Boulder County property record for 3575 28th St, Apt 101, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.75 ba · 830 sqft · built 1984 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $308,000 (Sep 2018) |
| Tax Bill | $2,344 (2025) |
| Deeds & Mortgages | Sep 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-2-51-001 |
| Primary APN | 1463-20-2-51-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 830 sqft Living Area |
| 1st Floor Area | 830 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Heating System | Hot Water |
|---|
| Account Number | R0098805 |
|---|---|
| Street Address | 3575 28TH ST, 101 |
| City | BOULDER |
| State | CO |
| Zip | 80301-1539 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 101 BLDG 6 & UND 1/96 INT GCE PENDLETON SQUARE CONDOS PHASE VI |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | PENDLETON SQUARE CONDO PS V VI - BO |
| Legal Phase | 6 |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 12103 |
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 | 3575 28TH ST, 101, BOULDER, CO 80301-1539 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 6, 2018 · Amount on Record |
| Deed Sale | Sep 6, 2018 · Amount on Record |
| Prior Sale | Dec 17, 2015 · Amount on Record |
| Deed Document Number | 20183675176 |
| Prior Transfer Date | Aug 22, 1998 |
| Prior Transfer Doc | 0001838583 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 6, 2018 |
| Property Address | 3575 28TH ST APT 101, 101, BOULDER, CO 80301-1539 |
| Document Number | 0003675176 |
| Map Reference | DOC579191 |
| Instrument Date | Aug 31, 2018 |
| Instrument | 3675176 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $30.80 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 3576 28TH ST # 101, 101, BOULDER, CO 80301 |
| Document Number | 0003675177 |
|---|---|
| Date | Sep 6, 2018 |
| Instrument | 3675177 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Sep 1, 2033 |
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 | $23,244 (-2.08%) Building $23,244 | $379,800 (-) Building $379,800 | |
| 2025 | $2,344.00 (+21.96%) | $23,738 (-5.36%) Building $23,738 | $379,800 (+1.45%) Building $379,800 |
| 2023 | $1,922.00 (-12.16%) | $25,083 (+10.2%) Building $25,083 | $374,368 (+14.31%) Building $374,368 |
| 2022 | $2,188.00 | $22,761 Building $22,761 | $327,500 Building $327,500 |
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · rainfall accumulation |
| 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 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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 288 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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