Boulder County property record for 335 Colgate St, Boulder, CO 80305 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 3,320 sqft · built 1957 |
| Lot Size | 0.16 acres (6,988 sqft) |
| Owner | Company Name on File |
| Last Sale | $32,000 (Jun 1975) |
| Tax Bill | $7,255 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-3-22-009 |
| Primary APN | 1577-05-3-22-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,320 sqft Living Area |
| 1st Floor Area | 2,116 sqft |
| Basement Area | 1,204 sqft |
| Finished Basement | 1,204 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,988 sqft (0.16 acres) |
| Deck Area | 700 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Account Number | R0006507 |
|---|---|
| Street Address | 335 COLGATE ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5356 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 BLK 24 HIGHLAND PARK 5 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK 5 - BO |
| Legal Block | 24 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2030 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-05-3-22-009
Assessment roll updated June 15, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 335 COLGATE ST, BOULDER, CO 80305-5356 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 12, 1975 · Amount on Record |
| Deed Sale | Jun 12, 1975 · Amount on Record |
| Deed Document Number | 1975141013 |
| Last Transfer Date | Nov 22, 2006 |
| Transfer Doc | 0002822589 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $89,590 (+8.8%) Land $58,194 Building $31,396 | $1,317,500 (-) Land $855,800 Building $461,700 | |
| 2025 | $7,255.00 (+15.07%) | $82,344 (-1.26%) Land $53,488 Building $28,856 | $1,317,500 (+5.85%) Land $855,800 Building $461,700 |
| 2023 | $6,305.00 (+18.45%) | $83,394 (+29.75%) Land $61,385 Building $22,009 | $1,244,700 (+34.59%) Land $916,200 Building $328,500 |
| 2022 | $5,323.00 | $64,274 Land $45,154 Building $19,120 | $924,810 Land $649,700 Building $275,110 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130125052, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 34 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 17 (1980–2015) |
| Claims Outside the SFHA | 7 of 17 |
| Most Recent Claim | May 2015, alluvial fan flooding, Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| Wildfire Risk | Moderate above 62% of the US · above 51% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 585 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 515 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Lumen Technologies | Fiber | 2,000 / 1,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Lumen Technologies, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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