Boulder County property record for 1821 Walnut St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,116 sqft · built 1900 |
| Lot Size | 0.08 acres (3,466 sqft) |
| Owner | Company Name on Record |
| Last Sale | $965,000 (Apr 2025) |
| Tax Bill | $5,513 (2025) |
| Deeds & Mortgages | Jul 2023 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-30-4-27-009 |
| Primary APN | 1463-30-4-27-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,116 sqft Living Area |
| 1st Floor Area | 1,116 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 3,466 sqft (0.08 acres) |
| Porch | Porch |
| Porch Area | 50 sqft |
| Total Buildings | 2 Buildings |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | R0003195 |
|---|---|
| Street Address | 1821 WALNUT ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-5510 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | E 1/2 LOT 9 BLK 73 EAST BOULDER O T 2 IMPS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 73 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 12205 |
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 | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 243, BOULDER, CO 80306-0243 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 2, 2025 · Amount on Record |
| Deed Sale | Apr 2, 2025 · Amount on Record |
| Prior Sale | Jul 24, 2023 · Amount on Record |
| Deed Document Number | 20254081910 |
| Prior Transfer Date | Feb 1, 1998 |
| Prior Transfer Doc | 0001776209 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 24, 2023 |
| Property Address | 1821 WALNUT ST, BOULDER, CO 80302-5510 |
| Document Number | 0004015543 |
| Map Reference | MB 2 PG 46 |
| Instrument Date | Jul 21, 2023 |
| Instrument | 4015543 |
| Transaction Type | Transfer |
| Record Updated | Aug 17, 2023 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $92.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Severalty |
| Address | 1821 WALNUT STREET, ATLANTA, GA 30302 |
| Document Number | 0004015544 |
|---|---|
| Date | Jul 24, 2023 |
| Instrument | 4015544 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.67% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Aug 1, 2030 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 11.6% |
| Margin | 3 |
| Max Rate | 11.6% |
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 | $58,154 (+0.57%) Land $40,950 Building $17,204 | $925,200 (-) Land $672,200 Building $253,000 | |
| 2025 | $5,513.00 (+0.55%) | $57,825 (-12.5%) Land $42,013 Building $15,812 | $925,200 (-6.19%) Land $672,200 Building $253,000 |
| 2024 | $5,483.00 (+1.76%) | ||
| 2023 | $5,388.00 (+11.41%) | $66,083 (+30.95%) Land $49,681 Building $16,402 | $986,300 (+35.84%) Land $741,500 Building $244,800 |
| 2022 | $4,836.00 | $50,465 Land $37,183 Building $13,282 | $726,100 Land $535,000 Building $191,100 |
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 |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 31 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 64 units insured incl. 33 condo units |
| Nearby Flood Claims | 6 (2013) |
| Claims Outside the SFHA | 2 of 6 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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 | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 432 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 · DSL in parts of the area | 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 |
| AT&T Fixed Wireless | 100 / 20 |
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