Boulder County property record for 635 Walnut St, Apt 2, Boulder, CO 80302
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.5 ba · 1,133 sqft · built 1936 |
| Lot Size | 0.001 acres (26 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $75,000 (May 1989) |
| Tax Bill | $4,077 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1461-25-4-53-002 |
| Primary APN | 1461-25-4-53-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Units | 5 Units |
| Building Area | 1,133 sqft Living Area |
| 1st Floor Area | 728 sqft |
| Upper Floors Area | 405 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Townhouse |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 26 sqft (0.001 acres) |
| Deck Area | 150 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0090450 |
|---|---|
| Street Address | 635 WALNUT ST, 2 |
| City | BOULDER |
| State | CO |
| Zip | 80302-5062 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 2 WALNUT CENTER CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | WALNUT CENTER CONDOS - BO |
| Legal Block | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 12201 |
Source: Boulder County records, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 303 HOLLYBERRY LN, BOULDER, CO 80305-5230 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 30, 1989 · Amount on Record |
| Deed Sale | May 30, 1989 · Amount on Record |
| Prior Sale | Sep 3, 1981 · Amount on Record |
| Deed Document Number | 1989984755 |
| Last Transfer Date | Apr 11, 1994 |
| Transfer Doc | 0001415409 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $45,601 (+8.8%) Building $45,601 | $670,600 (-) Building $670,600 | |
| 2025 | $4,077.00 (+21.74%) | $41,913 (+0.74%) Building $41,913 | $670,600 (+7.99%) Building $670,600 |
| 2023 | $3,349.00 (-0.42%) | $41,606 (+17.5%) Building $41,606 | $620,987 (+21.88%) Building $620,987 |
| 2022 | $3,363.00 | $35,410 Building $35,410 | $509,500 Building $509,500 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 34 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 66 units insured incl. 32 condo units |
| Nearby Flood Claims | 16 (1994–2017) |
| Claims Outside the SFHA | 10 of 16 |
| Most Recent Claim | Aug 2017 · other causes |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 44% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect 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 426 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless · Fiber in parts of the area | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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