Boulder County property record for 851 Euclid Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,131 sqft · built 1904 |
| Lot Size | 0.107 acres (4,662 sqft) |
| Owner | Individual Name on File |
| Last Sale | $325,500 (May 1999) |
| Tax Bill | $6,475 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-4-16-010 |
| Primary APN | 1461-36-4-16-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,131 sqft Living Area |
| 1st Floor Area | 741 sqft |
| Upper Floors Area | 390 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 4,662 sqft (0.107 acres) |
| Patio Area | 65 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0001238 |
|---|---|
| Street Address | 851 EUCLID AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7114 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 11-12 LESS E 80 FT BLK 4 ROSE HILL |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | ROSE HILL - BO |
| Legal Block | 4 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3019 |
| Census Tract | 12201 |
851 Euclid Ave is owned and occupied by an individual who acquired it in November 1999.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 851 EUCLID AVE, BOULDER, CO 80302-7114 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 19, 1999 · Amount on File |
| Deed Sale | May 19, 1999 · Amount on File |
| Prior Sale | Mar 13, 1989 · Amount on File |
| Deed Document Number | 19991940619 |
| Last Transfer Date | Nov 30, 1999 |
| Transfer Doc | 0002013483 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 851 Euclid Ave was $6,475.
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 | $69,129 (+1.79%) Land $61,740 Building $7,389 | $1,086,600 (-) Land $977,940 Building $108,660 | |
| 2025 | $6,475.00 | $67,912 Land $61,121 Building $6,791 | $1,086,600 Land $977,940 Building $108,660 |
| 2023 | $5,847.00 (+7.17%) | $71,402 (+21.52%) Land $64,262 Building $7,140 | $1,065,700 (+26.06%) Land $959,130 Building $106,570 |
| 2022 | $5,456.00 | $58,756 Land $52,880 Building $5,876 | $845,400 Land $760,860 Building $84,540 |
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 851 Euclid Ave in Zone X, an area of minimal flood risk, though there have been 29 flood claims nearby since 1983.
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 File median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 2025 · 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.
Wildfire risk around 851 Euclid Ave is moderate, ranking above 54% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 54% of the US · lower than 62% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% 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 550 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: Magnolia Road Internet Cooperative, Verizon.
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