Boulder County property record for 600 11th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 4,710 sqft · built 1952 |
| Lot Size | 0.342 acres (14,875 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $2,595,000 (Jun 2008) |
| Tax Bill | $24,903 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1579-01-1-01-004 |
| Primary APN | 1579-01-1-01-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 4,710 sqft Living Area |
| Gross Area | 5,573 sqft |
| 1st Floor Area | 2,505 sqft |
| Upper Floors Area | 903 sqft |
| Basement Area | 1,622 sqft |
| Finished Basement | 1,302 sqft |
| Unfinished Basement | 320 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 14,875 sqft (0.342 acres) |
| Garage Type | Attached |
| Garage Area | 291 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 432 sqft |
| Patio Area | 225 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0001059 |
|---|---|
| Street Address | 600 11TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7511 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4 HOLMES PLACE |
| Legal Range | 71 |
| Legal Township | 1S |
| Legal Section | 01 |
| Legal Subdivision | HOLMES PLACE - BO |
| Legal Block | 3 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 12505 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 600 11TH ST, BOULDER, CO 80302-7511 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 10, 2008 · Amount on Record |
| Deed Sale | Jun 10, 2008 · Amount on Record |
| Prior Sale | Mar 16, 2001 · Amount on Record |
| Deed Document Number | 20082935271 |
| Prior Transfer Date | Jun 20, 2007 |
| Prior Transfer Doc | 0002865030 |
| 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 | $286,205 (+7.02%) Land $160,725 Building $125,480 | $4,278,900 (-) Land $2,433,600 Building $1,845,300 | |
| 2025 | $24,903.00 (+4.29%) | $267,431 (-4.56%) Land $152,100 Building $115,331 | $4,278,900 (+2.32%) Land $2,433,600 Building $1,845,300 |
| 2023 | $23,879.00 (+17.19%) | $280,194 (+27.7%) Land $155,963 Building $124,231 | $4,182,000 (+32.46%) Land $2,327,800 Building $1,854,200 |
| 2022 | $20,376.00 | $219,418 Land $129,958 Building $89,460 | $3,157,100 Land $1,869,900 Building $1,287,200 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 6 (1980–2013) |
| Claims Outside the SFHA | 5 of 6 |
| 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 73% of the US · above 70% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% 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 480 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 | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative.
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