4205 Martin Dr, Boulder, CO 80305 Property Records

Boulder County property record for 4205 Martin Dr, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,372 sqft · built 1956
Lot Size	0.171 acres (7,462 sqft)
Owner	2 Individual Names on Record
Last Sale	$993,000 (Aug 2022)
Tax Bill	$5,240 (2025)
Deeds & Mortgages	Aug 2022 Sale & Mortgage Jun 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1577-05-4-29-001`

Property Details

APN / Parcel Number

Primary APN	`1577-05-4-29-001`
Alternative APNs	`R0011795` `0011795`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,372 sqft Living Area
Gross Area	1,708 sqft
1st Floor Area	1,372 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1956
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,462 sqft (0.171 acres)
Garage Type	Attached
Garage Area	336 sqft
Parking Spaces	1 Parking Space

Exterior Amenities

Porch	Porch
Porch Area	98 sqft
Shed	1 Shed
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0011795
Street Address	4205 MARTIN DR
City	BOULDER
State	CO
Zip	80305-5433
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 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	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1025
Census Tract	12507

Owner

Source: Boulder County records, as of September 18, 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	2 Individual Names on Record
Mailing Address	4205 MARTIN DR, BOULDER, CO 80305-5433
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2022	Special Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jun 23, 2022	Intrafamily Transfer, Transfer
Jul 14, 2021	Special Warranty Deed, Transfer FIRST AMERICAN

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 3, 2022 · Amount on Record
Deed Sale	Aug 3, 2022 · Amount on Record
Prior Sale	Jul 14, 2021 · Amount on Record
Deed Document Number	20223974944
Prior Transfer Date	Jun 14, 2022
Prior Transfer Doc	0003968545
Record Updated	Oct 29, 2026

August 2022: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 3, 2022
Property Address	4205 MARTIN DR, BOULDER, CO 80305-5433
Document Number	0003974944
Instrument Date	Aug 1, 2022
Instrument	3974944
Transaction Type	Transfer
Record Updated	Aug 19, 2022
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$99.30
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4205 MARTIN DR, BOULDER, CO 80305-5433

Mortgage

Document Number	0003974945
Date	Aug 3, 2022
Instrument	3974945

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	4.37%
Adjustable	Adjustable Rate Rider
Type Change Date	Sep 1, 2032
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	6.37%
Index	Other
Max Rate	9.37%

June 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Jun 23, 2022
Property Address	4205 MARTIN DR, BOULDER, CO 80305-5433
Document Number	0003968545
Instrument Date	Feb 11, 2022
Instrument	3968545
Transaction Type	Transfer
Record Updated	Jul 12, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7600 HEMLOCK DR, WEST BLOOMFIELD, MI 48324-2424

July 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 14, 2021
Property Address	4205 MARTIN DR, BOULDER, CO 80305-5433
Document Number	0003899779
Instrument Date	Jul 6, 2021
Instrument	3899779
Transaction Type	Transfer
Record Updated	Jul 28, 2021
Title Company	FIRST AMERICAN

Transaction

Amount	Amount Recorded
Tax	$86.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4205 MARTIN DR, BOULDER, CO 80305-5433

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$55,039 (+0.14%) Land $30,776 Building $24,263	$879,400 (-) Land $522,600 Building $356,800
2025	$5,240.00 (+3.91%)	$54,964 (-11.47%) Land $32,663 Building $22,301	$879,400 (-5.09%) Land $522,600 Building $356,800
2023	$5,043.00 (+13%)	$62,082 (+29.15%) Land $38,083 Building $23,999	$926,600 (+33.97%) Land $568,400 Building $358,200
2022	$4,463.00	$48,070 Land $28,398 Building $19,672	$691,650 Land $408,600 Building $283,050

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.

Flood

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 Record median of 25 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	25 in force
Nearby Flood Claims	16 (1995–2013)
Claims Outside the SFHA	2 of 16
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 claims

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

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	0.03% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 678 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 · DSL in parts of the area	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

May also be available: AT&T.

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