAIL ESTATES SOUTH |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 17 |
| Legal Subdivision | WINDING TRAIL ESTATES SOUTH - BO |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 12103 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3820 26TH ST, BOULDER, CO 80304-1352 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 20, 2019 · Amount on Record |
| Deed Sale | Sep 20, 2019 · Amount on Record |
| Prior Sale | Aug 31, 1992 · Amount on Record |
| Deed Document Number | 20193737381 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 20, 2019 |
| Property Address | 3820 26TH ST, BOULDER, CO 80304-1352 |
| Document Number | 0003737381 |
| Map Reference | DOC 349558 |
| Instrument Date | Sep 17, 2019 |
| Instrument | 3737381 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $146.75 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 3820 26TH ST, 3820, BOULDER, CO 80304-1352 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3820 26TH ST, BOULDER, CO 80304-1352 |
| Document Number | 0003737382 |
|---|---|
| Date | Sep 20, 2019 |
| Instrument | 3737382 |
| Name | UBS BANK USA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Oct 1, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.75% |
| Index | 1-Year LIBOR |
| Max Rate | 8.75% |
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 | $143,351 (+5.3%) Land $53,856 Building $89,495 | $2,178,100 (-) Land $862,000 Building $1,316,100 | |
| 2025 | $12,980.00 (+5.55%) | $136,131 (-6.82%) Land $53,875 Building $82,256 | $2,178,100 (-0.11%) Land $862,000 Building $1,316,100 |
| 2023 | $12,298.00 (+25.58%) | $146,094 (+38.53%) Land $62,692 Building $83,402 | $2,180,500 (+43.7%) Land $935,700 Building $1,244,800 |
| 2022 | $9,793.00 | $105,460 Land $53,154 Building $52,306 | $1,517,400 Land $764,800 Building $752,600 |
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.
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 Record median of 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · rainfall accumulation |
| 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 | Low lower than 66% of the US · lower than 83% 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 341 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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