Boulder County property record for 340 28th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.5 ba · 1,471 sqft · built 1954 |
| Lot Size | 0.148 acres (6,434 sqft) |
| Owner | Company Name on Record |
| Last Sale | $850,000 (Aug 2026) |
| Tax Bill | $5,416 (2025) |
| Deeds & Mortgages | Aug 2026 Sale Dec 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-05-013 |
| Primary APN | 1577-05-2-05-013 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,471 sqft Living Area |
| 1st Floor Area | 1,471 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shake/Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,434 sqft (0.148 acres) |
| Porch | Slab |
| Porch Area | 70 sqft |
| Patio Area | 160 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0001473 |
|---|---|
| Street Address | 340 28TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3312 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 13 BLK 6 HIGHLAND PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK - BO |
| Legal Block | 6 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12507 |
Source: Boulder County records, as of October 16, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 7407 AVENIDA DE PALAIS, CARLSBAD, CA 92009-6906 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Aug 13, 2026 | Warranty Deed, Transfer FIRST ALLIANCE TITLE |
| Dec 10, 2020 | Deed of Trust, Mortgage · Conventional Mortgage US BANK NA |
| Jul 11, 2018 | Warranty Deed, Transfer · Conventional Mortgage TIAA FSB |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 13, 2026 · Amount on Record |
| Deed Sale | Aug 13, 2026 · Amount on Record |
| Prior Sale | Jul 11, 2018 · Amount on Record |
| Deed Document Number | 20264143800 |
| Prior Transfer Date | Jan 4, 2019 |
| Prior Transfer Doc | 0003699159 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 13, 2026 |
| Property Address | 340 28TH ST, BOULDER, CO 80305-3312 |
| Document Number | 0004143800 |
| Instrument Date | Jul 24, 2026 |
| Instrument | 20264143800 |
| Transaction Type | Transfer |
| Record Updated | Aug 25, 2026 |
| Title Company | FIRST ALLIANCE TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $8,585.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership |
| Address | 7407 AVENIDA DE PALAIS, CARLSBAD, CA 92009-6906 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 340 28TH ST, BOULDER, CO 80305-3312 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0003840368 |
|---|---|
| Date | Dec 10, 2020 |
| Instrument | 3840368 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 11, 2018 |
| Property Address | 340 28TH ST, BOULDER, CO 80305-3312 |
| Document Number | 0003665297 |
| Instrument Date | Jul 9, 2018 |
| Instrument | 3665297 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2018 |
| Title Company | HERITAGE TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $65.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 340 28TH ST BOULDER CO 803053312, BOULDER, CO 80305-3312 |
| Document Number | 3665298 |
|---|---|
| Date | Jul 11, 2018 |
| Instrument | 3665298 |
| Name | TIAA FSB |
|---|---|
| Address | JACKSONVILLE, FL 32202 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 10, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.25% |
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 | $57,045 (+0.42%) Land $24,969 Building $32,076 | $908,900 (-) Land $437,200 Building $471,700 | |
| 2025 | $5,416.00 (-0.2%) | $56,806 (-13.19%) Land $27,325 Building $29,481 | $908,900 (-6.94%) Land $437,200 Building $471,700 |
| 2024 | $5,427.00 (+1.76%) | ||
| 2023 | $5,333.00 (+12.51%) | $65,439 (+28.19%) Land $32,140 Building $33,299 | $976,700 (+32.97%) Land $479,700 Building $497,000 |
| 2022 | $4,740.00 | $51,048 Land $24,346 Building $26,702 | $734,500 Land $350,300 Building $384,200 |
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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