Boulder County property record for 335 28th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,122 sqft · built 1954 |
| Lot Size | 0.145 acres (6,313 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $658,888 (Feb 2021) |
| Tax Bill | $4,796 (2025) |
| Deeds & Mortgages | Feb 2021 Sale & Mortgage Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-04-025 |
| Primary APN | 1577-05-2-04-025 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,122 sqft Living Area |
| 1st Floor Area | 1,122 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,313 sqft (0.145 acres) |
| Patio Area | 224 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0000535 |
|---|---|
| Street Address | 335 28TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3311 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 25 BLK 3 HIGHLAND PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK - BO |
| Legal Block | 3 |
| Legal Lot Number | 25 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12507 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 2579 SUMAC AVE, BOULDER, CO 80304-0922 |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Feb 22, 2021 | Warranty Deed, Transfer · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC |
| Sep 3, 2020 | Quit Claim Deed, Transfer · Conventional Mortgage HOME POINT FINANCIAL CORPORATION |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 22, 2021 · Amount on Record |
| Deed Sale | Feb 22, 2021 · Amount on Record |
| Prior Sale | May 2, 2011 · Amount on Record |
| Deed Document Number | 20213861051 |
| Prior Transfer Date | Aug 20, 2020 |
| Prior Transfer Doc | 0003812665 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 22, 2021 |
| Property Address | 335 28TH ST, BOULDER, CO 80305-3311 |
| Document Number | 0003861051 |
| Instrument Date | Feb 19, 2021 |
| Instrument | 3861051 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | HERITAGE TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $65.89 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Severalty |
| Address | 335 28TH ST, BOULDER, CO 80305-3311 |
| Document Number | 0003861052 |
|---|---|
| Date | Feb 22, 2021 |
| Instrument | 3861052 |
| Name | CHERRY CREEK MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 3, 2020 |
| Property Address | 335 28TH ST, BOULDER, CO 80305-3311 |
| Document Number | 0003812665 |
| Instrument Date | Aug 20, 2020 |
| Instrument | 3812665 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | TIAGO NATIONAL TITLE LLC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 335 28TH ST, 335, BOULDER, CO 80305-3311 |
| Name | Verified Name |
|---|---|
| Address | 335 28TH ST, BOULDER, CO 80305-3311 |
| Document Number | 0003812666 |
|---|---|
| Date | Sep 3, 2020 |
| Instrument | 3812666 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 1, 2050 |
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 | $49,048 (-0.83%) Land $24,690 Building $24,358 | $791,300 (-) Land $433,100 Building $358,200 | |
| 2025 | $4,796.00 (+2.57%) | $49,457 (-13.18%) Land $27,069 Building $22,388 | $791,300 (-6.93%) Land $433,100 Building $358,200 |
| 2023 | $4,676.00 (+17.4%) | $56,963 (+32.79%) Land $31,838 Building $25,125 | $850,200 (+37.75%) Land $475,200 Building $375,000 |
| 2022 | $3,983.00 | $42,896 Land $24,117 Building $18,779 | $617,200 Land $347,000 Building $270,200 |
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 64% of the US · lower than 81% 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 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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