Boulder County property record for 820 33rd St, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.75 ba · 2,256 sqft · built 1961 |
| Lot Size | 0.163 acres (7,116 sqft) |
| Owner | Individual Name on File |
| Last Sale | $710,000 (Feb 2011) |
| Tax Bill | $7,057 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-32-4-25-008 |
| Primary APN | 1463-32-4-25-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,256 sqft Living Area |
| 1st Floor Area | 1,274 sqft |
| Upper Floors Area | 982 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 7,116 sqft (0.163 acres) |
| Garage Type | Detached |
| Garage Area | 352 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 432 sqft |
| Deck Area | 112 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0011086 |
|---|---|
| Street Address | 820 33RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80303-2410 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 8 BLK 2 BASELINE 4 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 32 |
| Legal Subdivision | BASELINE 4 - BO |
| Legal Block | 2 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 12609 |
820 33rd St is owned and occupied by an individual who bought it in February 2011.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 820 33RD ST, BOULDER, CO 80303-2410 |
| 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 | Feb 1, 2011 · Amount on File |
| Deed Sale | Feb 1, 2011 · Amount on File |
| Prior Sale | Aug 2, 2002 · Amount on File |
| Deed Document Number | 20113130420 |
| Prior Transfer Date | Dec 21, 2010 |
| Prior Transfer Doc | 0003130418 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 820 33rd St was $7,057, down 5.4% from the year before.
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 | $75,772 (+2.37%) Land $24,908 Building $50,864 | $1,184,300 (-) Land $436,300 Building $748,000 | |
| 2025 | $7,057.00 (-5.38%) | $74,019 Land $27,269 Building $46,750 | $1,184,300 Land $436,300 Building $748,000 |
| 2024 | $7,458.00 (+1.77%) | ||
| 2023 | $7,328.00 (+17.66%) | $88,547 (+32.03%) Land $35,932 Building $52,615 | $1,321,600 (+36.95%) Land $536,300 Building $785,300 |
| 2022 | $6,228.00 | $67,067 Land $25,944 Building $41,123 | $965,000 Land $373,300 Building $591,700 |
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 820 33rd St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 File median of 19 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 77 units insured incl. 58 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 1 of 3 |
| 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.
The area around 820 33rd St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 584 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 |
May also be available: T-Mobile.
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