Boulder County property record for 4335 Martin Dr, Boulder, CO 80305 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1985 |
| Square Footage | 1,152 sqft Living Area |
| Lot Size | 7,451 sqft (0.171 acres) |
| Garage | Attached, 220 sqft |
| Last Sale | $650,500 (2021) |
| Tax Bill | $4,504.00 (2025) |
| Primary APN | 1577-05-4-29-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,152 sqft Living Area |
| Gross Area | 1,372 sqft Gross Area |
| 1st Floor | 1,152 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,451 sqft (0.171 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 220 sqft Garage |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0010586 |
|---|---|
| Street Address | 4335 MARTIN DR |
| City | BOULDER |
| State | CO |
| Zip | 80305-6001 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 5 BLK 12 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 12 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1025 |
| Census Tract | 12507 |
Source: Boulder County records · APN 1577-05-4-29-005
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | 4335 MARTIN DR, BOULDER, CO 80305-6001 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Dec 04, 2025 | Intrafamily Transfer, Transfer |
| Mar 29, 2021 | Personal Representative Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20213872315 |
| Last Transfer Date | Dec 04, 2025 |
| Transfer Doc | 0004112063 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 04, 2025 |
| Property Address | 4335 MARTIN DR, BOULDER, CO 80305-6001 |
| Document Number | 0004112063 |
| Instrument Date | Dec 04, 2025 |
| Instrument | 4112063 |
| Transaction Type | Transfer |
| Record Updated | Dec 22, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 4335 MARTIN DR, BOULDER, CO 80305-6001 |
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 29, 2021 |
| Property Address | 4335 MARTIN DR, BOULDER, CO 80305-6001 |
| Document Number | 0003872315 |
| Instrument Date | Mar 19, 2021 |
| Instrument | 3872315 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $65.05 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4335 MARTIN DR, BOULDER, CO 80305-6001 |
| Document Number | 0003872316 |
|---|---|
| Date | Mar 29, 2021 |
| Instrument | 3872316 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2051 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $51,402 (+8.8%) Land $35,510 Building $15,892 | $755,900 (-) Land $522,200 Building $233,700 | |
| 2025 | $4,504.00 (+2.62%) | $47,244 (-5.4%) Land $32,638 Building $14,606 | $755,900 (-5.56%) Land $522,200 Building $233,700 |
| 2024 | $4,389.00 (+1.79%) | $49,942 (-6.87%) Land $34,364 Building $15,578 | $800,400 (-) Land $567,900 Building $232,500 |
| 2023 | $4,312.00 (+12.94%) | $53,627 (+30.41%) Land $38,049 Building $15,578 | $800,400 (+35.27%) Land $567,900 Building $232,500 |
| 2022 | $3,818.00 | $41,123 Land $28,377 Building $12,746 | $591,700 Land $408,300 Building $183,400 |
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