Boulder County property record for 40 S 33rd St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,763 sqft · built 1955 |
| Lot Size | 0.173 acres (7,514 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,922 (2025) |
| Deeds & Mortgages | Jan 2018 Line of Credit Dec 2018 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-3-11-003 |
| Primary APN | 1577-05-3-11-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,763 sqft Living Area |
| Gross Area | 2,049 sqft |
| 1st Floor Area | 1,474 sqft |
| Upper Floors Area | 289 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,514 sqft (0.173 acres) |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 123 sqft |
| Deck Area | 54 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0009884 |
|---|---|
| Street Address | 40 S 33RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3424 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLK 5 MARTIN ACRES 1 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 1 - BO |
| Legal Block | 5 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 12507 |
40 S 33rd St is owned and occupied by an individual who acquired it in February 2019.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 40 S 33RD ST, BOULDER, CO 80305-3424 |
| 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.
| Date | Document |
|---|---|
| Jan 16, 2018 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| Dec 5, 2018 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 28, 1983 |
| Deed Sale | Feb 28, 1983 |
| Prior Sale | Jun 4, 1981 · Amount on File |
| Deed Document Number | 1983535145 |
| Last Transfer Date | Feb 15, 2019 |
| Transfer Doc | 0003698479 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 40 S 33RD ST, BOULDER, CO 80305-3424 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | AMERICAN TITLE INC |
| Name | Verified Name |
|---|
| Document Number | 0003635993 |
|---|---|
| Date | Jan 16, 2018 |
| Instrument | 3635993 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Lending Institution |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jan 3, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 5, 2018 |
| Property Address | 40 S 33RD ST, BOULDER, CO 80305-3424 |
| Document Number | 0003688759 |
| Instrument Date | Dec 5, 2018 |
| Instrument | 3688759 |
| Transaction Type | Transfer |
| Record Updated | Dec 13, 2018 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 40 S 33RD ST BOULDER CO 803053424, BOULDER, CO 80305-3424 |
The 2025 property tax bill for 40 S 33rd St was $4,922.
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 | $58,208 (+0.58%) Land $34,129 Building $24,079 | $926,000 (-) Land $571,900 Building $354,100 | |
| 2025 | $4,922.00 | $57,875 Land $35,744 Building $22,131 | $926,000 Land $571,900 Building $354,100 |
| 2023 | $4,860.00 (+16.21%) | $66,665 (+28.22%) Land $41,888 Building $24,777 | $995,000 (+33%) Land $625,200 Building $369,800 |
| 2022 | $4,182.00 | $51,993 Land $31,067 Building $20,926 | $748,100 Land $447,000 Building $301,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 40 S 33rd St in Zone X, an area of moderate flood risk, though there have been 1 flood claim nearby since 2013.
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 |
| 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.
Wildfire risk around 40 S 33rd St is low, with a 0.03% annual chance of wildfire.
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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