Boulder County property record for 3545 28th St, Apt 307, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 595 sqft · built 1983 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | Individual Name on File |
| Last Sale | $255,000 (Aug 2026) |
| Tax Bill | $1,726 (2025) |
| Deeds & Mortgages | Aug 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-2-49-021 |
| Primary APN | 1463-20-2-49-021 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 595 sqft Living Area |
| 1st Floor Area | 595 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Garage Type | Carport |
| Garage Area | 128 sqft |
| Carport | Carport |
| Carport Area | 128 sqft |
| Deck Area | 91 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0097812 |
|---|---|
| Street Address | 3545 28TH ST, 307 |
| City | BOULDER |
| State | CO |
| Zip | 80301-1576 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 307 BLDG 4 PENDLETON SQUARE CONDOS PHASE IV |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | PENDLETON SQUARE PHASE IV - BO |
| Legal Phase | 4 |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 12103 |
3545 28th St, Apt 307 is owned and occupied by an individual who bought it in August 2026.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3545 28TH ST, 307, BOULDER, CO 80301-1576 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 27, 2026 · Amount on File |
| Deed Sale | Aug 27, 2026 · Amount on File |
| Prior Sale | Jul 27, 1992 · Amount on File |
| Deed Document Number | 20264145464 |
| Prior Transfer Date | Oct 27, 2025 |
| Prior Transfer Doc | 0004107397 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 27, 2026 |
| Property Address | 3545 28TH ST, 307, BOULDER, CO 80301-1576 |
| Document Number | 0004145464 |
| Instrument Date | Aug 25, 2026 |
| Instrument | 20264145464 |
| Transaction Type | Transfer |
| Record Updated | Sep 9, 2026 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,575.50 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3545 28TH ST, 307, BOULDER, CO 80301-1576 |
| Document Number | 0004145465, |
|---|---|
| Date | Aug 27, 2026 |
| Instrument | 20264145465 |
| Name | CMG MORTGAGE INC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Initial Type | Fixed Rate |
| Max Rate | -1% |
The 2025 property tax bill for 3545 28th St, Apt 307 was $1,726.
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 | $16,903 (-2.09%) Building $16,903 | $276,200 (-) Building $276,200 | |
| 2025 | $1,726.00 | $17,263 Building $17,263 | $276,200 Building $276,200 |
| 2023 | $1,178.00 (-17.74%) | $17,330 (+12.32%) Building $17,330 | $258,656 (+16.51%) Building $258,656 |
| 2022 | $1,432.00 | $15,429 Building $15,429 | $222,000 Building $222,000 |
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.
FEMA maps place 3545 28th St, Apt 307 in Zone X, an area of minimal flood risk, though there have been 18 flood claims nearby since 1995.
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 |
| Flood Insurance Cost | Premium on File 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.
Wildfire risk around 3545 28th St, Apt 307 is low, with a 0.01% annual chance of wildfire.
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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