Boulder County property record for 4273 26th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.25 ba · 3,320 sqft · built 1991 |
| Lot Size | 0.201 acres (8,770 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $362,500 (Jul 1998) |
| Tax Bill | $6,555 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-1-11-002 |
| Primary APN | 1463-18-1-11-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,320 sqft Living Area |
| Gross Area | 4,082 sqft |
| 1st Floor Area | 1,368 sqft |
| Upper Floors Area | 916 sqft |
| Basement Area | 1,324 sqft |
| Finished Basement | 1,036 sqft |
| Unfinished Basement | 288 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,770 sqft (0.201 acres) |
| Garage Type | Attached |
| Garage Area | 474 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 66 sqft |
| Deck Area | 324 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0109874 |
|---|---|
| Street Address | 4273 26TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-0907 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 CASTLE PINES & 1/4 INT OUTLOT A |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | CASTLE PINES - BO |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 12103 |
Source: Boulder County records, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 4273 26TH ST, BOULDER, CO 80304-0907 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 27, 1998 · Amount on Record |
| Deed Sale | Jul 27, 1998 · Amount on Record |
| Prior Sale | Oct 1, 1991 · Amount on Record |
| Deed Document Number | 19981827806 |
| Last Transfer Date | Apr 7, 2010 |
| Transfer Doc | 0003074101 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $74,800 (-28.5%) Land $52,360 Building $22,440 | $1,100,000 (-34.29%) Land $770,000 Building $330,000 | |
| 2025 | $6,555.00 (-21.31%) | $104,619 (+3.27%) Land $49,488 Building $55,131 | $1,673,900 (+10.71%) Land $791,800 Building $882,100 |
| 2024 | $8,330.00 (-1.19%) | ||
| 2023 | $8,430.00 (+27.28%) | $101,305 (+42.04%) Land $51,155 Building $50,150 | $1,512,000 (+47.34%) Land $763,500 Building $748,500 |
| 2022 | $6,623.00 | $71,321 Land $41,269 Building $30,052 | $1,026,209 Land $593,800 Building $432,409 |
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 31 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 26 (1995–2014) |
| Claims Outside the SFHA | 14 of 26 |
| Most Recent Claim | May 2014 · other causes |
| 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 | Moderate above 61% of the US · above 49% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% 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 224 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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