Boulder County property record for 910 Hawthorn Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,269 sqft · built 1900 |
| Lot Size | 0.205 acres (8,945 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $219,000 (Feb 1993) |
| Tax Bill | $10,710 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1461-24-4-00-143 |
| Primary APN | 1461-24-4-00-143 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,269 sqft Living Area |
| Gross Area | 2,461 sqft |
| 1st Floor Area | 1,347 sqft |
| Upper Floors Area | 922 sqft |
| Basement Area | 192 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 8,945 sqft (0.205 acres) |
| Garage Type | Detached |
| Garage Area | 308 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 85 sqft |
| Deck Area | 568 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0000470 |
|---|---|
| Street Address | 910 HAWTHORN AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-2144 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TR 409 LESS A & C & D 24-1N-71 0.21 ACS M/L SEE SPLIT 94074 1983 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | TR, NBR 101-103,105,107,109,170 |
| Legal Tract | 409 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2015 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 910 HAWTHORN AVE, BOULDER, CO 80304-2144 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 1, 1993 · Amount on Record |
| Deed Sale | Feb 1, 1993 · Amount on Record |
| Prior Sale | Mar 26, 1985 |
| Deed Document Number | 19931261873-4 |
| Last Transfer Date | Dec 19, 1996 |
| Transfer Doc | 0001666976 |
| Record Updated | Oct 29, 2026 |
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 | $117,450 (+4.56%) Land $105,229 Building $12,221 | $1,797,200 (-) Land $1,617,480 Building $179,720 | |
| 2025 | $10,710.00 (+1.96%) | $112,326 (-10.37%) Land $101,093 Building $11,233 | $1,797,200 (-3.92%) Land $1,617,480 Building $179,720 |
| 2023 | $10,504.00 (+20.13%) | $125,324 (+33.09%) Land $111,944 Building $13,380 | $1,870,500 (+38.05%) Land $1,670,800 Building $199,700 |
| 2022 | $8,744.00 | $94,166 Land $80,787 Building $13,379 | $1,354,900 Land $1,162,400 Building $192,500 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 63 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026 · 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 65% of the US · lower than 82% of Colorado |
|---|---|
| Wildfire Likelihood | 0.06% 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 483 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures