Boulder County property record for 85 S 33rd St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,120 sqft · built 1955 |
| Lot Size | 0.182 acres (7,907 sqft) |
| Owner | Company Name on Record |
| Last Sale | $600,000 (Jul 2017) |
| Tax Bill | $4,953 (2025) |
| Deeds & Mortgages | Sep 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-3-10-007 |
| Primary APN | 1577-05-3-10-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,120 sqft Living Area |
| Gross Area | 1,734 sqft |
| 1st Floor Area | 1,120 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,907 sqft (0.182 acres) |
| Garage Type | Attached |
| Garage Area | 614 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 63 sqft |
| Patio Area | 255 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0013007 |
|---|---|
| Street Address | 85 S 33RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 BLK 4 MARTIN ACRES 1 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 1 - BO |
| Legal Block | 4 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12507 |
Source: Boulder County records, as of October 16, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 6371 SWALLOW LN, BOULDER, CO 80303-1459 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 26, 2017 · Amount on Record |
| Deed Sale | Jul 26, 2017 · Amount on Record |
| Prior Sale | May 2, 1997 · Amount on Record |
| Deed Document Number | 20173605524 |
| Last Transfer Date | Sep 28, 2026 |
| Transfer Doc | 0004148783 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 28, 2026 |
| Property Address | 85 S 33RD ST, BOULDER, CO 80305-3423 |
| Document Number | 0004148783 |
| Instrument Date | Sep 28, 2026 |
| Instrument | 20264148783 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership |
| Address | 6371 SWALLOW LN, BOULDER, CO 80303-1459 |
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 | $50,837 (-0.51%) Land $35,136 Building $15,701 | $817,600 (-) Land $586,700 Building $230,900 | |
| 2025 | $4,953.00 (+3.45%) | $51,100 (-12.3%) Land $36,669 Building $14,431 | $817,600 (-5.99%) Land $586,700 Building $230,900 |
| 2023 | $4,788.00 (+13%) | $58,270 (+29.99%) Land $42,967 Building $15,303 | $869,700 (+34.84%) Land $641,300 Building $228,400 |
| 2022 | $4,237.00 | $44,828 Land $31,873 Building $12,955 | $645,000 Land $458,600 Building $186,400 |
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 | 0.03% 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 451 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 |
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