Boulder County property record for 753 Marine St, Boulder, CO 80302
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 7 bd · 3 ba · 3,096 sqft · built 1954 |
| Lot Size | 0.147 acres (6,380 sqft) |
| Owner | Company Name on File |
| Last Sale | $73,500 (Jan 1980) |
| Tax Bill | $12,503 (2025) |
| Deeds & Mortgages | Dec 2019 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 1461-36-1-21-016 |
| Primary APN | 1461-36-1-21-016 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,096 sqft Living Area |
| 1st Floor Area | 1,638 sqft |
| Upper Floors Area | 1,458 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,380 sqft (0.147 acres) |
| Porch | Porch |
| Porch Area | 78 sqft |
| Deck Area | 72 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007573 |
|---|---|
| Street Address | 753 MARINE ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-5997 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | E 30 FT M/L LOT 7 & W 3 FT M/L LOT 8 BLK 11 SMITHS TO WEST BOULDER |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | SMITHS TO WEST BOULDER - BO |
| Legal Block | 11 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12201 |
753 Marine St, a residential property, is owned by a company that acquired it in December 2019.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4475 51ST ST, BOULDER, CO 80301-4301 |
| Owner Type | Company |
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 | Jan 17, 1980 · Amount on File |
| Deed Sale | Jan 17, 1980 · Amount on File |
| Prior Sale | Jul 2, 1979 |
| Deed Document Number | 1980379314 |
| Last Transfer Date | Dec 11, 2019 |
| Transfer Doc | 0003754516 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 12, 2019 |
| Property Address | 753 MARINE ST, BOULDER, CO 80302-5997 |
| Document Number | 0003754516 |
| Instrument Date | Dec 11, 2019 |
| Instrument | 3754516 |
| Transaction Type | Transfer |
| Record Updated | Dec 24, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4475 51ST ST BOULDER CO 803014301, BOULDER, CO 80301-4301 |
The 2025 property tax bill for 753 Marine St was $12,503, up 4.3% from the year before.
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 | $136,075 (+5.12%) Land $67,341 Building $68,734 | $2,071,100 (-) Land $1,060,300 Building $1,010,800 | |
| 2025 | $12,503.00 (+4.25%) | $129,444 Land $66,269 Building $63,175 | $2,071,100 Land $1,060,300 Building $1,010,800 |
| 2024 | $11,993.00 (+1.81%) | ||
| 2023 | $11,780.00 (+13.86%) | $138,362 (+26.01%) Land $67,958 Building $70,404 | $2,065,100 (+27.89%) Land $1,014,300 Building $1,050,800 |
| 2022 | $10,346.00 | $109,800 Land $55,896 Building $53,904 | $1,614,700 Land $822,000 Building $792,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 753 Marine St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 26 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 41 units insured incl. 15 condo units |
| Nearby Flood Claims | 19 (1983–2014) |
| Claims Outside the SFHA | 7 of 19 |
| Most Recent Claim | Jul 2014 · 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 753 Marine St is moderate, ranking above 61% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 61% of the US · above 48% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 426 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless · Fiber in parts of the area | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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