Boulder County property record for 45 S 33rd St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,338 sqft · built 1955 |
| Lot Size | 0.196 acres (8,525 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $85,300 (Oct 1989) |
| Tax Bill | $6,478 (2025) |
| Deeds & Mortgages | May 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-3-10-005 |
| Primary APN | 1577-05-3-10-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,338 sqft Living Area |
| Gross Area | 2,566 sqft |
| 1st Floor Area | 1,638 sqft |
| Upper Floors Area | 700 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 8,525 sqft (0.196 acres) |
| Garage Type | Attached |
| Garage Area | 228 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 168 sqft |
| Patio Area | 456 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | R0010013 |
|---|---|
| Street Address | 45 S 33RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 7 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 | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 12507 |
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 | 45 S 33RD ST, BOULDER, CO 80305-3423 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 30, 1989 · Amount on Record |
| Deed Sale | Oct 30, 1989 · Amount on Record |
| Deed Document Number | 19891010810 |
| Last Transfer Date | May 17, 2018 |
| Transfer Doc | 0003656608 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 21, 2018 |
| Property Address | 45 S 33RD ST, BOULDER, CO 80305-3423 |
| Document Number | 0003656608 |
| Instrument Date | May 17, 2018 |
| Instrument | 3656608 |
| Transaction Type | Transfer |
| Record Updated | Jun 4, 2018 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 45 S 33RD ST BOULDER CO 803053423, BOULDER, CO 80305-3423 |
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 | $75,963 (+2.38%) Land $36,666 Building $39,297 | $1,187,100 (-) Land $609,200 Building $577,900 | |
| 2025 | $6,478.00 (-7.34%) | $74,194 (-12.35%) Land $38,075 Building $36,119 | $1,187,100 (-6.04%) Land $609,200 Building $577,900 |
| 2023 | $6,991.00 (+15.21%) | $84,648 (+29.54%) Land $44,615 Building $40,033 | $1,263,400 (+34.38%) Land $665,900 Building $597,500 |
| 2022 | $6,068.00 | $65,344 Land $33,089 Building $32,255 | $940,200 Land $476,100 Building $464,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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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