Boulder County property record for 300 30th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,128 sqft · built 1955 |
| Lot Size | 0.146 acres (6,353 sqft) |
| Owner | Company Name on Record |
| Last Sale | $589,000 (Sep 2017) |
| Tax Bill | $4,606 (2025) |
| Deeds & Mortgages | Sep 2025 Transfer Sep 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-10-010 |
| Primary APN | 1577-05-2-10-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,128 sqft Living Area |
| 1st Floor Area | 1,128 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,353 sqft (0.146 acres) |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0005189 |
|---|---|
| Street Address | 300 30TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3322 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 10 HIGHLAND PARK 1 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK 1 - BO |
| Legal Block | 10 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 12507 |
Source: Boulder County records, as of July 6, 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 | 4450 GRANGE RD, SANTA ROSA, CA 95404-9589 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Sep 25, 2025 | Intrafamily Transfer, Transfer |
| Sep 5, 2017 | Warranty Deed, Transfer LAND TITLE GUARANTEE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 5, 2017 · Amount on Record |
| Deed Sale | Sep 5, 2017 · Amount on Record |
| Prior Sale | Nov 25, 2003 · Amount on Record |
| Deed Document Number | 20173613237 |
| Prior Transfer Date | Nov 23, 1993 |
| Prior Transfer Doc | 0001367460 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 25, 2025 |
| Property Address | 300 30TH ST, BOULDER, CO 80305-3322 |
| Document Number | 0004103496 |
| Instrument Date | Aug 27, 2025 |
| Instrument | 4103496 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4450 GRANGE RD, SANTA ROSA, CA 95404-9589 |
| Name | Verified Name |
|---|---|
| Address | 4450 GRANGE RD, SANTA ROSA, CA 95404-9589 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 5, 2017 |
| Property Address | 300 30TH ST, BOULDER, CO 80305-3322 |
| Document Number | 0003613237 |
| Instrument Date | Sep 5, 2017 |
| Instrument | 3613237 |
| Transaction Type | Transfer |
| Record Updated | Sep 19, 2017 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Tax | $58.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4450 GRANGE RD SANTA ROSA CA 954049589, SANTA ROSA, CA 95404-9589 |
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 | $52,564 (+8.8%) Land $29,539 Building $23,025 | $773,000 (-) Land $434,400 Building $338,600 | |
| 2025 | $4,606.00 (+0.68%) | $48,313 (-7.21%) Land $27,150 Building $21,163 | $773,000 (-7.1%) Land $434,400 Building $338,600 |
| 2024 | $4,575.00 (+1.76%) | $52,066 (-6.61%) Land $28,254 Building $23,812 | $832,100 (-) Land $476,700 Building $355,400 |
| 2023 | $4,496.00 (+10.88%) | $55,751 (+28.95%) Land $31,939 Building $23,812 | $832,100 (+33.76%) Land $476,700 Building $355,400 |
| 2022 | $4,055.00 | $43,236 Land $24,193 Building $19,043 | $622,100 Land $348,100 Building $274,000 |
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 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 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.02% 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 294 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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